Easy Chocolate Icing
["1/4 lb. butter, melted", "2 c. sugar", "1 tsp. vanilla", "1/2 c. cocoa", "1/2 c. sweet milk"]
["In 2-quart saucepan, combine melted butter or margarine, cocoa and sugar.", "Add milk gradually and vanilla.", "Mix all well.", "Place over medium heat.", "When mixture comes to full boil, boil then for 1 minute.", "Let cool before spreading on cake."]
["butter", "sugar", "vanilla", "cocoa", "sweet milk"]