Gooey Butter Cake
["1 box yellow cake mix", "1 stick margarine, melted", "1 egg", "1 box powdered sugar", "3 eggs", "1 (8 oz.) pkg. cream cheese"]
["Mix first 3 ingredients until soft dough forms.", "Spread into greased 9 x 13-inch pan.", "Beat remaining ingredients until smooth and fluffy.", "Pour over dough in pan.", "Bake at 325\u00b0 for 30 minutes. Let cool and serve."]
["yellow cake mix", "margarine", "egg", "powdered sugar", "eggs", "cream cheese"]