Rosh Yeshiva Responds
Rabbi Linzer answers halakhic questions from rabbis and community members

29 01, 2021

When Bacon Falls on the Food: Bitul of Dry Food

January 29th, 2021|Kashrut|

The underlying principle of almost the entire field of practical Kashrut is that of bitul – the ability of a food to be considered “nullified” when it is mixed with other foods, assuming that it does not impart any taste, that it is not noten ta’am. This is intuitively understandable when, say, a drop of milk falls into a large pot of chicken soup, that is, when the two are fully mixed together and become one entity. We can then say: “All we have here is chicken soup. The milk – since it cannot be tasted – no longer exists.” But

17 12, 2010

Hilkhot Kashrut: How Does Taste Transfer?

December 17th, 2010|Kashrut|

 Taste transfers in complex ways according to halakha.  When a forbidden food gets mixed up directly with a permissible one – they are blended together, or cooked together so they all become one mass, there is no question that the forbidden food is present, and that the mixture will be forbidden unless the forbidden food is less than 1/60th of the whole.  But what about when it is not clear if the forbidden food transferred its taste into the mixture?  Say a treif piece of meat falls into my chicken soup and then I remove it –

8 10, 2010

When Bacon Falls on the Food: Bitul of Dry Food

October 8th, 2010|Kashrut|

The underlying principle of almost the entire field of practical Kashrut is that of bitul – the ability of a food to be considered “nullified” when it is mixed with other foods, assuming that it does not impart any taste, that it is not noten ta’am. This is intuitively understandable when, say, a drop of milk falls into a large pot of chicken soup, that is, when the two are fully mixed together and become one entity. We can then say: “All we have here is chicken soup. The milk – since it cannot be tasted – no longer exists.”