1 box devil's food cake mix
1 3/4 c. peanut butter
1 can chocolate frosting

Prepare cake as directed. Bake in 9x13x2 inch pan. When cake is done, remove from oven. While still hot, spread 1 cup peanut butter over cake. Let cool. Add 3/4 cup peanut butter to chocolate frosting. Frost cake and serve with vanilla ice cream.