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

Grease bottom only of 13 x 9 inch pan. Combine cake mix, butter, and 1 egg. Stir until moist. Pat into pan. Blend frosting mix and cream cheese. Reserve 1/2 cup for frosting. Add 2 eggs to remaining mixture. Beat 3-5 minutes on high speed. Spread over base. Bake at 350 degrees for 30-40 minutes. Cool, frost. Cut into bars. Refrigerate.