Mix together:

1 lg. can solid pack pumpkin (27 oz.)
1 lg. can evaporated milk
1 c. sugar
3 slightly beaten eggs
1 1/2 tsp. pumpkin spice

Pour the above mixture into a greased 9 x 13 inch pan.

Mix together:

1 box Duncan Hines "Butter Recipe" cake mix
1 c. chopped pecans

Spread this over the top of the pumpkin mix.

Pour 1 cup melted butter on top.

Bake at 350 degrees for 60-70 minutes. Cool for 25 minutes. Invert onto serving tray. Allow to cool completely. Top with Cool Whip when serving. Good!