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Overnight Onions

I diced up several onions in my food processor. I cooked some but would like to save some RAW to prepare salads tomorrow for Shabbat. What can I do so it won’t be a problem leaving them overnight? Thank you. Tizku l


Add in to the onions [even] a small amount of something else, such as oil, salt or sugar. Thus it is considered a mixture and not subject to this concern.


Sefer Shmiras Haguf Vhanefesh pg 25 cites a number of authorities who maintain that being that we are dealing with a spiritual danger whose nature and mechanics is not understood to us, we apply the rule only to the exact case it was taught on, i.e. without a mixture.

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