Final answer:
The source of an NYC Cheesecake is not provided in the context of the question and could vary, as it can be sourced from a local bakery, a factory, made in-house, or from a dessert chain in New York City.
Step-by-step explanation:
The origin of the NYC Cheesecake you are inquiring about is not specified without context. Typically, a New York Cheesecake can be sourced from various places. It could come from a local bakery in New York City known for its specialty desserts, be directly shipped from a cheesecake factory specializing in New York-style cheesecakes, made in-house following a traditional New York recipe, or purchased from a renowned dessert chain that operates within New York City. The specific source of the cheesecake would depend on the establishment offering the dessert.