1 pkg. yellow cake mix
1/2 c. melted butter
1/2 c. chopped nuts
29 oz. can pumpkin
1 1/2 c. sugar
3 tsp. pumpkin pie spice
4 eggs, beaten
12 oz. can evaporated milk

Mix cake mix, melted butter and chopped nuts. Reserve 1 cup, and pack rest in 13 by 9 inch pan. Mix the rest of ingredients and pour over crust. Sprinkle reserved cup of crumbs on top. Bake at 375 degrees for 45 minutes.