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+ servings
a slice of chocolate sheet cake

Chocolate Sheet Cake

Course Dessert
A super moist chocolate cake with a creamy chocolate frosting. This easy cake recipe is chocolate decadence at its best.
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Servings 24 slices

Ingredients

For the cake

  • 2 1/4 cup all purpose flour
  • 1 3/4 cup sugar
  • 1/2 tsp salt
  • 1/4 cup unsweetened natural cocoa powder not Dutch process cocoa powder
  • 3/4 cup unsalted butter
  • 2/3 cup water
  • 1/2 cup milk
  • 2 large eggs
  • 1 tsp baking soda
  • 2 tsp vanilla extract

For the Frosting

  • 1/3 cup milk
  • 1/4 cup unsweetened cocoa powder
  • 1/2 cup unsalted butter
  • 4 cups powdered sugar
  • 2 tsp vanilla extract
  • 3/4 cup chopped pecans or walnuts optional for topping

Instructions

  • Preheat the oven to 350 degrees.
  • In a large bowl, combine the flour, sugar and salt, set aside.
  • In a medium saucepan, melt the butter with the unsweetened cocoa powder, and water. Stir over medium heat until the mixture begins to boil.
    Remove the saucepan from the stove top, and pour into the large bowl with the flour mixture.
    Stir together until all of the ingredients are well combined and it resembles chocolate dough.
  • Allow the mixture to sit for 1-2 minutes to cool. Stir in the milk, eggs, baking soda and vanilla, combining all ingredients together in the one bowl.
  • Pour the batter into a lightly sprayed sheet pan. Use a rubber spatula or wooden spoon to evenly distribute the batter into the pan. Lightly tap the pan once or twice on the counter to eliminate any bubbles in the batter.
  • Place in the preheated oven, center rack and bake for about 15-18 minutes, until cake springs back to the touch.
    Remove the cake from the oven and allow it to cool. While it is cooling, prepare the frosting.

Frosting Instructions

  • In a small or medium saucepan, melt the butter with the milk and cocoa powder, stirring until the mixture is smooth and creamy. Remove from the stove top and transfer to a large mixing bowl, or stand mixer. Add in the powdered sugar and vanilla. Beat the ingredients together until it is smooth and creamy. Frost the entire top of the cake.
    Optional: Add nuts by sprinkling on top of the cake after it is frosted.

Notes

Note: This recipe was tested in an 11.5 x 17.25 inch sheet pan.

Nutrition

Calories: 278kcal | Carbohydrates: 45g | Protein: 2g | Fat: 11g | Saturated Fat: 7g | Trans Fat: 1g | Cholesterol: 40mg | Sodium: 106mg | Potassium: 61mg | Fiber: 1g | Sugar: 35g | Vitamin A: 329IU | Calcium: 19mg | Iron: 1mg
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