Chocolate Icing
["1 stick margarine", "2 c. sugar", "2/3 c. (small can) evaporated milk", "6 oz. frozen chocolate chips"]
["Melt margarine; add sugar and milk.", "Bring to boil over medium heat.", "Boil", "for", "2 minutes.", "Remove from heat and stir in chocolate", "chips, beating until smooth and creamy.\tIces 3 layers."]
["margarine", "sugar", "milk", "chocolate chips"]