Butter Rich Cake
["1 pkg. Duncan Hines yellow cake mix", "1 stick melted margarine", "4 eggs", "1 box powdered sugar", "8 oz. cream cheese, softened", "1 tsp. vanilla"]
["Mix cake mix, margarine and 2 of the eggs and pat into 10 x 15-inch jelly roll pan.", "Mix powdered sugar, cream cheese, 2 eggs and vanilla.", "Pour on top of cake mix.", "Bake at 350\u00b0 for 20 to 25 minutes."]
["margarine", "eggs", "powdered sugar", "cream cheese", "vanilla"]