For the Crust:

1. 1. Preheat your oven to 325°F (160°C). Line an 8×8-inch baking dish with parchment paper.
2. 2. In a bowl, mix graham cracker crumbs with melted butter until combined. Press firmly into the bottom of the prepared baking dish.
3. 3. Bake for about 10 minutes until lightly golden and fragrant.

For the Filling:

1. 1. In a large mixing bowl, beat softened cream cheese and sugar until smooth.
2. 2. Gradually add eggs one at a time, mixing well after each addition.
3. 3. Mix in eggnog, nutmeg, and cinnamon until fully combined and silky.
4. 4. Pour cheesecake filling over the pre-baked crust and spread evenly.
5. 5. Bake for 40-45 minutes or until the center is set but slightly jiggly.
6. 6. Allow to cool at room temperature before chilling in the refrigerator for at least two hours.