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A slice of Texas Sheet Cake topped with chopped walnuts on a white plate, showing the fudgy icing and moist texture.
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Texas Sheet Cake

This Texas Sheet Cake is rich, fudgy, and absolutely irresistible! With a super moist chocolate cake base and warm pourable chocolate icing, this old-fashioned favorite is perfect for birthdays, holidays, and potlucks. It’s easy to make from scratch and comes together fast with simple ingredients – no boxed mix needed!
Prep Time10 minutes
Cook Time20 minutes
Total Time30 minutes
Course: Dessert
Cuisine: American, Southern
Keyword: birthday cake, chocolate sheet cake, fudgy cake, party dessert, Texas sheet cake
Cooking Method: Oven
Diet: Vegetarian
Servings: 32
Calories: 193kcal
Author: MelanieCooks.com

Equipment

Ingredients

For the Cake

  • 2 cups all-purpose flour
  • 2 cups white sugar
  • 1 tsp baking soda
  • ½ tsp salt
  • ½ cup sour cream
  • 2 eggs
  • 1 cup butter 2 sticks
  • 1 cup water
  • 5 tbsp cocoa powder unsweetened

For the Icing

  • 6 tbsp milk
  • 5 tbsp cocoa powder unsweetened
  • ½ cup butter
  • 4 cup confectioners’ sugar
  • 1 tsp vanilla extract
  • 1 cup chopped walnuts optional

Instructions

  • Set your oven to 350°F. Lightly grease and flour a 10x15-inch jelly roll pan to prevent sticking.
  • In a large mixing bowl, combine the flour, sugar, baking soda, and salt. Add in the sour cream and eggs, then mix until the batter is smooth and well blended.
  • In a small saucepan over low heat, melt the butter. Stir in the water and cocoa powder. Let the mixture come to a gentle boil, then remove from the heat.
  • Allow the chocolate mixture to cool for a minute or two, then pour it into the flour mixture. Stir everything together until no dry streaks remain.
  • Transfer the batter into the prepared pan and spread it out evenly using a silicone spatula.
  • Bake in the preheated oven for around 20 minutes, or until a toothpick poked into the center comes out clean.
  • While the cake is baking, prepare the icing. In another saucepan, combine the milk, cocoa powder, and butter. Bring the mixture to a boil, then take it off the heat.
  • Add the powdered sugar and vanilla to the hot mixture. Stir until smooth and creamy. If you're using walnuts, fold them in at the end.
  • Pour the warm icing over the still-warm cake. Use a spatula to spread it quickly before it sets.
  • Let the cake cool completely, then slice into squares and serve. Enjoy every fudgy bite!

Notes

  • Don’t let the icing cool too much before pouring – it thickens fast!
  • This cake is even better the next day after the flavors settle in.

Nutrition

Calories: 193kcal | Carbohydrates: 36g | Protein: 2g | Fat: 12g | Saturated Fat: 6g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 3g | Trans Fat: 0.3g | Cholesterol: 36mg | Sodium: 146mg | Potassium: 64mg | Fiber: 1g | Sugar: 13g | Vitamin A: 308IU | Vitamin C: 0.1mg | Calcium: 18mg | Iron: 1mg