1 box yellow cake mix
1/2 c. butter, melted
3 eggs
2/3 c. evaporated milk
1 lg. can pumpkin
1 tsp. cinnamon
1 1/2 tbsp. butter, melted

Crust: Combine yellow cake mix (minus 1 cup for topping), 1/2 cup melted butter, and 1 egg. Press into a 9 x 13 inch greased pan.

Pumpkin layer: Mix together 2 eggs, milk, and pumpkin. Pour over unbaked crust.

Topping: Combine the 1 cup yellow cake mix that was set aside, cinnamon and the 1 1/2 tablespoons butter. Sprinkle over the pumpkin mixture.

Bake at 350 degrees for 45-50 minutes. Cool. Serve topped with Cool Whip.