1 pkg. lemon cake mix
1/2 c. melted butter
1 egg
1 lemon frosting mix
8 oz. cream cheese
2 eggs

Grease bottom only of 13"x9" pan. Combine cake mix, butter and 1 egg. Stir until moist, pat into pan. Blend frosting mix and cream cheese. Reserve 1/2 cup of mixture for frosting bars. Add 2 eggs to remaining frosting mix and beat for 3 to 5 minutes at high speed. Spread over base. Bake at 350 degrees for 30 to 40 minutes. Cool and frost. Refrigerate leftovers.