1 pkg. yellow cake mix (less 1 c.)
1/2 c. melted butter
1 egg

Grease bottom of 9 x 13 inch pan. Reserve 1 cup cake mix. Combine remaining mix, butter and egg; press into pan.

FILLING:

1/2 c. melted butter
3 c. or lg. can pumpkin pie mix, or 1 can pumpkin
1/2 c. sugar
2 1/2 tsp. pumpkin pie spice
2 eggs
2/3 c. milk

Combine all ingredients until smooth. Pour filling over crust.

TOPPING:

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

Combine ingredients and sprinkle over filling. Bake at 350 degrees for 45 minutes or until testing knife comes out clean. Serve with whipped cream or topping.