Not a yiddishe maichel – I guess cholopches are out, since they are ukranian. And blintzes, since the Russinas were making blini before we got there. The Scots were making kishke before we were exiled from Eretz Yisroel.
In fact, most of what is considered Jewish food by non sefardim is simply a reinvention of local east european dishes with all the treif elements removed.
One exception is cholent, which is likely derived from sefardi and mizrachi chamim, but which is common to other cultures as well.
The obvious question is, how come the same authorities who claim sushi is not a yiddishe maichel aren’t insisting on reintroducing dishes that Jews in Spain (where most European Jews ultimately came from, on their way through West, Central, and Eastern Europe)
would have eaten, and which their descendants from Italy, Greece, Morroco and Turkey still eat. This cuisine was as much if not more Jewish – because like all Mediterranean cuisines including that of eretz yisroel, it shared certain complex carbs, more fresh vegetables, more fish, and less heavy proteins than Eastern European food.
This is not to say I am an advocate of one way or the other, but the obvious and inherent contradiction begs the question.