Chocolate Frosting
["1 stick margarine", "4 Tbsp. cocoa", "6 Tbsp. buttermilk or homogenized milk", "1 lb. box powdered sugar", "1 tsp. vanilla"]
["In heavy pan, bring first three ingredients to a boil, stir well.", "Add powdered sugar and vanilla.", "Mix well.", "Pour over cake while frosting is hot."]
["margarine", "cocoa", "buttermilk", "powdered sugar", "vanilla"]