1 box yellow cake mix
1 stick butter
1 egg

FILLING:

2 eggs
1 box confectioners' sugar
1 (8 oz.) pkg. cream cheese

Mix first 3 ingredients together. It will be crumbly. Press into lightly greased 9"x13" pan. Mix together last 3 ingredients and spread over first mixture. Bake at 350 degrees for 30 to 40 minutes. Allow to cool before cutting. Center will be soft.