This recipe is from Shirley McNevich's Mom's Best Recipes Vol 1. Published here with her permission.
Don't forget to check Shirley's blog.
(by Shirley McNevich)
1/4 cup butter
3 TBSP milk
1 cup peanut butter chips (Reese's)
1/2 tsp. vanilla
3/4 cup powdered sugar
In small saucepan, combine butter, milk, and pb chips. Cook over low heat, stirring constantly until smooth. Remove from stove and stir in vanilla. In a small mixer bowl, combine hot mixture with powdered sugar and beat with mixer until thickened. Use immediately because it hardens fast.