A moist, tender vanilla sheet cake topped with fudgy chocolate frosting. Perfect for birthdays, potlucks, or any gathering.
20 min prep
25 min cook
24 servings
280 kcal/serving
Ingredients
2 cups all-purpose flour
2 cups granulated sugar
1 teaspoon baking soda
1 teaspoon salt
1 cup unsalted butter
1 cup water
1/4 cup unsweetened cocoa powder
1/2 cup buttermilk
2 large eggs
1 teaspoon vanilla extract
1/2 cup unsalted butter
1/4 cup unsweetened cocoa powder
1/3 cup milk
3 cups powdered sugar
1 teaspoon vanilla extract
Instructions
Preheat oven to 350°F (175°C). Grease a 13x18-inch sheet pan.
In a large bowl, whisk together flour, sugar, baking soda, and salt.
In a saucepan, combine 1 cup butter, water, and 1/4 cup cocoa powder. Bring to a boil, stirring constantly. Remove from heat and pour over flour mixture; stir until combined.
In a small bowl, whisk buttermilk, eggs, and 1 teaspoon vanilla. Add to batter and mix well.
Pour batter into prepared pan and spread evenly. Bake for 20-25 minutes or until a toothpick inserted in center comes out clean. Cool completely.
For frosting: In a saucepan, melt 1/2 cup butter with 1/4 cup cocoa powder. Stir in milk and bring to a boil. Remove from heat and whisk in powdered sugar and 1 teaspoon vanilla until smooth.
Pour warm frosting over cooled cake and spread evenly. Let set before cutting.
Tips
For a lighter frosting, let it cool slightly before spreading.
Store covered at room temperature for up to 3 days.