Pumpkin Pie Bars

pumpkin pie bars (if you're feeling thanksgiving-y)
Thanks Mrs Lynch

bottom layer:
1 29-oz can pumpkin
1 cup milk
1 cup sugar
2 eggs
1 tsp cinnamon
1/2 tsp nutmeg
1/2 tsp ginger
1/2 tsp salt
top layer:
1 box yellow cake mix
3/4 cup walnuts, chopped (you can probably eliminate this)
1 1/2 sticks butter, melted
directions:
1. preheat oven to 350
2. in a large bowl, mix all ingredients for the bottom layer. spread mixture into a 9x13 pan.
3. pat yellow cake mist over bottom layer. spread (or not) walnuts over dry mix. cover dry mix with melted butter
4. bake 45-55 minutes, or until golden brown.