Cinnamon Roll Casserole: The Easiest, Most Decadent Breakfast or Dessert Ever

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Cinnamon Roll Casserole

Cinnamon Roll Casserole. Just the name conjures up images of warm, gooey, cinnamon-spiced comfort, effortlessly transforming an ordinary morning into an extraordinary experience. Forget the tedious process of rolling out individual doughs and waiting for multiple proofs. This recipe is the ultimate shortcut to pure, baked indulgence, relying on the magic of store-bought refrigerated cinnamon rolls combined with a luscious, creamy custard.

If you need a spectacular brunch centerpiece, a dazzling holiday morning treat, or a simple yet show-stopping dessert for a crowd, this Cinnamon Roll Casserole is your answer. We take pre-made dough, dice it up, bathe it in a rich mixture of melted butter, brown sugar, and spice, and then pour a simple egg and milk custard over the top. The result? A fluffy, sticky, and profoundly satisfying dish where every piece is caramelized on the bottom, tender in the middle, and drenched in that iconic cream cheese glaze. Prepare yourself, because this is about to become your new favorite recipe it’s quick enough for a weekend morning and impressive enough for Christmas brunch. Let’s dive into how to create the most incredible Cinnamon Roll Casserole you have ever tasted.

Why You’ll Love This Cinnamon Roll Casserole Recipe

The culinary landscape is flooded with thousands of recipes, but few offer the perfect trifecta of ease, speed, and unforgettable flavor like this Cinnamon Roll Casserole. This dish isn’t just baking; it’s a strategic move to maximize deliciousness with minimal effort. In fact, if you can open two cans and whisk some ingredients, you’re already 90% of the way to achieving breakfast immortality.

One of the primary reasons this recipe has exploded in popularity is its remarkable simplicity. Traditional cinnamon rolls demand patience, precise measurements of yeast, and careful temperature control. This casserole skips all that fuss. We use large, refrigerated cinnamon rolls specifically the “Grands” style rolls because they provide the necessary volume and structure to hold up against the rich, sweet custard without dissolving into mush. This convenience makes the Cinnamon Roll Casserole an ideal choice for busy parents, novice bakers, or anyone hosting a spontaneous brunch.

Beyond the ease of preparation, the textural component of this casserole is simply mesmerizing. When you bake the cinnamon rolls whole, they often retain a slightly dense center. By cutting the rolls into quarters, you expose maximum surface area to the brown sugar-butter glaze and the soaking custard. This ensures that every single bite delivers a glorious mix: sticky, caramelized edges; a chewy, doughy center; and pockets of soft, set custard. It elevates the experience far beyond what a standard baked cinnamon roll can offer.

Furthermore, this recipe is designed to be highly forgiving. Did you mix the custard too quickly? No problem. Did you slightly over-bake it? The edges will just be crispier and more caramelized. This resiliency makes it the perfect stress-free meal addition. It’s also incredibly versatile. While it’s renowned as a breakfast item, served alongside a savory protein like sausage or bacon, the sheer decadence of the glaze and the richness of the dough make it an absolute winner as a dessert. Imagine serving this warm, topped with a scoop of vanilla bean ice cream it’s pure heaven. For those who love comforting holiday flavors, this casserole hits all the right notes, much like a good batch of Easy Crock Pot Sweet Potato Casserole, offering that warm, spice-filled hug we crave.

The Undeniable Appeal of This Easy Dessert

When seeking high-impact recipes that require minimal time investment, the Cinnamon Roll Casserole is unmatched. Its versatility ensures it fits seamlessly into almost any meal plan. For example, during the hectic holiday season, when oven space is premium, preparing this casserole offers a rapid turnaround time. Unlike complex layer cakes or finicky pastries, this dish is reliably perfect every time, providing consistent results that guarantee rave reviews from your guests.

