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Questions tagged [kashering-kosherization]

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1answer
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Kashering glass used for hot food (Askhenazi custom)

Dears, I am a little lost on the topic of kashering the glass. I read there is a custom not to kasher glass (for the Askhenazi), but I also read they do kasher glass. Some just by washing it, some by ...
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0answers
46 views

Why does the Chumash wait until Mattos to discuss the laws of Kashering vessels?

The main place the Chumash discusses laws of Kashering is after the war with Midian. One of the explanations I've seen is that this was the first battle where they captured items from a country which ...
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52 views

Choosing a microwave oven (e.g.) for ease of kashering

As far ask I can tell, I have a new twist on the already abundant microwave oven literature here at Mi Yodeya. So please be not quick to mark this question a duplicate. My question is this. I am ...
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3answers
253 views

A drop of milk gets into the chicken soup, can one still eat the soup? [closed]

I think it has something to do with the 1/60 rule but I don't know what that is.
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15 views

What methods can be used to kosher meat besides salting and roasting? [duplicate]

There are several people I know that are on a strict no-salt diet. The only method to make meat and chicken kosher without salting that I know of is roasting. This method is limiting. Not everyone ...
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1answer
1k views

Can one “pickle” meat to make it kosher?

Most of the meat koshering processes that I have read say that one should salt the meat and put it on a board to let the blood drain out. Then, you rinse off the salt. I'm wondering if the salting ...
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2answers
97 views

Source for Hiding or Locking Away All Non Passover Vessels

Bit of a debate with someone. I never saw my Sephardic family make a special room to lock away all chameitz dishes. Shulchan Aruch Orach Chaim 451:1 Ceramic dishes that have been used for hametz ...
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1answer
56 views

May One Kasher Utensils During Pesach?

Let's say someone has planned to be away from home during Pesach but finds out that his trip will be ending early and he will be home and needs to cook in his house. Can he kasher his utensils during ...
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Please help a new giyoret kasher her kitchen [closed]

Okay so I've done quite a bit of reading on how to kasher, on what items can and can't be kashered, and how to maintain a kosher kitchen. I have an appointment with my rabbi to come over and help with ...
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1answer
225 views

Kashering non-Kosher meat + “minimizing a transgression”

Halacha has a strong tradition of "minimizing a transgression" when doing something forbidden, for example taking the shortest route possible when driving on the Sabbath. Applying the same logic, ...
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1answer
74 views

What is the status of water used for Kashering?

If one kashers a pot by boiling water in it (and throwing rocks in so it overflows) or kashers silverware IN a pot, what is the status of the water afterwards? [I see that water can acquire some ...
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2answers
277 views

Order for tevilah and kashering

This is an extension of this question. If one purchases used keilim from a non-Jew which would require both tevilah and kashering, which order is prescribed: tevilah then kashering or kashering then ...
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1answer
103 views

Kashrut of second-hand silverware

Note: I've just emailed my rav to request a psak, this question is purely to explore the halachic background of the issue. Does second-hand silverware require both tevilah and kashering? If one is ...
2
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1answer
220 views

Does toasting Thomas's English Muffins make that toaster dairy?

Thomas's English muffins contain whey from a dairy source. Does toasting the muffin make the toaster dairy? Concern: Is the amount of dairy in the muffin less than 1/60 of the ingredients?
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1answer
80 views

What is the halacha regarding recooking livers?

Years ago, I would buy a box of raw chicken livers and roast them myself. On the box, there was a note that said that once roasted, it could not be recooked. Recently, I found already roasted livers ...
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3answers
128 views

does kashering require the vessel to be unused for 24 hours (ben yomo)?

If someone is going to be kashering via hagala or by libun does the cleaning of the items prior to kashering require the vessel or utensil also be left unused for 24 hours? If yes, why?
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0answers
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Can Microwaves ever need Libun?

