This cake is sublime! I made two and took one to work and it was devoured. The sour cram makes the cake so moist and the peanut butter frosting is delish! I topped mine with Resees Pieces for an extra PB kick!
2 cups sugar
2 cups flour
2 large eggs
1 teaspoon baking soda
1 cup sour cream, light or regular
2/3 cup creamy peanut butter
1 cup butter
1 cup water
1/2 cup butter
2/3 cups creamy peanut butter
6 tablespoons milk
2 1/2 cups powdered sugar
1 teaspoon vanilla
Preheat oven to 400 degrees. For the cake, in a medium bowl combine the sugar and flour. In a largeM bowl mix eggs, baking soda, and sour cream well. Set aside. In a small saucepan combine peanut butter, butter, and water. Bring to a boil. Stir the boiled peanut butter mixture into the flour mixture. Add to the sour cream mixture. Mix well. Pour into a lightly greased 15×10 inch sheet/jellyroll pan.
Bake 20 minutes or until a toothpick inserted in the center comes out clean.
For the frosting, while the cake is baking, combine the butter, peanut butter, and milk in a saucepan. Bring to a boil stirring constantly. Add the powdered sugar and mix well. Stir in the vanilla. The frosting will be thick. Mix well. Pour and spread over cake while both are still warm.
Let the cake and frosting cool completely. Cut into pieces and serve.
Recipe Source: from Sprinkled with Flour