The core genius of this recipe lies in the simple, yet effective, additions that enhance the flavor profile of the store-bought dough. We don’t just dump the rolls into a dish; we create a powerful secondary flavor mixture: the melted butter, brown sugar, and extra cinnamon coating. This blend melts during baking, creating a truly irresistible, sticky caramel sauce that pools around the dough pieces. This deepens the cinnamon flavor exponentially, moving the taste far beyond the simple sugar notes of the original canned rolls.

Moreover, the custard acts as a crucial binding agent. While the rolls bake, the custard sets, holding the cut pieces together just enough so that you get a cohesive, scoopable dessert, rather than just loose chunks of baked dough. This structure is what truly elevates it into a casserole format. It allows for beautiful presentation and easy serving, whether you are hosting a formal brunch or simply enjoying a lazy Saturday morning with family.

This recipe is also a beautiful blank canvas for customization, a characteristic that professional chefs and home cooks alike appreciate. Are you serving it in the fall? A sprinkle of nutmeg and a dollop of pumpkin puree in the custard can transform it into a seasonal sensation. Planning a winter treat? Add a splash of orange zest or a few chopped pecans for a festive twist. This adaptability ensures that the Cinnamon Roll Casserole never gets boring and can be tailored to seasonal cravings or specific dietary needs (with simple modifications, which we will detail later).

Finally, there’s the crowning glory: the icing. Utilizing the cream cheese icing provided in the cans saves time and perfectly complements the warm casserole. Drizzling that sweet, slightly tangy glaze over the hot, gooey dough ensures maximum melt and absorption, creating an unparalleled level of moistness and flavor in the finished product. This is why the Cinnamon Roll Casserole transcends being just a simple comfort food it’s a celebration of convenience meeting exceptional taste, ensuring a satisfying outcome every single time you bake it. If you enjoy simple, stunning bakes, you might also enjoy making Cranberry Bliss Bars for another easy crowd-pleaser.

Ingredients and Essential Tools for the Perfect Cinnamon Roll Casserole

Achieving the perfect Cinnamon Roll Casserole requires high-quality ingredients and the right culinary tools. Since this recipe relies on transforming pre-made dough, the quality of the pantry staples we add is paramount to developing a deep, rich flavor profile. We need ingredients that will create the sticky caramel layer and the creamy custard that binds everything together.

The Essential Ingredients for Decadence

The ingredient list for this delightful casserole is short, sweet, and highly accessible, meaning you can often pull this dish together using items you already have stocked in your pantry and refrigerator.

  • 2 (12.4 ounce) cans refrigerated cinnamon rolls (such as Pillsbury Grands!, 8 rolls per can): The foundation of our casserole. We specifically recommend the larger “Grands” style rolls because they are thicker, which helps them retain structure and volume when cut and submerged in the custard. Ensure they are cold when cutting for the cleanest slices.
  • 4 large eggs: These form the base of the custard. Eggs are essential for binding the ingredients and ensuring the final dish sets up correctly, preventing a soupy center. They add richness and protein to balance the sweetness.
  • ½ cup whole milk or half-and-half: The liquid component of the custard. We recommend whole milk or, ideally, half-and-half (creamier) because the higher fat content yields a richer, more luxurious final texture that absorbs beautifully into the dough. If using skim milk, the custard may be slightly less velvety.
  • ½ cup packed light brown sugar: This is critical for the caramelization layer. Brown sugar, unlike white sugar, contains molasses, which provides moisture and a deeper, butterscotch-like flavor. Be sure to pack it tightly when measuring.
  • 4 tablespoons unsalted butter, melted: The carrier for the brown sugar and cinnamon. Melting the butter allows it to coat every single piece of the cut dough, initiating the sticky, caramelized crust we are looking for. Using unsalted butter gives you control over the final salt content.
  • 1 teaspoon vanilla extract: A non-negotiable flavor enhancer. Vanilla boosts the aroma and depth of all the other sweet ingredients. Use pure vanilla extract for the best flavor payoff.
  • 1 teaspoon ground cinnamon: While the rolls already contain cinnamon, adding extra ground cinnamon to the butter/brown sugar mixture intensifies that warm, spice note. This is key to differentiating the casserole from a standard, canned cinnamon roll.
  • Pinch of salt: A tiny bit of salt is crucial for balancing the intense sweetness from the sugar and icing, preventing the dish from tasting flat.
  • The 2 containers of icing included with the cinnamon rolls: The crowning glory! Using the included icing ensures the perfect ratio of sweet, tangy cream cheese glaze that melts beautifully over the warm casserole.

