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

Preheat oven to 350 degrees. Grease a 9 x 13 inch pan. Combine cake mix, butter and 1 egg. Stir until moist. Press into pan. Blend together frosting and cream cheese and reserve 1/2 cup of the mixture. Add 2 eggs to remaining frosting mixture. Beat 3 to 5 minutes at high speed. Spread over cake layer in pan. Bake about 30 minutes. Cool slightly and spread with reserved frosting. Cut into bars.