With an electric mixer, beat cream cheese, sugar, and salt until smooth, about 1 minute.
Add nutmeg and bourbon (or vanilla).
In a separate bowl, whisk the eggs.
Add eggs to cream cheese mixture in 4 additions, beat well after each.
Stir in eggnog.
Pour over prepared crust.
Place in a large sheet cake pan or roasting pan.
Place on oven rack.
Fill sheet cake pan with boiling water half way up the side of the cake pan.
Bake for 45-50 minutes.
Turn the oven off, leaving the cheesecake in the oven until completely set, about 10-15 minutes.
Remove from oven.
Remove cheesecake from water bath.
Allow to cool completely at room temperature, about 8 hours.
Cover and place in refrigerator overnight.
The next morning, turn out cheesecake.