1 c. buttermilk
1/2 c. brown sugar
1/2 tsp. baking soda
2 c. sugar
1/2 c. butter
1/2 c. peanut butter

Mix all ingredients except peanut butter. Put in large skillet and cook to soft ball stage. Allow to cool a little, then beat until thick enough to spread and add the peanut butter. Spread on cooled cake. Sprinkle a few roasted peanuts on top. Is good.