Old-Fashioned Chocolate Icing
["1 1/2 c. sugar", "1/3 c. cocoa", "1/2 c. milk", "1 stick margarine", "1 tsp. vanilla"]
["Stir cocoa and sugar together.", "Add milk and stir.", "Drop in stick of margarine and stir over medium heat until melted.", "Bring to boil and cook 2 minutes.", "Add vanilla.", "Beat or stir while cooling.", "Frost a 2 layer cake which has been split in half to make 4 thin layers.", "Icing will be thin.", "Enjoy."]
["sugar", "cocoa", "milk", "margarine", "vanilla"]