Thursday, February 11, 2016

Halacha Yomis - Onions Overnight OU Kosher Halacha Yomis This column is dedicated in memory of: Rav Chaim Yisroel Belsky, zt'l Senior OU Kosher Halachic Consultant (1987-2016)


May I dice onions and place them in sealed packaging to avoid the sakana (danger) of eating peeled onions that were left overnight? (A subscriber's question) The Gemara (Nida 17a) writes that there is a sakana to eat peeled onions that were left overnight, even if they were placed in sealed packaging. The only exception that the Gemara mentions is if part of the roots or the peel is left on the onion. Tosfos (Shabbos 141a s.v. Hani) writes that the sakana applies to diced onions as well. However, if there are other ingredients mixed in to the onions, Rishonim already discuss that one can be lenient. Igros Moshe (Y.D. III: 20) writes that industrial produced products are not subject to this sakana. So one may purchase frozen packages of diced onions.

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