1 pkg. yellow cake mix
1 stick butter
1 egg, beaten
1 (16 oz.) can pumpkin
3 eggs
1/2 c. brown sugar
2/3 c. milk
1/2 tsp. cinnamon
3/4 c. white sugar

Set aside 1 cup of cake mix. With a fork, blend remainder of dry cake mix, melted butter and egg until moist. Press into a 9 x 13 x 2-inch greased and floured pan. In a large mixing bowl, combine pumpkin, eggs, brown sugar, milk, cinnamon and white sugar; beat on low speed until smooth. Pour over bottom layer or crust.

Topping:

1 c. dry cake mix (that was set aside)
1/2 c. white sugar
1/2 c. nuts, chopped
1/2 stick butter

Crumble above ingredients. Sprinkle over the pumpkin mixture.

Bake at 350°F for 50 to 55 minutes. Can be topped with Cool Whip.