Lemon Cream Cheese Bars

1st Layer: 1 box lemon cake mix 1 egg 1 stick butter or marg., softened 2nd Layer: 1 8oz. cream cheese 3 cups powdered sugar 2 eggs 1 teaspoon. vanilla

1st Layer: Combine cake mix, egg and butter, press into bottom of a greased 9x13 pan. 2nd Layer: Combine ingredients and pour over 1st layer. Bake at 350 for 40 minutes. Sprinkle powdered sugar over top when taken out of the oven. Cool and cut into bars or squares.