Preheat the oven to 350 degrees. Grease and flour a 9 x 13 pan.
In a large bowl whisk,pumpkin,eggs,sugar,pumpkin pie spice and salt. Stir in the milk then beat in the eggs, one at a time. Gently mix 1/2 of the cake mix into the pumpkin mixture. Pour the pumpkin mixture into the pan.
Sprinkle the remaining cake mix and chopped nuts over the top of the pumpkin mixture. Then drizzle the metlted butter over the top of the entire cake batter.
Bake in oven for 55 minutes. Check for nicely browned edges. Cool a bit berore serving, or serve it completely cooled, Also great with ice cream on top.
YOU CAN ALSO DRIZZLE MELTED CARAMEL TOPPING OVER TOP. I'VE USED THE TOPPING THAT GOES OVER ICE CREAM.