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 ...
9
votes
Accepted
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, ...
8
votes
Accepted
Kashering and tevilas of corkscrews
The Kof-K list of tevila instructions says that, according to the OU, Star-K and CRC, a corkscrew does not require tevilah because it does not touch the food. The Star-K confirms. And so does R Forst ...
8
votes
Accepted
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 ...
7
votes
Accepted
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 ...
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 ...
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.
6
votes
Accepted
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 ...
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.
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. ...
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 [=...
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 ...
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 ...
5
votes
Accepted
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 ...
4
votes
Kashruth of Terra Cotta
terracotta is the same as any unglazed earthenware vessel. It absorbs the non-kosher material but cannot ever have it removed.
Kashering dishes
/Leviticus 6:21 says, “And the earthenware vessel in ...
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 ...
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 ...
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
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? ...
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 ...
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 ...
3
votes
Accepted
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.
3
votes
Kashering and tevilas of corkscrews
The response of mbloch is perfect. I just want to quote 2 statements taken out from Gemara Avoda Zara 75B (I elided everything not directly concerned with the question)
1.
כלי סעודה אמורין בפרשה&...
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.
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 ...
3
votes
Accepted
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
2
votes
Accepted
Toasters in motels / cabins
Per the OU website discussing "Kosher Food in a Non-Kosher Office" one should not use a bread toaster and should assume it is not Kosher.
Q. The lunch area in our office has a can opener, peeler,
...
2
votes
Kashering enamel-ware
My understanding is, if you follow Ashkenazi Orthodox halachah, you can't kasher enameled cookware, because you can't kasher glass. Ashkenazi law holds that glass is earthenware, and absorbs non-...
2
votes
Does a kosher pot become non-kosher after you kasher utensils in it?
If it's past a day, I believe the kashering pot is fine without soap. If the treife utensils were used within a day, that is a different story.There are some caterers who have boiled treife tensils in ...
Only top scored, non community-wiki answers of a minimum length are eligible
Related Tags
kashering-kosherization × 126halacha × 68
kashrut-kosher × 55
passover × 14
meat × 12
meat-and-milk × 10
appliances × 10
chametz-leaven × 7
water × 6
tevilas-keilim-dipping × 6
technology × 5
how-to × 5
sources-mekorot × 4
food × 4
parts-of-the-body × 4
cleaning × 4
blood × 4
keilim × 4
dairy × 3
salt × 3
parshanut-torah-comment × 2
gentiles × 2
time × 2
korban × 2
science × 2