5 tbsp. milk
1/4 c. peanut butter
2 tbsp. butter
1/4 tsp. salt
1/2 tsp. vanilla
4 c. (1 lb.) unsifted powdered sugar

Stir together in saucepan over low heat the milk, peanut butter and butter until well blended. Remove from heat. Add salt and vanilla. Gradually stir in sugar; beat until smooth and creamy. If too stiff to spread easily, beat in few drops of milk. Frosts tops and sides of two 8 or 9-inch layers.