Food Trends Costco I Will Be Bringing This Copycat Costco Sheet Cake To Every Celebration (& You Should Too)
This copycat Costco sheet cake is perfectly moist and quick to make using a pressure cooker. Rich chocolate flavors combined with a silky frosting make it a showstopper for any celebration.
Ingredients
Ingredients
- 2 cups All-purpose flour
- 2 cups Granulated sugar
- ¾ cup Cocoa powder rich
- 2 teaspoons Baking powder
- 1.5 teaspoons Baking soda
- 1 teaspoon Salt
- 1 cup Buttermilk
- ½ cup Vegetable oil
- 2 Eggs big
- 2 teaspoons Vanilla extract
- 1 cup Hot water to smooth batter
- 1 cup Unsalted butter for frosting
- ½ cup Whole milk for frosting
- 12 ounces Semi-sweet chocolate chips for frosting
- 4 cups Powdered sugar for frosting
- 1 teaspoon Vanilla extract for frosting
Instructions
Instructions
- Preheat the oven to 350 degrees Fahrenheit.
- Grease and flour a 9 by 13 inch sheet cake pan for easy release.
- Sift together flour, sugar, cocoa powder, baking powder, baking soda, and salt in a large bowl.
- In another bowl, whisk buttermilk, vegetable oil, eggs, and vanilla extract until combined.
- Slowly mix the wet ingredients into the dry ingredients.
- Gradually pour in the hot water, stirring gently until the batter is smooth.
- Pour the batter into the greased pan.
- Bake in the oven for 30 to 35 minutes or until a toothpick comes out clean.
- Remove the cake from the oven and let it cool completely before frosting.
- Melt butter and chocolate chips together until smooth for the frosting.
- Stir in powdered sugar and milk, then add vanilla extract.
- Beat the frosting mixture until light and fluffy.
- Spread the frosting evenly over the cooled cake.
Notes
Store leftover cake wrapped tightly or in an airtight container. It can last 1-2 days at room temperature, up to a week in the fridge, and longer if frozen. Bring to room temperature before serving for best flavor.