1 box yellow cake mix
1 stick butter
1 egg, beaten
1/2 c. chopped pecans

TOPPING:

8 oz. cream cheese (softened)
2 eggs, beaten
1 tsp. vanilla
1 lb. powdered sugar

Mix cake mix, butter, egg and pecans well. Pat mixture into 10x15 inch sheet pan.

Mix cream cheese, eggs, vanilla and powdered sugar well. Spread over first mixture. Bake for approximately 30 minutes at 350 degrees or until golden brown.