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

Preheat oven to 350 degrees. Combine cake mix, butter and 1 egg. Stir until moist. Pat into 13 x 9 inch pan, greased on bottom only. Blend frosting mix into softened cream cheese. Reserve 1/2 cup for frosting baked bars. Add 2 eggs to remaining frosting mixture. Beat 3-5 minutes. Spread over base. Bake at 350 degrees for 30-40 minutes. Cool; frost with reserved frosting.