The classic chocolate sheet cake with a cooked chocolate frosting

Chocolate Texas Sheet Cake

Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes
Servings: 20 servings
My mom's chocolate Texas sheet cake is probably the classic chocolate sheet cake recipe you grew up with, but in case you lost it, here it is along with a cooked chocolate frosting!


Chocolate Cake

  • 2 Cups of Flour
  • 2 Cups of Sugar
  • 1/2 Cup of Margarine
  • 1/2 Cup Shortening
  • 4 Tablespoons of Cocoa
  • 1 Cup of Water
  • 1/2 Cup of Buttermilk Or 1/2 Cup of milk and 1 tablespoon of vinegar
  • 2 Eggs slightly beaten
  • 1 Teaspoon Baking Soda
  • 1 Teaspoon Cinnamon
  • 1 Teaspoon Vanilla
  • 1 Pinch of salt

Warm Chocolate Frosting

  • 1/2 Cup of Margarine
  • 4 Tablespoons of Cocoa
  • 6 Tablespoons of Milk
  • 1-1 lb Bag of Powdered Sugar
  • 1 Teaspoon of vanilla
  • 12 x18" jelly roll pan


For the Cake

  • Heat oven to 400 degrees.
  • In the bowl of a kitchenaid, mix the flour and sugar.
  • Place the margarine, shortening, cocoa and water in a saucepan over medium heat and bring it to a light boil.
  • In a separate bowl, combine the buttermilk, eggs, soda, cinnamon, vanilla and salt whisk until smooth.
  • Take the cocoa mixture and pour it over the flour mixture and mix until smooth.
  • Add the buttermilk mixture and mix again until smooth.
  • Lightly spray a cookie sheet (12x18") with cooking oil (Pam).
  • Pour the mixture in the pan and bake for 20 minutes.

Warm Chocolate Frosting

  • Add the margarine, cocoa and milk to a saucepan over medium heat until it reaches a soft boil.
  • Add the powdered sugar and vanilla and whisk until smooth.
  • Spread onto the cake while both the frosting and the cake are still warm.
  • Enjoy!


*Make sure that you frost the cake while it is still warm with the warm frosting.
Nutrition Facts
Chocolate Texas Sheet Cake
Amount Per Serving (1 g)
Calories 185 Calories from Fat 72
% Daily Value*
Fat 8g12%
Saturated Fat 2g13%
Trans Fat 1g
Polyunsaturated Fat 5g
Cholesterol 11mg4%
Sodium 52mg2%
Carbohydrates 28g9%
Sugar 22g24%
Protein 2g4%
* Percent Daily Values are based on a 2000 calorie diet.