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10 votes

What is halachic rationale for separate Passover dishes?

Chametz is getting absorbed in the same way than milk and meat are. The reverse would be surprising. Why would meat and milk be absorbed but not chametz? (see this explicitly stated in third paragraph ...
mbloch's user avatar
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9 votes
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Can one "pickle" meat to make it kosher?

The Rambam explicitly forbids this (MT Hilchot Ma'achalot Assurot 6:11-12) When meat is salted, it should be salted only in a perforated utensil, using only salt that is as heavy as coarse sand, ...
mbloch's user avatar
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8 votes
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Is immersion of utensils (tevila) valid before koshering (hagala)?

Avodah Zarah 75b: ת"ר הלוקח כלי תשמיש מן העובדי כוכבים דברים שלא נשתמש בהן מטבילן והן טהורין דברים שנשתמש בהן ע"י צונן כגון כוסות וקתוניות וצלוחיות מדיחן ומטבילן והם טהורין דברים שנשתמש בהן ע"י ...
DonielF's user avatar
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7 votes
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Do you have to re-tovel non-Pesach dishware after buying it back?

As with many questions of this type, the answer is "it is a machlokes" You would have to consult your specific Rav. The OU actually goes into some details on this. What’s the Truth about . . . the ...
sabbahillel's user avatar
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7 votes

May liquids other than water be used to kasher a material?

It's a machlokes haposkim - see Rema, Orach Chaim 452:5, citing Orchos Chaim. The Ramban says it's no good, while the Rashba allows it. So the Rema says that it shouldn't be done, but bedieved (after ...
Meir's user avatar
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6 votes
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May One Kasher Utensils During Pesach?

The Rama writes (OC 452:1), after the Shulchan Arukh cautioned to Kasher everything before the fifth hour on Erev Pesach morning to avoid various complications: ואם לא הגעיל קודם זמן איסורו יכול ...
Double AA's user avatar
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6 votes

Order for tevilah and kashering

First Kasher them and then dunk them in the Mikva. (ShA YD 121:2) If you did it the wrong way some say you have to dunk them again.
Double AA's user avatar
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6 votes

May liquids other than water be used to kasher a material?

Rema OC 452:5 writes that one cannot kasher with liquids other than water in the first instance, but that after the fact they work.
Joel K's user avatar
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5 votes

May non-kasherable items be put into kosher service if they arrived new-in-box?

There are two separate issues regarding kitchen utensils, dishes etc. One is if they absorbed non-kosher food in the past. Since these utensils are new, this is not a problem for ceramics and glass. ...
Miriam's user avatar
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5 votes

What does the term “mohel” mean in Hilchot Melicha (salting)?

The Sefer Yoreh Binah (Practical guide to the terminology of Yoreh Deah- Rabbi Daniel Yaakov Travis): מוהל Definition: Liquid of heter that is discharged from meat after the shiur melicha [=...
sam's user avatar
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5 votes

Does one need to kasher a pot that is kosher in all aspects except that kosher meat that is not glatt was cooked in it?

According to Rav Moshe Feinstein (Igros Moshe YD 4:6) it seems that using such utensils would be permissible without any kashering . He bases his opnion off the Rama in YD 64:9 which discusses a case ...
sam's user avatar
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5 votes

Ki'bolo Kach Polto

R Ezra Friedman from OU Kashrut brings an answer to your question (here) It would seem logical based on the principle of kebol’o kach polto that not only would the method of kashering be based on the ...
mbloch's user avatar
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5 votes
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Destroy Coffee Cup (Vayikra 11:33), when fly dies in beverage?

Emphatic NO. Clean the cup and move on. That verse is talking about a dead small mammal or lizard falling into a raw (unglazed) clay pot; the clay pot is now ritually impure and can't be made ritually ...
Shalom's user avatar
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4 votes

Do you have to re-tovel non-Pesach dishware after buying it back?

The lubovitcher rebbe discussed this and made a chiddush that tevilah is only required where the non jew had access to the utensils. He also suggested that because of today's manufacturing processes ...
mroll's user avatar
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4 votes

What is the halacha regarding recooking livers?