Having the right tools prepared before you start ensures a seamless cooking process, turning this simple recipe into an even quicker endeavor.

  • 9×13 Inch Baking Dish: This standard casserole size is ideal. Its generous surface area allows the dough pieces to spread out slightly, ensuring even baking and better caramelization on the edges. Ensure it is glass or ceramic for best heat retention.
  • Sharp Knife and Cutting Board: Essential for cleanly cutting the refrigerated cinnamon rolls into quarters. A sharp knife minimizes dough squishing.
  • Very Large Mixing Bowl: You will need a significant amount of space to toss the cut rolls with the butter mixture, and then again to coat them evenly with the custard. Using a bowl that seems slightly too big is better than using one that’s too small.
  • Medium Mixing Bowl (for Custard): Used for whisking the eggs, milk, and vanilla.
  • Small Microwave-Safe Bowl: Needed for melting the butter quickly.
  • Whisk: Necessary for thoroughly blending the eggs and milk into a smooth, frothy custard.
  • Rubber Spatula or Spoon: Crucial for gently tossing the cinnamon roll pieces without tearing them, ensuring they are perfectly coated in both the butter mixture and the custard.
  • Measuring Cups and Spoons: For precise measurement of sugar, milk, and spices. Accuracy here ensures the custard sets correctly.

Remember, preparation is key! Having these tools and ingredients ready ensures the assembly of your Cinnamon Roll Casserole takes less than 15 minutes, paving the way for a stress-free baking experience. Furthermore, focusing on the quality of ingredients, like ensuring your brown sugar is fresh and soft, can significantly impact the final texture and stickiness of the baked dish. By using the high-quality Grands rolls, which possess superior flavor compared to lesser brands, you guarantee a fluffier, more tender result. This attention to detail in the preparation phase is what separates a good casserole from an absolutely unforgettable one.

Detailed Preparation: Step-by-Step Instructions for a Perfect Cinnamon Roll Casserole

Following these steps precisely ensures that your Cinnamon Roll Casserole achieves the perfect balance of gooey, crispy, and creamy textures. Pay special attention to the mixing techniques to keep the dough intact and evenly coated.

1. Preparation and Preheating

Begin by setting your oven to 375°F (190°C). While the oven preheats, turn your attention to the baking vessel. Generously grease a 9×13 inch baking dish. This step is non-negotiable, as the brown sugar and butter mixture will caramelize heavily, and without proper greasing, you risk a sticky, burnt mess. Use non-stick cooking spray or soft butter applied liberally across the bottom and up the sides.

2. Cutting the Cinnamon Rolls: The Foundation of the Casserole

Open both cans of refrigerated cinnamon rolls. Crucially, set the two small containers of icing aside immediately; they are reserved for the end. Place the rolls on a clean cutting board. Using a sharp kitchen knife (a serrated knife works well here), cut each large cinnamon roll into four evenly sized pieces, or quarters. You should have 32 dough pieces in total. Uniformity is important here to ensure even baking. Place all the cut pieces into your very large mixing bowl. The dough should be cold when you do this, which helps maintain its shape.

3. Preparing the Flavor Mixture: The Caramel Coating

In a small, microwave-safe bowl, melt the 4 tablespoons of unsalted butter (this usually takes about 30 seconds). Once fully liquid, stir the ½ cup of packed light brown sugar and the 1 teaspoon of ground cinnamon into the melted butter until it forms a thick, smooth paste or liquid. Immediately pour this rich mixture over the cut cinnamon roll pieces in the large mixing bowl. Use a rubber spatula to gently toss the roll pieces. The goal here is not vigorous mixing, but folding and gentle turning. Ensure that every cinnamon roll piece is coated evenly with the brown sugar and butter mixture. This coating is what creates the sticky, caramelized edges during baking.

