Caramel Icing
["1/2 c. margarine", "1 c. packed brown sugar", "1/4 c. milk", "2 c. confectioners sugar"]
["Melt butter in saucepan.", "Mix in brown sugar.", "Stir over low heat 2 minutes.", "Add milk.", "Heat until boiling.", "Remove from heat and cool to lukewarm.", "Stir in confectioners sugar.", "Spread onto cake."]
["margarine", "brown sugar", "milk", "confectioners sugar"]