Very often microwaves have food splattered all over them. If the oven were to need to be Kashered would the spots that had food on them need Libun since they absorbed food directly (without a liquid ...
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2answers
78 views

Kasher keilim for chadash?

If one holds that chadash is assur chutz l'aaretz (or is in Israel), and accidentally cooked a chadash product, would the taam of the chadash that is absorbed in the keilim be a concern, and would you ...
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0answers
856 views

Kosher or not: hind-quarters of sheep & cow?

Would some kind person advise me on the Halachic status of the hindquarters of a sheep or cow for kosher consumption on the table. It is my understanding that a leg of a lamb, for example, may be ...
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0answers
39 views

What parts of an animal require kashering prior to eating?

I assume that the reason for koshering meat is to get rid of the blood. If that is the case, if someone eats gribenes, which are fried chicken skins, do the skins need to be koshered? What if one ...
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1answer
53 views

Kashering earthen ovens

I see that people still make earthen ovens, however, before making one I want to see if it theoretically can be kashered. I know that earthenware vessels cannot be kashered (I heard that it has to ...
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1answer
265 views

If I left my kitchen under the control of someone who is a Gentile or not Shomer Shabbos, is it still kosher?

If I left my kitchen (or set of kosher dishes, etc.) with someone who is a) not Jewish or b) Jewish but not shomer Shabbos--in such a way that they could access it and hypothetically do anything they ...
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Can you use a not kosher knife sharpening stone/wheel [duplicate]

I learned the the sharpening stone kashers the knife But are there any sources regarding the use of a sharpening stone/wheel that was used for non kosher knifes (possibly used even when dirty knives)...
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1answer
84 views

Is bleach equivalent to boiling water for kashering? [duplicate]

It is indicated by rabbinical authorities to kasher utensils by dipping them in boiling water. This is because boiling water kills bacteria and yeasts, and removes absorbed flavors. Bleach can do the ...
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0answers
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Koshering canning jars

If someone cans using Ball brand glass canning jars (and new lids are used every time, so nothing to worry about with those), In the normal canning process, the jars are boiled to sterilize them prior ...
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0answers
122 views

Kashering a stove

The common custom I have noticed is for people to use the same stove top for meat and dairy. However, people also claim you need to kasher a stove top before use. How are these two positions not ...
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1answer
124 views

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

I understand that glass and ceramic are not kasherable but they still are by far the most convenient and least expensive materials for dishes and cups. If these vessels were purchased new-in-box, it ...
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0answers
111 views

Kashering a kashering pot

My family, after boiling water and pouring it into the sink to kasher the sink, then reboils that pot and causes it to overflow in effect kashering itself. Is there any source to be required to do ...
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1answer
159 views

How do you kasher your teeth?

A Pesach preparation guide tells me to kasher my teeth on Erev Pesach. How on earth does one do this?
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3answers
300 views

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

"Utensils which are bought from a non-Jew, even if they are brand new, require immersion in a kosher mikveh." --From Weekly Halacha: Selected Halachos Related to Parshas Vayera by Rabbi Doniel ...
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1answer
66 views

Is there a minhag or halacha to avoid kashering vessels for Passover and to only use new vessels

I was told by my father that we follow the minhag not to kasher vessels for paisach but to buy new ones I asked a Rav, the Rav said there is no such minhag, no reason to avoid kashering even when ...
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1answer
543 views

What is the function of covering the stove top on Pesach?

It appears to be a universal Ashkenazi custom to cover the area of the stove top between the burners, underneath the grates with aluminum foil. (The grates and burners and cleaned and kashered.) ...
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2answers
273 views

Kashering and tevilas of corkscrews

Do they need to be Kashered? Toiveled? If yes to #1, how? One potential issue with not kashering a corkscrew is that it could have had contact with non-kosher wine. I'm not sure whether it would ...
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2answers
94 views

Kashruth of Terra Cotta

What are the halakhoth regarding unglazed terra cotta flower pots? Does it absorb? Can it be kashered, and if so, how? Sephardic rulings preferred, but will take any sources.
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kasher a nonkosher Le Creuset pot? [closed]

I have several Le Creuset pieces - Dutch ovens and casseroles - that I inherited. They have not been used for 15 years, but definitely were used for non-kosher cooking; it's safe to assume they might ...
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0answers
64 views

Can non-food be treyf?

