What is the collective noun for fresh food?

There isn't a specific collective noun for "fresh food." We typically use more general terms like:

* Selection: a selection of fresh food

* Assortment: an assortment of fresh ingredients

* Variety: a variety of fresh produce

* Supply: a supply of fresh food

You could also use more descriptive phrases like:

* A bounty of fresh produce

* An abundance of fresh ingredients

* A cornucopia of fresh fruits and vegetables

The best term will depend on the specific context and what you want to emphasize.