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

FILLING:

1 can (1 lb.) pumpkin
1 sm. can (2/3 c.) evaporated milk
2 eggs
1/2 c. brown sugar, firmly packed
1 tsp. pumpkin pie spice

TOPPING:

1 c. reserved cake mix
1/4 c. sugar
1/2 tsp. cinnamon
1/4 c. butter

Grease bottom only of 9 x 13 inch pan. Reserve 1 cup cake mix for topping. Combine cake mix, butter and egg. Press in bottom of pan. Prepare filling by combining all ingredients until smooth. Pour over crust. Combine topping ingredients and sprinkle over filling. Bake at 350 degrees for 45 to 50 minutes or until knife comes out clean. Serve with whipped cream.