1/4 c. butter
1/4 c. peanut butter
1 c. sugar
1 egg
1 1/2 c. flour
1 tsp. baking soda
1 tsp. baking powder
1 c. buttermilk
1 1/4 tsp. vanilla

Sift together dry ingredients. Cream butter, peanut butter and sugar. Add egg. Add flour mixture alternately with 1 cup buttermilk and vanilla. Bake at 350 degrees for 35-40 minutes in greased 9x13 pan.

TOPPING: 1/4 cup peanut butter, 1 cup sugar.