Butter Cake
["1 box Butter Recipe cake mix", "1 stick margarine, melted", "1 egg", "8 oz. cream cheese", "2 eggs", "1 box confectioners sugar", "1 tsp. vanilla"]
["Grease a 9 x 11-inch oblong pan with margarine.", "Mix first three ingredients by hand.", "Press into bottom of pan."]
["Butter", "margarine", "egg", "cream cheese", "eggs", "confectioners sugar", "vanilla"]