Latest Popular Chumrah

Flour ground after Pesach. Such that they didn't rely on sale to a non-Jew. Over at Life in Israel. Check it out.

Update: I would suggest the following precaution to make sure not to end up using flour owned by a gentile on Pesach. Only use flour from wheat that took root after the 16th of Nissan (the second day of Pesach).

;)