Kashrut (also kashruth or kashrus, כשרות or כַּשְׁרוּת) is the set of Jewish dietary laws.

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Zimun and Bentsching (Bircat Hamazon / Grace After Meals) with Jews who ate non-kosher food

I came across an interesting situation recently. I was eating with Jewish, non-observant friends. I brought over a hamburger from a local kosher take-out place. They had homemade, non-kosher food, ...
4
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0answers
386 views

Using a non-kosher toaster oven

What is the permissible way to use a non-kosher toaster oven? My thought process was that, when cooking milk in a meat oven, the covering of the dish and the rack makes it acceptable. Would covering ...
13
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2answers
192 views

How big, and what exactly, is “Kedei Kelipah”?

{Kedei Kelipah is a term used in Kashruth for the amount of something that needs to be removed in order to allow one to treat the remnant as Kosher. (This only applies under certain conditions, which ...
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4answers
243 views

Is autocannibalism halachically prohibited?

I was wondering if sucking your own blood or biting at your own scab or otherwise consuming yourself was halachically permissible, since, as far as I can tell, humans are not kosher. Even so, it would ...
7
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2answers
2k views

At a non-kosher restaurant, is sliced raw fish kosher?

At a non-kosher restaurant, is thinly-sliced raw fish kosher? Let's assume one sees the preparer clean the knife and cut from the whole fish. Also, let's assume this raw fish is sashimi — ...
11
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3answers
429 views

Is Okapi meat Kosher?

Is the Okapi a kosher animal? According to its Wikipedia page, it is most closely related to the giraffe, which everyone seems to agree is kosher. A quick Google search tells me that it chews its cud. ...
7
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4answers
286 views

Would synthesized meat be Kosher?

Scientists are preparing synthesized meat for human consumption. See here for a excerpt, and two articles here and here. My question is: Would this meat be considered Kosher? Might it depend on the ...
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2answers
282 views

Kosherizing Water using Distillation

Suppose I have water that was cooked with non-kosher food. I then take the water and distill it. Would this water be considered permissible to drink?
8
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2answers
253 views

Issues with cooking meat and milk at the same time

What issues are there (either potential or inherent) in cooking meat dishes and milk dishes at the same time on the same stovetop (not in the same pot)? Please also compare benefits and problems ...
20
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5answers
656 views

How to respond to “but he does”

I mentioned to my coworker that I can't eat Domino's pizza, not even without meat, as it's not kosher. He pointed out in response that a fellow coworker of ours, whom I'll call Josh, and who is ...
9
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3answers
122 views

Must I check the kashrut certificate every time I visit a bakery or restaurant?

Say I visit a bakery, restaurant, jail, hospital, or nursing home. And say I already know that the food there is kosher. Must I still check the kashrut certificate every time I visit? (Gershon ...
3
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1answer
121 views

Seared Sushi Bishul Yisroel

Certain Sushi require the searing of the fish on the outside. Does this process require a Jew light the torch used to do the searing or is it not required? I have seen that some stores do and some do ...
11
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1answer
192 views

In a bulk food store, must I ask to see the original label every time I return and buy my favorite food?

I know that where I live, some foods don't need kosher certification. But most do. Say I go to a reliable bulk food store, ask to see the original bucket that a certain food came in, see a reliable ...
8
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1answer
335 views

Knife sharpening - can it be done anywhere?

Can you take a Challa knife to any knife sharpener or would you have to Kasher it after it is sharpened? Would there be a difference if it is a meat or cheese knife?
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1answer
330 views

Is Japanese whisky kosher?

Here's an interesting article about whisky produced in Japan. Have any of the Kashrut authorities said anything about whether such whisky requires supervision? Do any such whiskies have supervision? ...
12
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2answers
740 views

If chicken eggs are parve, is caviar considered “fish”?

