In the rarefied world of small-batch cheese, the closest a product may get to widespread fame is Tom Colicchio’s shout-out for his favorite bloomy rind on “Top Chef.”That’s why Anne Saxelby, the founder and co-owner of Saxelby Cheesemongers, in New York City, was so surprised when a supplier told her that a recipe on the popular video app TikTok had whipped up such a demand for feta that she wouldn’t get her weekly shipment of the cheese.Ms. Saxelby and her feta maker — Narragansett Creamery, a small Rhode Island dairy — had been swept up in the …
