Caramel Icing
["2/3 c. margarine", "1 c. brown sugar", "1/3 c. milk", "3 c. confectioners sugar"]
["Melt butter in saucepan. Add brown sugar. Cook 2 minutes. Stir constantly. Add milk. Cook until mixture boils. Remove from heat and cool 10 minutes. Beat in confectioners sugar."]
["margarine", "brown sugar", "milk", "confectioners sugar"]