Chocolate Buttercream Frosting
["1/3 c. margarine, softened", "1/8 tsp. salt", "3 c. powdered sugar", "3 sq. chocolate, melted", "1/4 c. milk", "1 1/2 tsp. vanilla"]
["Beat margarine, salt and 1 cup sugar until light and fluffy. Blend in chocolate.", "Add rest of sugar, alternating with milk and vanilla.", "Beat until smooth and creamy.", "If using cocoa, use full stick of margarine."]
["margarine", "salt", "powdered sugar", "chocolate", "milk", "vanilla"]