Name: Dark Chocolate Sheet Cake with Dark Chocolate Frosting
Prep time: 30 min
Cook time: 30 min
Yield: 24
Ingredients: All-purpose flour - 1 ¾ cups; Dark cocoa powder (such as Hershey's® Special Dark) - 1 cup; Baking soda - 2 teaspoons; Salt - ½ teaspoon; Firmly packed dark brown sugar - 1 cup; White sugar - ½ cup; Unsalted butter, softened - ½ cup; Eggs, at room temperature - 2 large; Vanilla extract - 2 teaspoons; Strong brewed coffee, at room temperature - 1 cup; Buttermilk, at room temperature - 1 cup; Unsalted butter, softened - 1 cup; Dark cocoa powder (such as Hershey's® Special Dark), sifted - ¾ cup; Instant espresso powder - 1 teaspoon; Salt - ⅛ teaspoon; Vanilla extract - 2 teaspoons; Powdered sugar, or to taste - 3 cups; Heavy whipping cream, or as needed - 7 tablespoons

Ingredients for - Dark Chocolate Sheet Cake with Dark Chocolate Frosting

1. All-purpose flour 1 ¾ cups

2. Dark cocoa powder (such as Hershey's® Special Dark) 1 cup

3. Baking soda 2 teaspoons

4. Salt ½ teaspoon

5. Firmly packed dark brown sugar 1 cup

6. White sugar ½ cup

7. Unsalted butter, softened ½ cup

8. Eggs, at room temperature 2 large

9. Vanilla extract 2 teaspoons

10. Strong brewed coffee, at room temperature 1 cup

11. Buttermilk, at room temperature 1 cup

12. Unsalted butter, softened 1 cup

13. Dark cocoa powder (such as Hershey's® Special Dark), sifted ¾ cup

14. Instant espresso powder 1 teaspoon

15. Salt ⅛ teaspoon

16. Vanilla extract 2 teaspoons

17. Powdered sugar, or to taste 3 cups

18. Heavy whipping cream, or as needed 7 tablespoons

How to cook deliciously - Dark Chocolate Sheet Cake with Dark Chocolate Frosting

1 . Stage

Gather all ingredients. Dotdash Meredith Food Studios

2 . Stage

Preheat the oven to 350 degrees F (175 degrees C). Grease a 10x15-inch rimmed baking sheet and line the bottom of the pan with parchment paper.

3 . Stage

Whisk flour, cocoa powder, baking soda, and salt together in a bowl until thoroughly combined. Set aside. Dotdash Meredith Food Studios

4 . Stage

Beat brown sugar, white sugar, and butter together in a large bowl with an electric mixer until light and fluffy. Beat in eggs one at a time, mixing well after each addition. Dotdash Meredith Food Studios

5 . Stage

Mix in vanilla extract. Dotdash Meredith Food Studios

6 . Stage

Add in 1/3 of the flour mixture, and mix until just combined. Dotdash Meredith Food Studios

7 . Stage

Add in 1/2 of the coffee and buttermilk, and mix until just combined. Dotdash Meredith Food Studios

8 . Stage

Continue alternating additions of the flour mixture with coffee and buttermilk, mixing just until combined. Dotdash Meredith Food Studios

9 . Stage

Pour batter into the prepared pan; smooth into an even layer. Tap pan firmly on the counter several times to remove air bubbles. Dotdash Meredith Food Studios

10 . Stage

Bake in the preheated oven until a toothpick inserted into the center of the cake comes out with a few moist crumbs, about 25 minutes. Do not overbake. Place cake on a wire rack and allow to cool completely. Dotdash Meredith Food Studios

11 . Stage

Meanwhile, make the frosting. Beat butter in a large bowl until completely smooth. Dotdash Meredith Food Studios

12 . Stage

Mix in cocoa powder, espresso powder, and salt until throughly combined. Mix in vanilla. Dotdash Meredith Food Studios

13 . Stage

Add in powdered sugar 1 cup at a time, mixing well after each addition. Dotdash Meredith Food Studios

14 . Stage

Pour in heavy cream and beat until frosting is light and fluffy, 2 to 3 minutes. If frosting is too thick, add more heavy cream. Dotdash Meredith Food Studios

15 . Stage

Spread frosting over the cooled cake. Dotdash Meredith Food Studios