Preheat oven to 350 degrees

Line a 9x13 inch baking pan with nonstick foil.

Mix cake mix, 8 T. melted butter and one egg. Pat gently into the bottom of the pan with your clean fingers.

In a mixer, beat cream cheese, vanilla, 2 eggs, 8 T. butter and powdered sugar.

Spread this on top of the bottom layer.

Bake for 40-50 minutes until golden brown.

Sprinkle with powdered sugar or serve with melted marshmallow cream on top!