Answer The raw chicken livers you bought were around more than 72 hours after being slaughtered, hence they could not be cooked after roasting. The roasted livers you found in the store were roasted ...
Danny Schoemann's user avatar
4 votes

What does the term “mohel” mean in Hilchot Melicha (salting)?

Jastrow translates it as secretion: https://www.sefaria.org/Jastrow%2C_%D7%9E%D7%95%D6%B9%D7%94%D6%B7%D7%9C.1?lang=bi&with=Jastrow&lang2=en
Menachem's user avatar
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4 votes

Why do my countertops need to be "kosher"?

As you've said, you'll ask your Rav for a p'sak. The general halacha that I think would apply here is תתאה גבר - the bottom is stronger. So, if you put a hot pot on the unkosher surface, what happens? ...
Rabbi Kaii's user avatar
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4 votes

Where does it say in Halacha that you can double wrap with aluminum and put in traif oven

I found an article by Star-K and one by OU Ⓤ that talk about this issue. Star-K states "If one wants to cook in a treif oven, the kosher food should be double wrapped. That is why kosher airline ...
BID's user avatar
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3 votes
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Is there a minhag or halacha to avoid kashering vessels for Passover and to only use new vessels

You'll find it in the Magen Avraham 451, 6.
Alter Bochur's user avatar
  • 1,469
3 votes

Do you have to re-tovel non-Pesach dishware after buying it back?

Qiẓur Shulḥan 'Arukh - Yalqut Yosef (Yoreh De'ah 120:24) states (my translation): כלים של חמץ שנכללו בשטר המכירה של מכירת החמץ, ראוי להחמיר הטבילם בלי ברכה For Ḥameẓ utensils included in one's Sale ...
Lee's user avatar
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3 votes

Is bleach equivalent to boiling water for kashering?

The basic principal of kashering is that an item becomes kosher by the same process by which it became nonkosher. Thus, an item used directly on a flame (such as a rosting spit or oven grates) must be ...
sabbahillel's user avatar
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3 votes

What does the term “mohel” mean in Hilchot Melicha (salting)?

In modern Hebrew, Mohel means dilution (למהול = to dilute). I think that it means something like that here, too.
Simcha Daniel Burstyn's user avatar
3 votes

Does one need to kasher a pot that is kosher in all aspects except that kosher meat that is not glatt was cooked in it?

You really are asking if blyiot (absorbed particles that get reabsorbed in food subsequently cooked in the same pots) of non-glatt kosher meat are an issue for those eating glatt. The answer according ...
mbloch's user avatar
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3 votes
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Rubber be kashered

R’ Moshe in Igros Moshe OC 2:92 says that rubber made from trees is able to be kashered but synthetic rubber (silicone, etc) can’t, as it is something new that isn’t found in earlier sources
Chatzkel's user avatar
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3 votes
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Do non-glass cups/straws have to be kashered after use?

If the cup is clean of any milk residue, a person who is fleishig can drink from it—and even hot non-milchig beverages—provided that he is not drinking from it during a fleishig meal. If the non-...
malkizedek's user avatar
3 votes
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Seperating gelatin and dairy

From the Star K: As to the question regarding whether hides are considered to be meat, Horav Moshe Feinstein zt”l addressed this issue in Igros Moshe (Yoreh Deah Vol 1 #37). He writes that animal ...
Chatzkel's user avatar
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2 votes

Kasher keilim for chadash?

Among those who only eat yoshon even in the diaspora, some are only strict about the actual food, while others are strict even about the keilim (vessels and implements). Source: Rabbi Joseph Herman, ...
Adám's user avatar
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2 votes
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Kashering earthen ovens

Jews have used various types of earthenware ovens throughout the centuries. Unfortunately, most of these ovens do not translate into English or other languages very well. Also, most of these oven ...
Aaron's user avatar
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2 votes

How to salt a chicken at home?

Something which has actually been skipped is the fact that the water used to wash it and soak it before salting must all be cold. If the meat comes in contact with hot water the halachah is that the ...
Sam Levy's user avatar

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