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 ...
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9 votes

Using Dishwashers for both Meat and Milk

Rav Ovadia Yosef permits meat and milk dishes at the same time if there is soap in the initial wash, but prefers that one only run them in separate cycles, as, he reports, does his son Rav Yitzchak ...
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9 votes
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Dishes were used without tevilat keilim; can one just do tevila now or is something else needed?

Only kelim (vessels) which absorbed issur (forbidden substances) need to be kashered. A kli which may have issur stuck to the surface, but not absorbed should be scrubbed. Keilim which were only used ...
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8 votes
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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 ...
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8 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, ...
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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 ...
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7 votes

Can rags and oven mits become non-kosher or be kashered?

I am going to take the liberty of assuming rags and oven mitts are not any different than table cloths. I asked the Star-K about kashering table cloths for Pesach, and was told that a table cloth can ...
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7 votes

plastic utensil absorption and kashering

This question is dealt with by Dose of Halacha: R’ Yechiel Yaakov Weinberg (Seridei Aish 1:46) writes that the acharonim are lenient regarding plastic and such utensils may be kashered through ...
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  • 6,097
7 votes

Kashering frozen meat

Rabbi Kaganoff quotes the following authorities and their rulings. Minchas Yaakov Responsum #14 at end quoted in Be'er Hataiv 69:8, Pri Megadim Sifsei Daas 69:60 both say that frozen meat may only be ...
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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 ...
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6 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 ...
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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.
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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 ...
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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.
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5 votes

Using Dishwashers for both Meat and Milk

Igros Mosheh Yoreh Deah Orach Chaim 1 siman 104 & Yoreh Deah 2 siman 28 & 29 says you can use a dishwasher for both meat and dairy immediately one after another, but only when you have ...
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5 votes

Kashering with a potted plant

You might be referring to the practice of thrusting a knife into dirt 10 times as part of kashering. I will cut and paste some posts I found on the subject from http://www.imamother.com/forum/...
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5 votes

Grill used for neveilot

The Shulchan Arukh rules (OC 451:4) that a vessels used on a fire like a skewer or grill need to be heated up until sparks come off of them in order to kasher them. My understanding is that this is ...
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5 votes
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Prior to placing the meat on the altar in the Temple, was it "kashered"?

Any meat that was burned on the altar was dipped in salt and then put straight on the fire. It was unrelated to the laws of kashering, as we also put straight blood on the altar! For instance Rambam ...
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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. ...
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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 [=...
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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 ...
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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 ...
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4 votes

Do all poskim hold libun can not be done to a bbq?

I have spoken to Rabbi Yirmiyahu Kaganoff of Neve Yaakov Jersusalem and he told me to leave to BBQ on high with the lid closed for 15 minutes, even if the grate does not get white hot
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4 votes
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Cholov Israel microwave

The details of this kind of question are discussed in the Shach Y.D. 119 s.q. 20. The upshot is that no, it is not OK. Only if someone were microwaving food for a group and a person happens to partake,...
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4 votes
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Possibility of buying treyf meat in a kosher store

I don't really know what the situation in other countries in, but for a very long time, the only meat sold in stores in America has been soaked and salted. Even if a kosher-labelled piece of meat has ...
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  • 18.7k
4 votes

Can an oven be kashered without a torch soon after use?

You might be thinking of a self cleaning oven. The self cleaning cycle is sufficient to kasher it. Non self cleaning ovens may be kashered by running at the highest setting for a set period of time. ...
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  • 41.9k
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 ...
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  • 41.9k
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 ...
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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 ...
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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
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