1 box yellow cake mix
1 egg
1/2 c. melted butter
1 1/4 c. pumpkin
1/4 c. brown sugar
2 tsp. cinnamon
2 eggs
2/3 c. milk
1/2 tsp. salt

Put yellow cake mix in bowl (reserving 1 cup). Add egg and melted butter, combine as the crust in a 13 x 9 pan. Mix together, pumpkin, sugar, cinnamon, 2 eggs, milk and salt. Pour over the crust. Mix into crumbs the one cup cake mix, 1/4 cup sugar, 1 teaspoon cinnamon, 1/4 cup butter, and sprinkle over top of pumpkin. Mix. Bake at 350 degrees for 45 to 50 minutes or until knife comes out clean. Cool, and top with Cool Whip.