Lemon Bars
["1 box lemon cake mix", "1/2 c. melted margarine (1 stick)", "1 tsp. vanilla", "1 egg", "9 oz. cream cheese, softened", "1 box confectioners sugar", "2 eggs"]
["Mix together and pour evenly over first mixture.", "Bake at 350\u00b0 for 30 to 40 minutes or until tests done with knife.", "Let set until firm."]
["lemon cake mix", "margarine", "vanilla", "egg", "cream cheese", "confectioners sugar", "eggs"]