Preheat oven to 325F . Partially bake a double batch of pie crust spread out in a casserole.

Make a pie filling from this pumpkin pie recipe (or use canned filling with relevant spices/eggs/etc.)

Make the cheesecake layer:
16 oz cream cheese, softened
1/2 cup sugar
1/3 cup eggnog
1 egg
1 tablespoon all-purpose flour
pinch nutmeg (if not already enough in eggnog)