Mix 1 box of yellow cake mix, 1 egg and a stick (1/2 cup) of butter/margarine together. Reserve approx. 1 cup and press remaining crust into bottom of a 9x13 baking pan.
Blend together 1 large can of pumpkin puree (29oz), 3 eggs, 3/4 cup granulated sugar and 2 tsp. each cinnamon, nutmeg and pumpkin spice.
Spread on top of crust.
Combine reserved cake crust mixture with 2 tablespoons of butter/margarine and 1/2 cup of chopped nuts. Crumble over top of pumpkin mixture.
Bake at 325° for 50 to 60 minutes.
Brew a cup of tea or coffee, invite a friend over and enjoy.