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Classic Chocolate Sheet Cake

Classic Chocolate Sheet Cake prepared dish

This classic chocolate sheet cake is a rich and moist dessert that is perfect for any occasion. Topped with a luscious chocolate frosting, it is sure to satisfy any chocolate lover's cravings. Enjoy this delightful cake at parties, gatherings, or as a sweet treat after dinner!

This recipe is dessert, scaled for 8 servings, with 20 min prep and 30 min cook.

Prep: 20 min · Cook: 30 min · Total: 50 min · Serves: 8

Quick cooking notes

  • Core ingredients include salt, granulated sugar, unsalted butter, whole milk.
  • Follow all 9 steps in order for the intended texture and doneness.
  • Ingredient quantities listed below are for 8 servings.

Ingredients

  • 1 tsp salt
  • 2 cups granulated sugar
  • 1 cup unsalted butter (softened)
  • 1 cup whole milk
  • 0.5 cups unsweetened cocoa powder (for frosting)
  • 2 tsp vanilla extract
  • 2 cups all-purpose flour
  • 1 cup vegetable oil
  • 3 cups powdered sugar
  • 1 tbsp baking soda
  • 1 tsp baking powder
  • 0.5 cups milk (for frosting)
  • 3 tbsp unsweetened cocoa powder
  • 1 cup boiling water
  • 2 large eggs

Instructions

  1. Preheat your oven to 350°F (175°C) and grease a 13x18 inch sheet pan.
  2. In a large mixing bowl, combine the flour, granulated sugar, cocoa powder, baking soda, baking powder, and salt.
  3. Add the eggs, milk, vegetable oil, and vanilla extract to the dry ingredients and mix until well combined.
  4. Carefully stir in the boiling water until the batter is smooth and well incorporated.
  5. Pour the batter into the prepared sheet pan and bake for 30 minutes or until a toothpick inserted in the center comes out clean.
  6. While the cake is baking, prepare the frosting by beating the softened butter in a mixing bowl until creamy.
  7. Gradually add the powdered sugar and cocoa powder, alternating with the milk, until the frosting reaches your desired consistency.
  8. Once the cake has cooled, spread the chocolate frosting evenly over the top.
  9. Slice into squares and serve.

Nutrition (per serving)

  • Calories: 400
  • Protein: 5 g
  • Fat: 18 g
  • Carbohydrates: 60 g
  • Fiber: 2 g
  • Sugar: 35 g
  • Sodium: 350 mg

Nutrition values are estimates based on stored ingredient totals and serving size.

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