my cousin missy's pumpkin bars recipe in honor of her birthday

I'm really enjoying sharing recipes with you on people's birthdays.  today is my cousin missy's birthday and here is her recipe for pumpkin bars and they are so yummy!!

Bottom Layer:
1 can pumpkin (29 oz.)
1 cup milk
1 cup sugar
2 eggs
1 tsp. cinnamon
½ tsp. nutmeg
½ tsp. ginger
½ tsp. salt

Top Layer:
1 yellow cake mix
¾ cup chopped walnuts
1 ½ sticks melted butter

1. Preheat oven to 350.
   
2. Mix together all ingredients for the bottom layer. Spread into a glass 9x13 pan.
   
3. Pat yellow cake mix over bottom layer.  Spread walnuts over dry mix.  Cover dry mix with melted butter.
   
4. Bake 45-55 minutes or until golden brown.