I have had this recipe for so long that I don't even know where I got it....really....years I think. Anyways, I have done sheet cakes before but never one with peanut butter,,
Peanut Butter Sheet Cake
Cake:
- 1/4 cup creamy peanut butter
- 1 cup water
- 1/2 cup butter
- 1 cup sugar
- 1 cup brown sugar
- 2 cups flour
- 1 teaspoon salt
- 1 teaspoon baking soda
- 2 eggs
- 1/2 cup buttermilk
- 1 teaspoon vanilla
Frosting:
- 3/4 cup butter
- 6 Tablespoon buttermilk
- 1/2 cup peanut butter
- 3 1/2 cups powdered sugar
- 1 Tablespoon vanilla
Instructions:
- Preheat oven to 375 degrees.
- For the cake: In a medium pot add the peanut butter, water, and butter and bring to a boil. Remove from heat.
- In a separate bowl, mix together the sugar, brown sugar, flour, salt, and baking soda with a fork. Add to the peanut butter mixture.
- Add the eggs, buttermilk, and vanilla to the bowl and mix well.
- Stir well and pour into greased or parchment lined cookie sheet pan with a little edge (12X17 jellyroll pan). Bake for 15 minutes at 375 degrees.
- For the Frosting: In a small pot bring the butter, buttermilk, and peanut butter to a boil. Remove pan from the heat and add the powdered sugar and vanilla. Pour frosting over the warm cake.
