I have heard several times (including here) of a halacha (I believe I heard it is mentioned in a gemara) that discusses not taking a bite out of a sandwich when eating with others, as it may make them feel sick and end up choking. Instead, one should tear off a piece of the sandwich and put the whole piece in one's mouth.

Where is this gemara? I seek it because I would like to know if this is halacha, and learn more about this topic, thank you.

  • Not sure, but the only relevant thing I found was a Tosfos that says eating bread on street is exceptionally demeaning (תוס' ד"ה ויש)
    – Shmuel
    Commented Jan 19, 2023 at 18:47
  • These halachot are summarized in KSA 42:1 and ff but I didn't find what you are reporting. Shmosel's answer is the closest and it is very likely what you heard is a deformation of that halacha
    – mbloch
    Commented Jan 20, 2023 at 6:31

2 Answers 2


I don't know about the choking, but it says clearly in Shulchan Aruch Orach Chaim 170:10 that one should not bite into food and put it back down, and the commentaries say that's because it's disgusting.

לא ישוך פרוסה ויניחנה על גבי השלחן

  • Thank you. This doesn't match what I've heard exactly so I will wait for more answers and do more research before accepting
    – Rabbi Kaii
    Commented Jan 19, 2023 at 19:59

I believe it may actually be a different סעיף in סימן קע, in סעיף ז it says לא יאכל אדם פרוסה כביצה ואם אכל (הרי) זה גרגרן, one should not eat a piece the size of an egg, and on this the מגן אברהם comments: לא יאכל. פי' שלא יאחזנו בידו אף על פי שאינו אוכלו בבת אחת (ב"י), that this is referring to holding such a size piece in his hand even though his isn't eating it at once.

Here is an online shiur discussing this from this source.

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