Caramel Icing
["1 lb. brown sugar", "1/2 lb. margarine", "10 Tbsp. canned milk", "1 tsp. baking powder", "1 tsp. vanilla"]
["Mix first 3 ingredients; boil 3 minutes.", "Remove from heat. Add baking powder and beat.", "Add vanilla.", "Beat with mixer until creamy and to desired consistency for spreading on cake."]
["brown sugar", "margarine", "milk", "baking powder", "vanilla"]