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Texas Sheet Cake

A rich and decadent chocolate cake baked in a sheet pan and topped with a creamy chocolate frosting. Easy to make and perfect for any occasion.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 12 servings
Course: Cake, Dessert
Cuisine: American, Southern
Calories: 350
Ingredients Equipment Method Notes

Ingredients
  

Cake Ingredients
  • 2 cups All-purpose flour
  • 2 cups Granulated sugar
  • 0.75 cups Unsweetened cocoa powder
  • 1.5 teaspoons Baking powder
  • 1.5 teaspoons Baking soda
  • 1 teaspoon Salt
  • 1 cup Buttermilk
  • 0.5 cup Vegetable oil
  • 2 Large eggs
  • 2 teaspoons Vanilla extract
  • 1 cup Boiling water
Frosting Ingredients
  • 1 cup Unsalted butter softened
  • 3 cups Powdered sugar
  • 0.75 cups Unsweetened cocoa powder
  • 0.5 cup Milk
  • 1 teaspoon Vanilla extract

Equipment

  • 15x10 inch baking pan
  • Large mixing bowls
  • Whisk
  • Electric Mixer
  • Wooden Skewer

Method
 

Instructions
  1. Preheat oven to 350°F (175°C). Grease and flour a 15x10 inch baking pan.
  2. In a large bowl, whisk together the flour, sugar, cocoa powder, baking powder, baking soda, and salt.
  3. Add the buttermilk, oil, eggs, and vanilla extract to the dry ingredients. Mix until just combined.
  4. Gradually pour in the boiling water while mixing on low speed. The batter will be thin.
  5. Pour batter into the prepared pan and bake for 25-30 minutes, or until a wooden skewer inserted into the center comes out with moist crumbs.
  6. While the cake is still warm, beat the softened butter in a large bowl until light and fluffy. Gradually add the powdered sugar and cocoa powder, alternating with the milk, beating until smooth and creamy. Stir in the vanilla extract.
  7. Pour the frosting over the warm cake and spread evenly.
  8. Let the cake cool completely before cutting and serving.

Notes

For a richer flavor, use dark cocoa powder. You can also add chocolate chips to the batter. Store leftover cake in an airtight container at room temperature for up to 3 days.