Comment by Fargren

In Spain (and I think in all of the EU) every item in every menu in every [law-complaint] restaurant has a list of allergens. This is clearly not unrealistic to do, as demonstrable by the fact that many places do it.

There's a list of 14 allergens that must be indicated if present.

https://www.lexland.es/en/restaurant-menus-should-indicate-t...