1 pkg. yellow cake mix
1/2 c. butter, melted
1 egg

FILLING:

1 (14 oz.) can pumpkin pie mix
2 eggs
2/3 c. milk

TOPPING:

1 c. reserved cake mix
1/4 c. sugar
1 tsp. cinnamon
1/4 c. butter, melted

Grease 13 x 9 inch pan. Reserve 1 cup cake mix for topping. Combine remaining cake mix, butter and egg. Press into pan. Combine all filling ingredients and pour over crust. Combine all topping ingredients, sprinkle over filling. Bake in 350 degree oven for 50 minutes or until knife inserted near center comes out clean. Serve with whipped topping.