Beef stew is a basic asf dish in literally every country that eats beef, with each country having their own twist and name for it.
Hamburg steak, and katsu be strange to a fantasy world works. Beef stew dishes however is not, instead of going wtf is beef stew, the reaction should be about how delicious it is, how its on another level of beef stew, how this is the king of beef stews etc, instead.
https://www.atlasobscura.com/articles/japan-meat-ban
Beef stew sugoi would unironically work in feudal Japan which banned eating beef and meat in general.