Chocolate Icing
["4 Tbsp. cocoa", "1 stick margarine", "1/3 c. milk", "1 box powdered sugar", "1 tsp. vanilla", "chopped nuts (optional)"]
["Bring cocoa, milk and margarine to good boil.", "Remove from heat and beat in powdered sugar, vanilla and nuts, if desired."]
["cocoa", "margarine", "milk", "powdered sugar", "vanilla", "nuts"]