1 box yellow cake mix (not pudding in the mix type)
1 stick butter
1 egg

Reserve 1 cup of dry cake mix. Mix butter, egg and remaining cake mix. Spread in bottom of 9 x 13 inch pan.

FILLING:

1 lg. can pumpkin (1 lb. 13 oz.)
3 eggs
1/2 c. brown sugar
1/2 c. sugar
1/2 tsp. cinnamon
2/3 c. evaporated milk

Mix together well. Spread on crust layer.

TOPPING:

1 c. reserved cake mix
1/2 stick butter
1/2 c. chopped nuts

Cut together until crumbly. Sprinkle on top of filling layer. Bake at 350 degrees for 55-60 minutes. After cooling, keep refrigerated. Serve with whipped topping.