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

Preheat oven to 350 degrees. Grease bottom only of 9"x13" pan. Combine cake mix, butter and 1 egg. Stir until moist. Pat into pan. Blend frosting mix into softened cream cheese. Reserve 1/2 cup for frosting baked bars. Add 2 eggs to remaining frosting mixture. Bake 3 to 5 minutes at high speed. Spread over base. Bake at 350 degrees for 30 to 40 minutes. Cool; frost. Cut into bars from center of the pan toward sides with cold knife. Refrigerate leftovers.