1 box yellow cake mix (reserve 1 cup)
1/2 c. butter, melted
1 egg

FILLING:

1 (1 lb.) can pumpkin (3 c.)
2 1/2 tsp. pumpkin spice
2 eggs
2/3 c. milk

TOPPING:

Remaining cake mix (1 c.)
1/4 c. sugar
1 tsp. cinnamon
1/4 c. butter, melted

Combine first 3 ingredients and press in a greased 13 x 9 inch pan. Mix and pour filling mixture over crust. Crumble topping mixture over top of filling. Bake at 350 degrees for 45 to 50 minutes. Serve with whipped topping. Serves 12.