1 pkg. yellow cake mix
1 egg
1 stick butter, melted
1 (1 lb.) box powdered sugar
2 eggs
1 (8 oz.) pkg. Philadelphia cream cheese, softened

Mix first 3 ingredients together and pat into a buttered 13 x 9 pan.

Mix together the last 3 ingredients for 3 minutes. Pour in the pan.

Bake at 350°F for 40 minutes. Sprinkle with powdered sugar when cooled if desired.