4. Creating the Custard: The Binding Agent

In a separate medium-sized bowl, prepare the custard. Whisk together the 4 large eggs, the ½ cup of whole milk or half-and-half, the 1 teaspoon of vanilla extract, and the small pinch of salt. Whisk thoroughly until the mixture is fully blended and slightly frothy. You want a homogenous liquid custard, free of any streaks of egg yolk, as this ensures even setting in the oven. The richness of the half-and-half truly contributes to the final, creamy texture of the Cinnamon Roll Casserole.

5. Assembling the Casserole: Final Soaking

Pour the prepared egg and milk custard mixture directly over the cinnamon roll pieces that are already coated in the butter mixture. Use your spatula again to gently fold and turn the ingredients together one last time. This ensures the custard liquid reaches all the pieces, especially those at the bottom of the bowl. Do not overmix; gentle folding is key to prevent breaking up the dough pieces.

Transfer the entire, custard-soaked mixture into the generously prepared 9×13 inch baking dish. Spread the pieces out evenly across the bottom of the dish. They will overlap slightly, but try to avoid stacking them too high in one area, as this will lead to uneven baking. The custard will settle around the dough quickly. This preparation is very similar in technique to creating a great bread pudding, where the soaking time is vital. For even more comfort food ideas, check out our guide on Sourdough Cinnamon Buns.

6. Baking the Casserole: Achieving Perfection

Carefully place the baking dish into the preheated 375°F (190°C) oven. Bake for approximately 25 to 30 minutes. Start checking for doneness around the 25-minute mark. The Cinnamon Roll Casserole is finished baking when the edges are visibly golden brown and bubbling, and the custard in the center is fully set meaning a gentle jiggle test reveals no liquid movement. If the top seems to be browning too quickly before the center is cooked, you can loosely tent the dish with aluminum foil for the last 5 to 10 minutes.

7. Glazing and Serving: The Grand Finale

Remove the completed casserole from the oven. Allow it to rest and cool for about 5 minutes. This resting time is important as it allows the internal temperature to drop slightly, preventing the glaze from completely evaporating.

Open both containers of the reserved icing. If the icing seems very stiff (which often happens with canned icing), whisk in a tiny amount of milk (about ½ teaspoon per container) to loosen it up slightly for better drizzling consistency. Drizzle the entire amount of icing evenly over the warm Cinnamon Roll Casserole. The residual heat will cause the icing to melt slightly, sinking into the crevices and creating a luscious, irresistible glaze. Serve the Cinnamon Roll Casserole immediately while it is still warm and gooey for the ultimate indulgence.

Tips, Tricks, and Delicious Variations

While the base recipe for this Cinnamon Roll Casserole is foolproof and delicious, there are numerous ways to elevate it, adjust it for different preferences, or simply tailor it to the ingredients you have on hand. Mastering these variations ensures you can serve this dish countless times without repetition.

Ingredient Alternatives and Flavor Boosts

The beauty of the Cinnamon Roll Casserole lies in its adaptability. Here are some ways to change up the flavor profile:

  • Nutty Crunch: Before baking, sprinkle the top of the casserole with chopped pecans or walnuts. The nuts will toast beautifully in the oven, adding a delightful crunch that contrasts perfectly with the soft dough.
  • Fruity Flair: Toss in 1 cup of fresh or frozen berries (blueberries or raspberries work best) along with the cut cinnamon roll pieces before adding the custard. The berries burst during baking, adding a slightly tart, fruity counterpoint to the sweetness.
  • Seasonal Spices: For a fall twist, substitute ½ teaspoon of the ground cinnamon with â…› teaspoon each of ground nutmeg and ground cloves. For a winter holiday feel, add a teaspoon of orange zest to the custard mixture.
  • Praline Topping: Instead of relying solely on the included icing, create a praline topping. Combine ½ cup melted butter, 1 cup brown sugar, and 1 cup chopped pecans. Spread this mixture into the bottom of the greased pan before adding the dough/custard mixture. The result is an intensely caramelized, upside-down Cinnamon Roll Casserole.
  • Dairy Alternatives: If you need a dairy-free custard, substitute the whole milk or half-and-half with a rich non-dairy milk like full-fat oat milk or cashew milk. Be aware that the texture may be slightly less creamy, but the casserole will still set.

