Pumpkin Dump Cake

Ingredients

1 15 oz can pumpkin puree NOT pumpkin pie mix
1 12 oz can evaporated milk
3 large eggs
1 cup sugar
1 tsp ground cinnamon
1 box spice cake mix
1 cup butter, melted (2 sticks)

Instructions
Preheat oven to 350F degrees.
Spray a 9x13 baking dish with nonstick cooking spray.
In a medium bowl, combine pumpkin puree, evaporated milk, eggs, Sugar and cinnamon until well-combined.
(It will be very runny.)
Pour this pumpkin mixture into the baking dish.
Sprinkle dry cake mix on top of pumpkin mixture.
Drizzle melted butter over the top.
Bake for about 55-60 minutes.
It might still be just a bit jiggly in the middle when done.
It will continue to set up as it cools.
Let it cool for at least 30 minutes before slicing and serving.