How did they form? What are their specific traits? Stereotypes (even untrue, if marked as such)?
If cultural differences coincide with geography, please mention in, too.
In the questions about weird things people from different continents do somebody pointed out, that Europeans have little knowledge of this, so please fix my ignorance.
What about breading on fish and chicken? Where does that originate?
I don’t know, and a quick search doesn’t turn up anything. If they had moved over from Reddit I’d say it’s a good question for AskHistorians.