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Pioneer Woman Chocolate Sheet Cake Recipe - Classic Texas Sheet Cake with Fudgy Chocolate Icing

This Pioneer Woman chocolate sheet cake recipe delivers a rich cocoa flavor with fudgy chocolate icing, perfect for feeding a crowd. The cake bakes in a single sheet pan and features an icing poured over warm cake for the perfect texture.
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Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Calories: 450
Ingredients Method Notes

Ingredients
  

Ingredients
  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • 1/4 teaspoon salt
  • 1/2 cup unsweetened cocoa powder
  • 1 cup butter
  • 1 cup water
  • 1/2 cup buttermilk
  • 2 large eggs
  • 1 teaspoon baking soda
  • 1 teaspoon vanilla extract
  • 1/2 cup butter
  • 4 tablespoons unsweetened cocoa powder
  • 6 tablespoons milk
  • 1 teaspoon vanilla extract
  • 3 1/2 cups powdered sugar
  • 1 cup chopped pecans (optional)

Method
 

Instructions
  1. Preheat your oven to 350°F (175°C). Grease and flour a 10x15 inch jelly roll pan or sheet pan.
  2. In a large mixing bowl, whisk together flour, sugar, and salt. Set aside.
  3. In a saucepan over medium heat, combine 1 cup butter, water, and 1/2 cup cocoa powder. Heat until the butter is melted and the mixture comes to a boil.
  4. Pour the hot chocolate mixture over the flour mixture and stir until well combined.
  5. In a separate bowl, mix buttermilk, eggs, baking soda, and vanilla. Add this to the chocolate batter and mix until smooth.
  6. Pour the batter into the prepared pan and bake for 20-25 minutes, or until a toothpick inserted in the center comes out clean.
  7. While the cake is baking, prepare the icing. In a saucepan, combine 1/2 cup butter, cocoa powder, and milk. Bring to a boil, then remove from heat.
  8. Whisk in vanilla extract and powdered sugar until smooth. Stir in pecans if using.
  9. Pour the warm icing over the warm cake as soon as it comes out of the oven. Spread evenly with a spatula.
  10. Allow the cake to cool completely before cutting into squares and serving.

Notes

Use room temperature ingredients for better incorporation. Don't overmix the batter. Pour icing over warm cake for perfect texture. Cake tastes better the next day as flavors meld together.