Description
Peanut Butter Sheet Cake is a rich, moist, and easy-to-make dessert packed with nutty flavor. Topped with creamy peanut butter frosting, this crowd-pleasing cake is perfect for potlucks, family gatherings, or satisfying your peanut butter cravings.
Peanut Butter Sheet Cake is a rich, moist, and easy-to-make dessert packed with nutty flavor. Topped with creamy peanut butter frosting, this crowd-pleasing cake is perfect for potlucks, family gatherings, or satisfying your peanut butter cravings.
Ingredients
For the Cake:
- 2 cups all-purpose flour
- 1 cup granulated sugar
- 1/2 cup light brown sugar, packed
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 cup water
- 1/2 cup unsalted butter
- 1/2 cup creamy peanut butter
- 1/4 cup vegetable oil
- 1/2 cup buttermilk
- 2 large eggs
- 1 teaspoon vanilla extract
For the Peanut Butter Frosting:
- 1/2 cup unsalted butter
- 1/2 cup creamy peanut butter
- 1/4 cup buttermilk
- 2 cups powdered sugar
- 1 teaspoon vanilla extract
Instructions
-
Preheat the Oven
- Preheat your oven to 350°F (175°C).
- Grease a 10×15-inch jelly roll pan (for a thinner cake) or a 9×13-inch baking pan (for a thicker cake).
-
Prepare the Dry Ingredients
- In a large bowl, whisk together flour, granulated sugar, brown sugar, baking soda, and salt.
-
Heat the Wet Ingredients
- In a saucepan over medium heat, combine water, butter, and peanut butter.
- Stir continuously until smooth and bring to a gentle boil.
- Remove from heat.
-
Mix the Batter
- Pour the hot peanut butter mixture into the dry ingredients. Stir until well combined.
- Add vegetable oil, buttermilk, eggs, and vanilla extract. Mix until smooth.
-
Bake the Cake
- Pour the batter into the prepared pan, spreading it evenly.
- Bake for 20-25 minutes, or until a toothpick inserted in the center comes out clean.
-
Prepare the Frosting
- While the cake bakes, heat butter, peanut butter, and buttermilk in a saucepan over medium heat.
- Stir until smooth and bring to a gentle boil.
- Remove from heat and gradually whisk in powdered sugar and vanilla extract until smooth.
-
Frost the Cake
- Let the cake cool for 15 minutes after baking.
- Pour the warm frosting over the warm cake, spreading evenly.
-
Cool & Serve
- Allow the cake to cool completely before slicing and serving.
- Prep Time: 25 minutes
- Cook Time: 20-25 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American