1 yellow cake mix
1 stick butter, melted
1 beaten egg
8 oz. cream cheese
2 eggs
2 1/2 c. powdered sugar
1 tsp. vanilla

Mix cake mix, butter and egg, and press into 9 x 13 pan.

Mix cream cheese, eggs, sugar and vanilla, and pour over first layer.

Bake at 350 degrees for 40 to 45 minutes.