1 lg. can pumpkin
3 eggs
1 c. sugar
1 lg. can evaporated milk
1/2 tsp. salt
1/2 tsp. cloves
1/2 tsp. ginger
1/2 tsp. cinnamon
1/2 tsp. allspice

Mix all of the above and pour in floured 9"x13" pan. Sprinkle one box of spice cake mix over pumpkin mixture. Melt 1 1/2 sticks butter and drizzle over top. Sprinkle 1/2 cup chopped nuts. Bake 1 hour and 10 minutes at 350 degrees. Serve with Cool Whip.