1/2 c. peanut butter
3 tbsp. cocoa
3 tbsp. butter
2 c. powdered sugar
2 tbsp. milk
1/2 tsp. vanilla

Melt butter. Add peanut butter and cocoa. Stir. Heat until mixture begins to boil. Stir until smooth. Pour into small mixer bowl. Cool. Add sugar, milk and vanilla alternately, beating to spreading consistency. Additional milk may be added.