We can't seem to get enough of cheese—mooning over mozzarella, pining over parmesan, and ballyhooing over brie. It's unclear exactly when this cheesy obsession began. Ancient humans seemed to start collecting milk shortly after cows, goats, and sheep were domesticated just over 10,000 years ago—and cheese may have soon followed.

Now, a new study in the journal PLOS ONE claims to have found the earliest Mediterranean cheese production, identifying traces of the funky fermented dairy product on pottery shards that are a whopping 7,200 years old. But some scientists are unsure of the find, suggesting that, like a block of Swiss, the work may have some holes.

Researchers have extensively documented milk production throughout the Mediterranean, extending back almost