Crust:

1 box butter pecan or caramel cake mix
1/2 c. (1 stick) butter
1 egg

Filling:

1 (8 oz.) pkg. cream cheese
2 eggs
1 (1 lb.) box powdered sugar
1 tsp. vanilla extract

Mix crust ingredients together in a bowl with spoon, then pat it out into a cake pan. Mix filling ingredients together with mixer; pour over crust.

Bake 350°F for 45 minutes.