1 (18.25 oz.) yellow cake mix
1/4 c. oil or butter
1 egg
8 oz. cream cheese
1 stick butter
2 eggs
1 box powdered sugar

Mix first 3 ingredients by hand and pat into ungreased 9x12 pan. Mix the rest of ingredients and add over first mixture. Sprinkle with 1 cup chopped pecans. Bake for 55 minutes.