keilim Archives | Rosh Yeshiva Responds

15 01, 2023

Tevilat Keilim for a Mug with a Rubber Stopper

January 15th, 2023|Kashrut, Tevilat Keilim, Yoreh De'ah|

QUESTION

Maryland

This glass mug by Bodum has a rubber stopper at the bottom that is designed to allow the air trapped between the two layers to expand due to heat but to not let water in since the water would get trapped inside. Can it be toveled/is the rubber a hatzitza? It is designed to be there and be left in place, so would it be considered to be eino makpid? (YD 120:13)

ANSWER

If this is a functional part of the mug, then it is more than eino makpid—it

27 12, 2020

Does a Water Urn Require Tevilah? May It Be Used on Shabbat?

December 27th, 2020|Orach Chayim, Prohibitions, Technology, Yoreh De'ah|

QUESTION

Canada

Newly purchased water urn – do you hold that it’s patur from tevilah because it’s mechubar lakarkah (and maybe will get ruined by tevilah? not sure the metziut) or that it requires tevilah as per Rav Moshe? See the picture for reference.

ANSWER

I think you don’t need to do tevilah based on the combination of the following 3 reasons (any 2 would really suffice):

Mechubar

20 12, 2020

Bishul Akum with a Boarder

December 20th, 2020|Kashrut, Non-Jews and Other Religions, Yoreh De'ah|

QUESTION

Riverdale, NY

A frum family has a non-Jewish young adult (post-college) who lives with them and participates in family life (more than a boarder). How do we think about בישול עכו״ם for them from things he cooks?

ANSWER

That’s a tough one, because there aren’t even the kulot of when it is of a commercial nature, etc. I’m not sure what I could advise other than – in special circumstances – NB: NOT saying this as regular pesak – we could adopt a very broad category of

22 11, 2020

Making Sushi on Shabbat

November 22nd, 2020|Orach Chayim, Prohibitions|

QUESTION

May one roll sushi on Shabbat? May one chop vegetables for sushi?

ANSWER

Why should chopping vegetables be a problem? Tochein? It’s fine if you plan to eat it right away – see Shulchan Arukh OC 321:12,

המחתך הירק דק דק, חייב משום טוחן… וכל זה לא מיירי אלא בחותך ומניח, אבל אם לאכלו מיד, הכל שרי מידי דהוי אבורר לאכול מיד, דשרי

Regarding the roll, I have to tell you that in the past I had doubts that it

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