In small saucepan place peanut butter chips, milk and whipping cream. Cook over low heat, stirring constantly, until chips are melted and mixture is smooth. Remove from heat; stir in vanilla. Serve warm. Cover; refrigerate leftover sauce.

About 1 cup sauce

To reheat: Place sauce in small saucepan. Stir constantly over low heat until warm. Add additional milk or whipping cream for desired consistency.