Peanut Butter Sheet Cake
This easy-to-make peanut butter sheet cake is a moist and fluffy treat, topped with a rich, creamy frosting that's perfect for any occasion.
Equipment
Ingredients
- ½ cup peanut butter
- 1 cup water
- 2 sticks butter
- 2 cups flour
- 2 cups sugar
- 1 teaspoon salt
- 1 teaspoon baking soda
- 2 eggs
- ½ cup buttermilk
- Frosting:
- 1 stick butter
- ½ cup peanut butter
- 6 tablespoons buttermilk
- 1 teaspoon vanilla
- 4 cups powdered sugar
Instructions
- Preheat your oven to 350°F (175°C). Grease a sheet cake pan or two 9x13 inch pans and set aside.
- In a mixing bowl, combine the flour, sugar, salt, and baking soda.
- In a saucepan, mix together the peanut butter, water, and butter. Bring to a rapid boil and then pour over the flour mixture.
- Stir the mixture together and then add the eggs and buttermilk, mixing until fully combined.
- Pour the batter into the prepared pan(s) and bake for 20-25 minutes, or until a toothpick inserted into the center comes out clean.
- For the frosting, bring the butter, peanut butter, and buttermilk to a rapid boil in a saucepan. Remove from heat and stir in the vanilla and powdered sugar.
- While still hot, spread the frosting over the cake. Allow the cake to cool completely before cutting.