Spray 9x13 dish with cooking spray or butter.

Mix together the yellow cake mix, 1 stick melted butter, and 1 egg.

Spread mixture out into bottom of 9x13 pan.

Then mix 8 oz softened cream cheese, 3 cups powdered sugar, and 3 eggs.

Pour mixture on top of the crust, and make for 30-40 minutes at 350.