Description
This Chocolate Sheet Cake is a rich, fudgy dessert topped with creamy chocolate frosting. Moist, indulgent, and easy to make, it’s the perfect crowd-pleaser for parties, potlucks, or any sweet craving. Every bite bursts with deep cocoa flavor and velvety texture a true classic made simple
Ingredients
Scale
For the Cake:
- ½ cup sour cream
- 1 cup buttermilk
- 3 large eggs
- 1½ cups strong hot coffee
- ¾ cup vegetable oil
- 1 tablespoon vanilla extract
- 3 cups all-purpose flour
- 2⅔ cups granulated sugar
- ½ cup cocoa powder
- 1½ teaspoons baking powder
- 1 tablespoon baking soda
- ¾ teaspoon kosher salt
For the Frosting:
- 1½ cups unsalted butter
- ½ cup cocoa powder
- ¾ teaspoon kosher salt
- 1 pound sifted confectioners’ sugar
- ⅓ cup fudge or ganache
Optional Toppings:
- Sprinkles
- Chopped toasted nuts
- Shaved chocolate
Instructions
- Preheat oven to 350°F (175°C). Line a 9×13-inch pan with parchment paper.
- In a large bowl, sift together flour, sugar, cocoa powder, baking powder, baking soda, and salt.
- In a separate bowl, whisk together sour cream, buttermilk, eggs, vanilla, and vegetable oil. Add hot coffee and mix until smooth.
- Pour wet ingredients into dry ingredients and whisk until just combined.
- Pour batter into prepared pan and bake for 45–50 minutes, or until a toothpick inserted in the center comes out clean.
- Let the cake cool in the pan for 10 minutes, then transfer to a wire rack and cool completely.
- To make frosting: Beat butter until creamy. Add cocoa powder and salt; mix until smooth. Gradually add confectioners’ sugar, then stir in fudge or ganache.
- Spread frosting evenly over the cooled cake and top with desired garnishes.
Notes
- Use hot coffee to deepen the chocolate flavor.
- Let cake cool completely before frosting to avoid melting.
- For a vegan version, replace eggs with flax eggs and use dairy-free milk and butter.
- Store at room temperature for up to 3 days or refrigerate for up to 5.
- Prep Time: 20 minutes
- Cook Time: 50 minutes
- Category: Dessert
- Method: Baked
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 410
- Sugar: 38g
- Sodium: 290mg
- Fat: 18g
- Saturated Fat: 8g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 56g
- Fiber: 2g
- Protein: 5g
- Cholesterol: 65mg