1 yellow cake mix
3 eggs
1/2 c. melted butter
1 can (30 oz.) pumpkin pie mix
2/3 c. milk
2 tbsp. sugar
1/2 tsp. cinnamon
1/4 c. butter

1st layer: Combine cake mix (remove 1 cup to small bowl), 1 egg, 1/2 cup melted butter in a medium bowl. Press into bottom of greased 9x13 pan.

2nd layer: Mix together pumpkin pie mix, 2 eggs and 2/3 cup milk. Pour over 1st layer.

Topping: Mix 1 cup cake mix, 2 tablespoons sugar and 1/2 teaspoon cinnamon. Cut in 1/4 cup butter. Sprinkle crumb topping over top of 2nd layer. Bake 45-50 minutes at 350 degrees. Cool, cut into squares, serve with whipped cream.