Advice to Avoid Common Mistakes

Even though this recipe is easy, a few simple pitfalls can spoil the perfect outcome. Heed these tips for guaranteed success:

  1. Do Not Use Small Rolls: Stick to the “Grands” style or similar large, thick refrigerated rolls. Smaller varieties tend to disintegrate too easily when soaked in the custard, leading to a mushy rather than doughy texture.
  2. Grease, Grease, Grease: As emphasized in the instructions, the brown sugar caramelizes rapidly and sticks fiercely to the pan. If you skip or skimp on greasing, you will spend twice as long scrubbing the dish as you did preparing the food.
  3. Gentle Mixing Only: When folding in the butter mixture and the custard, use a light hand. Over-mixing will cause the layers of the cinnamon roll dough to separate, leading to a less defined, looser final product.
  4. Check for Doneness Properly: Since the casserole is covered in icing, you must ensure the custard underneath is fully set. If you are uncertain, insert a sharp knife or cake tester into the center. If it comes out sticky but not wet, it is done. If liquid custard drips off, return it to the oven for 3-5 minutes.
  5. Warming the Icing: Never skip warming or slightly thinning the icing. Applying stiff, cold icing to a hot casserole prevents it from melting and soaking in, leaving a thick, crusty layer on top instead of a smooth, glossy glaze.

Vegan and Gluten-Free Modifications

Adapting the Cinnamon Roll Casserole for dietary restrictions is achievable, although it requires sourcing specific products:

  • Gluten-Free Version: Replace the standard canned cinnamon rolls with a gluten-free refrigerated dough product (Pillsbury often offers a GF version, or check specialty stores). Ensure all other ingredients (like extracts) are certified GF.
  • Vegan Version: This requires three main substitutions.
    1. Use vegan refrigerated cinnamon rolls (many brands now offer this).
    2. Substitute the butter with a high-quality vegan butter stick.
    3. Replace the eggs with a commercial egg replacer, or use a combination of 4 tablespoons of chia/flaxseed meal mixed with 12 tablespoons of water (let stand for 5 minutes) for binding. The texture will be slightly denser, but the flavor remains superb.

Whether you choose to keep it classic or experiment with nuts and fruits, this Cinnamon Roll Casserole recipe is robust enough to handle your favorite additions, guaranteeing a delicious and impressive dish every time.

Nutritional Insights and Comfort Food Facts

The Cinnamon Roll Casserole is, by nature, an indulgent treat a dessert for breakfast, or a rich finale to any meal. Understanding its components allows us to appreciate it fully as a comfort food item meant for special occasions or when a craving for sweetness simply must be satisfied.

A Breakdown of the Major Components

When analyzing the nutritional content of the Cinnamon Roll Casserole, it’s important to remember that it is composed primarily of refined carbohydrates, fats, and sugars. Because the recipe uses two large cans of pre-made cinnamon rolls (often yielding 16 servings total), the calculated values below are estimates based on a typical serving size, assuming 1/16th of the dish.

Estimated Nutritional Values Per Serving (1/16th of the Casserole, Approximate):

  • Calories: 350 – 450 kcal (Highly dependent on the specific brand of rolls and amount of icing used.)
  • Total Fat: 15g – 20g (The majority coming from the butter, half-and-half, and the dough itself.)
  • Saturated Fat: 7g – 10g
  • Cholesterol: 50mg – 65mg (Primarily from the eggs and dairy.)
  • Sodium: 250mg – 350mg (The refrigerated dough is a significant contributor to the sodium content.)
  • Total Carbohydrates: 50g – 65g (High content due to white flour, brown sugar, and icing.)
  • Dietary Fiber: 1g
  • Total Sugars: 30g – 45g (A concentrated source of simple sugars.)
  • Protein: 5g – 7g (Provided by the eggs and milk, which helps the dish feel satiating.)

