Ethel'S Fudge Frosting
["1/2 c. margarine", "3 Tbsp. cocoa", "6 Tbsp. Coke", "1 box powdered sugar", "1 tsp. vanilla", "1 c. nuts"]
["Bring to a rapid boil the first 3 ingredients.", "Remove from heat and add rest of ingredients.", "Mix and spread over cool cake while icing is hot."]
["margarine", "cocoa", "powdered sugar", "vanilla", "nuts"]