If I placed my kosher food on a non-kashered surface that I knew had never been used for food, is my food still kosher? I would be interested in whether there could be concerns of bugs--but that is ...
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2answers
183 views

Can one kasher anodized metal?

Anodized metal is metal with an increase in the thickness of the natural oxide layer on the surface of metal parts. Is there any issue kashering it, or is it basically like metal with a layer of rust ...
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2answers
309 views

Does a kosher pot become non-kosher after you kasher utensils in it?

I'm kashering a number of non-kosher, metal utensil with a kosher pot. If heat is a mechanism through which things can become non-kosher, does kashering my utensils in the pot (via Hagalah) make my ...
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3answers
274 views

How many degrees of separation from food does one have to kasher?

I understand that the sink, the dishwasher, and sponges, etc. all need to be kashered, presumably because they touch things (plates, utensils) that also touch food. But how many degrees of separate ...
3
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1answer
193 views

In kashering, can you leave utensils eino ben yomo *before* cleaning?

As I understand, the first step in kashering a kitchen is to thoroughly clean everything and then leave it untouched for 24 hours (eino ben yomo). Would it be technically permissible to clean the ...
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2answers
151 views

Prior to placing the meat on the altar in the Temple, was it “kashered”?

Perhaps, I may be overlooking something trivial, here. Store-bought meat is salted and soaked to drain the blood, prior to it being packaged and sold to the consumer. Was something like this done in ...
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2answers
220 views

Cholov Yisroel “Kashered”

So I was eating one of my favorite meals -- a bunch of peanut butter and cheese sandwiches, and to pass the time, I looked at the package of cheese. It is "Natural and Kosher" by Anderson ...
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3answers
3k views

Using Dishwashers for both Meat and Milk

Can one use a dishwasher to wash both meat and dairy dishes, either simultaneously or consecutively? What about pareve dishes?
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1answer
108 views

When koshering meat by roasting can I put pepper

What are the Ashkenazi and sifardi customs when kashering meat by roasting if it is permitted to use salt and/or other spices?
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0answers
66 views

Roasting unsalted meat

What are the customs in the process of making meat edible by removing the blood through roasting? Specifically after the roasting do I need to wash the meat to eat it (not to cook it afterwards)? ...
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0answers
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Does one need a new toothbrush for Pesach or can he scrub his current toothbrush in Listerine?

Must one necessarily use a new toothbrush for Pesach on can he soak the toothbrush and scrub it in Listerine? AFAIK, Listerine is KP, based on what I saw fairly recently, on I think, Star-K site. ...
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1answer
890 views

Can an induction hob be kashered on Pesach?

Induction cooking involves an alternating magnetic field in a coil underneath a smooth glass/pyrex surface. This alternating field induces eddy currents in an iron pot placed on the hob. In turn, ...
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0answers
197 views

Sephardic Halakhoth for Kashering a Sink

Moving into a new place, the previous tenant was not Jewish, and the sink is made from porcelain. i know that Hacham Ovadia Yosef Zal allowed Sephardim to kasher a porcelain sink for Pesach by using ...
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1answer
179 views

Possibility of buying treyf meat in a kosher store

Since meat may be sold to a consumer before kashering and traiboring, it is possible that parts of meat obtained from a kosher store may not be kosher.* Ordinarily, one could guess whether the meat ...
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2answers
108 views

Earliest sources for the hot-rock method of hagalah

What is the earliest source explaining how to do hagalah? What is the earliest place we see detailed instructions for the hot rock method as opposed to the clay/dough method? To elaborate: If you ...