The Benefits of Indulgence and Key Ingredients

While this casserole isn’t classified as a health food, its role as a comforting and uplifting meal should not be underestimated. Comfort foods play an important psychological role, often linked to positive memories and social gatherings, particularly during the holidays or special weekend breakfasts. Furthermore, some core ingredients contribute essential nutrients:

  • Eggs: The four large eggs in the custard are excellent sources of high-quality protein, which aids in satiety. They also contribute essential vitamins like Vitamin D and choline, important for brain health.
  • Dairy (Milk/Half-and-Half): This provides calcium and Vitamin D, vital for bone health. Using whole milk or half-and-half also increases the healthy fat content, ensuring the custard feels rich and satisfying.
  • Cinnamon: Beyond the flavor, ground cinnamon is known for its antioxidant properties. While the amount used in a single serving is small, the spice contributes warmth and depth without adding significant calories.
  • Carbohydrates: As a high-carbohydrate dish, the Cinnamon Roll Casserole is an excellent source of quick energy, making it perfect for a morning boost before a busy day of activities or holiday preparations.

The key to enjoying this delicious Cinnamon Roll Casserole is moderation. It is best treated as a celebratory dish rather than a daily breakfast staple. When paired with fresh fruit and a low-fat protein, it can form part of a balanced weekend brunch, offering that perfect moment of gooey, buttery happiness we all deserve from time to time.

FAQs about Cinnamon Roll Casserole

Can I prepare Cinnamon Roll Casserole the night before?

Absolutely! This is a huge benefit of the Cinnamon Roll Casserole. You can complete all steps up to baking (assembling the casserole in the dish). Cover the dish tightly with plastic wrap and refrigerate overnight. In the morning, remove it from the fridge while the oven preheats, and then bake as directed, though you may need an extra 5-10 minutes of bake time since it starts cold.

How do I store leftover Cinnamon Roll Casserole?

Store any leftovers in an airtight container in the refrigerator for up to 3 to 4 days. To reheat, you can use the microwave for quick individual servings, or cover the casserole dish with foil and reheat it in a 350°F (175°C) oven for about 10-15 minutes until warmed through.

What is the best way to cut the cinnamon rolls for the casserole?

The optimal method is cutting each large roll into four equal pieces (quarters). Using a sharp knife on cold dough helps maintain the integrity of the dough layers. Cutting them into uniform pieces ensures that the custard and caramel coating can penetrate evenly, leading to uniform cooking and texture.

Can I use different types of sugar instead of brown sugar?

While you technically can use granulated white sugar, brown sugar is highly recommended. Brown sugar contains molasses, which is essential for creating the deep, sticky, and moist caramel layer at the bottom of the casserole. White sugar will result in a crisper, but less rich, base.

Why did my casserole turn out mushy in the center?

Mushiness usually occurs if the custard mixture was not fully set. This can happen if the oven temperature was too low, the baking time was too short, or if you used smaller cinnamon rolls that dissolved easily. Ensure you bake until the center is stable and passes the jiggle test before removing it from the oven.

Conclusion: Your New Favorite Cinnamon Roll Casserole

The Cinnamon Roll Casserole truly represents the best of comfort food: easy to make, deeply satisfying, and guaranteed to elicit smiles from everyone who takes a bite. We’ve taken the familiar, comforting flavor of a classic cinnamon roll and amplified it through the rich addition of a brown sugar-cinnamon caramel coating and a creamy, binding custard.

This recipe’s simplicity makes it a culinary superhero, rescuing rushed holiday mornings and providing a flawless, decadent dessert option with minimal fuss. From the crucial tip of cutting the rolls into quarters to ensure maximum surface area for caramelization, to the importance of using high-fat dairy in the custard for supreme creaminess, every step outlined here is designed for optimal flavor and texture.

