My dad gave me this recipe.
He has made this many times for a restaurant near his home in Puerto Vallarta, Mexico.
They also request his Cherry Cheesecake http://www.lachelleskitchen.com/2008/09/grampas-cherry-cheesecake.html .
Grampa's Pumpkin Dessert
1 (15 oz) can pumpkin puree
1 (12 oz) can evaporated milk
1 cup sugar
4 tsp pumpkin pie spice
1 (18.5 oz) box yellow cake mix
3/4 cup butter, melted
1 1/2 cups chopped walnuts (I used pecans because my husband is a tad allergic to walnuts)
Preheat oven to 350 F (175 C)
Grease a 9X13 baking pan
In a large bowl mix together , pumpkin, milk, eggs, sugar and pumpkin pie spice. Mix well, and pour into pan.
Sprinkle dry cake mix over the top, scatter nuts over cake mix, then drizzle melted butter over nuts.
Bake for 1 hour or until knife inserted near center comes out clean.