I visited Pompeii a few years ago. There are several small places/houses that have counters with round holes in them. The audio guide mentioned they were likely

I visited Pompeii a few years ago. There are several small places/houses that have counters with round holes in them. The audio guide mentioned they were likely street food shops, so the existence of street food shops was known for a while now (the title makes it seem like this was the first example uncovered)