1 (29 oz.) can pumpkin
1 (13 oz.) can evaporated milk
3/4 c. sugar
3 eggs, beaten
1/4 tsp. pumpkin pie spice mix
1/4 tsp. cinnamon
1 yellow cake mix
1 c. nuts
2 sticks melted butter, cooled
1 large Cool Whip

Line 9 x 13-inch pan with wax paper. Mix first 5 ingredients and pour in pan. Shake dry cake mix and nuts over this. Dribble melted butter on top. Bake at 350° for 50 to 60 minutes. Cool, invert pan, remove wax paper and top with Cool Whip when ready to serve. "Better than pumpkin pie".