Whether you choose to incorporate crunchy nuts, tart berries, or enjoy it in its classic, gooey glory, this Cinnamon Roll Casserole promises an experience far richer than simply heating up canned rolls. It is a true casserole experience a cohesive, moist, and utterly irresistible dish that serves a crowd beautifully. We encourage you to pull out your 9×13 inch pan this weekend and try this recipe. Share the warmth and incredible aroma with your loved ones, and prepare for it to become a regular fixture in your baking rotation.

Did you love this quick and easy recipe? We are always sharing delicious, time-saving meals and desserts! Be sure to follow us and see all the baking inspiration we offer on our social channels, like our dedicated Pinterest page. If you try the Cinnamon Roll Casserole, let us know how it turned out in the comments below!

Easy Cinnamon Roll Casserole with Brown Sugar Custard

This incredibly simple breakfast bake transforms refrigerated cinnamon rolls into a gooey, pull-apart casserole baked in a rich brown sugar custard and finished with sweet vanilla icing. Perfect for holiday mornings!
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 8 servings
Course: Breakfast, Brunch, Dessert
Cuisine: American, Southern
Calories: 480

Ingredients
  

Cinnamon Rolls and Icing
  • 2 (12.4 ounce) cans Refrigerated Cinnamon Rolls (8 rolls per can)
  • 2 containers Icing Reserved from the cinnamon roll cans
Custard Base
  • 4 Large eggs
  • 1/2 cup Whole milk or half-and-half
  • 1 teaspoon Vanilla extract
  • 1 pinch Salt
Filling and Flavor
  • 1/2 cup Packed light brown sugar
  • 4 tablespoons Unsalted butter Melted
  • 1 teaspoon Ground cinnamon

Equipment

  • 9x13 inch baking dish
  • Large Mixing Bowl
  • Whisk

Method
 

Preparation and Cutting
  1. Preheat your oven to 375°F (190°C). Generously grease a 9x13 inch baking dish with butter or non-stick cooking spray.
  2. Open the cans of cinnamon rolls, setting aside the two containers of icing. Place the rolls onto a clean cutting board. Use a sharp knife to cut each cinnamon roll into four evenly sized pieces (quarters). Place all the cut pieces into a very large mixing bowl.
Flavor and Assembly
  1. In a small, microwave-safe bowl, melt the 4 tablespoons of butter. Stir in the ½ cup of light brown sugar and 1 teaspoon of ground cinnamon until well combined. Pour this mixture over the cut cinnamon roll pieces in the large mixing bowl. Toss gently using a rubber spatula until the roll pieces are evenly coated.
  2. In a separate medium-sized bowl, whisk together the 4 large eggs, ½ cup of whole milk or half-and-half, 1 teaspoon of vanilla extract, and a small pinch of salt until the mixture is fully blended and slightly frothy.
  3. Pour the egg and milk custard mixture over the cinnamon roll pieces. Fold the ingredients together gently once more to ensure all the roll pieces are thoroughly coated in the liquid. Transfer the entire mixture into the prepared 9x13 inch baking dish, spreading the pieces out evenly.
Baking and Glazing
  1. Bake for 25 to 30 minutes. The casserole is done when the edges are golden brown and bubbling, and the custard is set (no longer liquid in the center).
  2. Remove the casserole from the oven and let it cool for about 5 minutes. Open both containers of reserved icing. If the icing seems too thick, you may whisk in a tiny amount (about ½ teaspoon) of milk to loosen it. Drizzle the entire amount of icing generously and evenly over the warm casserole.
  3. Serve the Cinnamon Roll Casserole immediately while warm.

Notes

For a richer flavor, you can let the casserole sit for 15 minutes before baking to allow the dough to absorb more of the custard. If you prefer a richer flavor, swap the whole milk for heavy cream. You can also sprinkle chopped pecans or walnuts over the top before baking.

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