French Silk Frosting
["2 2/3 c. powdered sugar", "2/3 c. margarine or butter, softened", "2 oz. melted unsweetened chocolate, cooled", "3/4 tsp. vanilla", "2 Tbsp. milk"]
["Beat powdered sugar, margarine, chocolate and vanilla in small mixer bowl on low speed.", "Add milk gradually. Beat until smooth and fluffy."]
["powdered sugar", "margarine", "chocolate", "vanilla", "milk"]