Yummy Bars
["1 box butter yellow cake mix", "1 stick margarine", "1 egg", "1 (8 oz.) pkg. cream cheese, softened", "1 lb. box powdered sugar", "3 eggs", "1 tsp. vanilla"]
["Mix first 3 ingredients until soft.", "Press in 13 x 9-inch greased pan.", "Mix remaining ingredients and pour over cake mixture.", "Bake at 350\u00b0 for 40 minutes.", "Cut into bars."]
["butter yellow cake mix", "margarine", "egg", "cream cheese", "powdered sugar", "eggs", "vanilla"]