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Unpeeled Egg / Onion Overnight

Can an unpeeled hard boiled egg be eaten?

Please be a bit more elaborate as to what the issur might be. what about an half an onion that still has its peel, but the other half was used?

Answer:

An peeled egg should not be eaten if it was left overnight.

An onion that is cut in half can be eaten, provided the peel remains on the cut half.

Please see sources, below.

Best wishes.

Sources:

The Gemara (Niddah 17) writes that eggs, onions, and garlic, which are peeled and left overnight (without before being mixed with other ingredients) may not be eaten, because an “evil spirit” rests on them.

This halachah is not mentioned by the Rambam or the Shulchan Aruch, perhaps because they reasoned that the ways of ruach ra’ah (the evil spirt) have changed, yet it is mentioned by the Semak (168), by the Peri Chadah (116), and by the Shulchan Aruch Harav (Shemiras Haguf Vehanefesh), and cited by later authorities.

Therefore, if an unpeeled egg is left overnight, it should be discarded. But if some of the peel remains, or if “egg salad” has been prepared by mixing with oil and spices, the egg or egg salad can be left overnight.

Thus, if an onion is cut, but not peeled, it is permitted to consume the other half even after leaving it overnight.

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6 Comments

    1. Thanks very much for the informative article.

  1. When the Rav says “unpeeled egg”, I assume the Rav means an egg which has had its peel removed? (Bit confused as we call them unpeeled when they haven’t been peeled yet!)
    Is the quesiont of ruah haRaa still an issue if the food item is left in the refrigerator? In a sealed container?
    Thank you for your help!
    Reinharz

  2. You write “Therefore, if an unpeeled egg is left overnight, it should be discarded. But if some of the peel remains,..”
    If the egg is unpeeled, meaning it still has its shell, you write it should be discarded. But then you write if the part of the peel remains it can be left overnight. Please explain???

  3. “An unpeeled egg should not be eaten if it was left overnight.”

    You probably meant that a peeled egg should not be eaten if it was left overnight. Additional references to “unpeeled”
    should also be changed to “peeled”.

    1. Yes you are correct, that is a typo, and it will be corrected.
      Thank you

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