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Texas Sheet Cake

A rich chocolate cake with a silky frosting, perfect for family gatherings and potlucks.
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Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 24 squares
Course: Cake, Dessert
Cuisine: American
Calories: 350
Ingredients Method Notes

Ingredients
  

For the Cake
  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • 1/2 teaspoon salt
  • 1 teaspoon baking soda
  • 1 cup water
  • 1/2 cup buttermilk Can substitute with regular milk and vinegar.
  • 1/2 cup unsalted butter (1 stick) Melted
  • 1/4 cup unsweetened cocoa powder
  • 2 large eggs At room temperature
  • 1 teaspoon vanilla extract
For the Frosting
  • 1/2 cup unsalted butter (1 stick) Melted
  • 1/4 cup unsweetened cocoa powder
  • 1/3 cup milk
  • 1 teaspoon vanilla extract
  • 3 1/2 to 4 cups powdered sugar Gradually added to achieve desired consistency.
  • 1 cup chopped pecans Optional

Method
 

Preparation
  1. Preheat the oven to 350 degrees Fahrenheit and grease and flour a 13 x 18 inch baking sheet.
  2. In a large bowl, whisk together the flour, sugar, salt, and baking soda.
  3. In a medium saucepan, combine the water, buttermilk, butter, and cocoa powder. Heat over medium until it comes to a gentle boil.
  4. Remove from heat and pour the hot cocoa mixture over the dry ingredients. Stir until smooth.
  5. Add in the eggs and vanilla extract, beating until well combined.
  6. Pour the batter evenly into the prepared baking sheet and bake for 20 to 25 minutes, or until a skewer comes out clean.
Frosting
  1. Melt the remaining butter in a saucepan over medium heat. Stir in cocoa powder and milk, whisking until it comes to a boil.
  2. Remove from heat and stir in vanilla extract. Gradually mix in the powdered sugar until smooth.
  3. Optionally add chopped pecans and mix well.
Assembly
  1. Once the cake is baked, pour the frosting over the warm cake and let it cool completely before slicing.

Notes

Store leftovers in an airtight container in the fridge for 3 to 4 days. This cake can be made ahead of time and even frozen for up to 3 months.