Butter Gooey Cake
["1 box yellow cake mix", "1 egg", "1 stick margarine, melted", "1 box xxx sugar", "2 eggs", "1 (8 oz.) cream cheese"]
["Mix with electric mixer until creamy.", "Pour on top of cake. Bake 30 to 35 minutes at 350\u00b0.", "Sprinkle with xxx when cool."]
["yellow cake mix", "egg", "margarine", "sugar", "eggs", "cream cheese"]