Chocolate Icing(Good)  
["2 c. sugar", "1/4 c. cocoa", "1 stick butter or margarine", "1/2 c. milk", "1/2 tsp. vanilla"]
["Mix all ingredients together.", "Put over medium heat and cook, stirring constantly, until mixture comes to a boil.", "Boil 1 minute; remove from heat.", "Add vanilla.", "Cool.", "Beat until creamy; spread on cake."]
["sugar", "cocoa", "butter", "milk", "vanilla"]