1 stick butter or margarine
1 box yellow cake mix
1 8-ounce pkg cream cheese softened
1 box powdered sugar
Lightly grease 9X13inch pan.
Melt butter in pan.
Mix egg, cake mix. Press in bottom of pan.
Mix cream cheese, powdered sugar, and egg. Spread on top.
Bake 350 degrees for 35-40 minutes until top is lightly browned.