Prepare one recipe of Butter PIe Crust Pastry or purchase a pie crust, and leave uncooked.
Preheat oven to 450-degrees. Combine all ingredients into a bowl or mixer, and stir until well combined.
Pour pumpkin pie filling into uncooked pie crust pan.
Bake for 20 minutes then reduce heat to 350-degrees for one hour and 15 minutes. Cook until done, or a knife inserted into the center comes out clean. Cool completely until completely cooled, about two hours.
Serve with whipped cream. Cover leftovers, and store for up to one week in the refrigerator.