MIXTURE 1:

1 lemon cake mix
1 stick butter, softened
1 egg

MIXTURE 2:

3 c. powdered sugar
2 eggs
8 oz. cream cheese, softened

Put the mixed ingredients of Mixture 1 into a greased 9 x 13 pan. Mix ingredients of Mixture 2 and place over first mixture. Bake 40 minutes at 350 degrees.