Chicken is classified as "meat" and cannot be eaten with dairy. Chicken eggs are considered parve and can be eaten with meat or dairy. Fish and meat cannot be eaten together either. Does the same ...
3
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1answer
149 views

Purple/Red Cabbage kashrut issues

Funny thing happened to me tonight. I was buying some falafel and noticed that they did not have any "purple cabbage" (a.k.a. red cabbage) as a side dish option. I asked if they had any in back, and ...
12
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1answer
526 views

Kosher Cheese without a posted hechsher

I live in a remote area of Canada and don't have access to a kosher market to buy cheese. There are many European imports in the local super, and I was wondering if there is a list of cheeses which ...
5
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1answer
81 views

Kashrus Book in Hebrew like Shemiras Shabbos k'Hilchasa

Does anyone know of a good book on kashrus (in Hebrew) that accomplishes for kashrus something similar to what Shemiras Shabbos k'hilchasa does for Shabbos?
8
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4answers
896 views

Who determines the kosher status of “new” foods?

Who determines the kosher status for "new" processed foods (e.g. Jell-O)? A few orthodox rabbis' approval? General consensus by the Jewish religious community? Certain kosher standards organizations? ...
7
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1answer
106 views

Is there such a thing as kosher perry?

This might be too obscure for most people, but I want to put it out there anyway. Perry is fermented pears (sort of a pear cider, if you will - from what I read in Wikipedia, perry produced outside ...
8
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3answers
799 views

Why do some people have a custom to boil only odd numbers of eggs?

I heard that some still have a custom to boil only odd numbers of eggs at a time. I heard that the reason is if there is a blood-spot in an egg, the egg will be Battel Berov. This only explains why ...
7
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3answers
515 views

Can I trust a non-kosher home's coffee pot?

I thought I heard that its ok to use a coffee pot in a non-kosher home, but I could be mistaken. Does anyone know?
3
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1answer
3k views

Reliability of the OKS

I dont know if this type of question is allowed but I was told to ask it here The symbol is on some restaurants in the NY tri-state area (like Crumbs Bake Shop for example) and I have heard of quite ...
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2answers
252 views

Can jews eat unclean animals when blood is removed?

http://www.mechon-mamre.org/p/pt/pt0512.htm Notwithstanding thou mayest kill and eat flesh within all thy gates, after all the desire of thy soul, according to the blessing of the LORD thy God ...
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3answers
617 views

kashrus of mouthwash, toothpaste, lip balm

What are the halachic and factual issues involved in, and various rabbis' holdings on, whether flavored mouthwash, flavored toothpaste, and flavored lip balm need to be kosher, or need a hechsher ...
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4answers
548 views

Do you have to check boiled eggs?

Is it necessary to check hard or soft boiled eggs for blood spots? I've never seen anyone do it, so perhaps it is not, but if so, why?
7
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3answers
112 views

Is there any reason (based on the laws of kashrut) that one cannot brine kashered meat?

On Seasoned Advice, there is a question regarding brining kosher birds. Is there any halachic reason that one cannot brine meat that has already been kashered?
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2answers
504 views

In what way is kosher chicken different from brined chicken?

Over on Seasoned Advice, there have been a number of questions related to the nature of kosher meat and the amount of salt absorbed by the meat. Most recently, In what way is kosher chicken different ...
14
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4answers
608 views

What is the basis for eating in someone's house without a kashrut certificate?

No one asks for a kashrut certificate to eat in someone's house; they just make a rough judgement based on the host's reputation (the way they dress or behave, the circles they move in, etc.). That ...
12
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2answers
6k views

Is there a problem with Triangle K? If so, what?

I want to know what the OU's or any other Orthodox kashrut agency's problem is with Triangle K. I have read about the Ralbag family which founded and runs the Triangle K and they are clearly Orthodox. ...
5
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1answer
127 views

What are the kashrut standards of the various nationwide (and regional) kashrut agencies?

I'd like to see a resource developed which transparently compares the standards of the various kashrut agencies. Just like I can retrieve an incredibly in-depth comparison chart from Wikipedia ...
2
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1answer
272 views

Does cheese without a hekhsher tref dishes?

I've heard that Rav Soloveitchik ztz"l used to eat non-hekhshered cheese. Can you explain how the creation of hashgachah agencies has changed whether things need hashgachah, and would it be reasonable ...
3
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2answers
128 views

Why do we use a tight heuristic for fish egg kashrut and not trust supervision?

I recently listened to this podcast from the OU Kashrut Division on the kashrut of Bowfin eggs in particular and of fish eggs in general, and I learned something interesting about the kashrut of fish ...
8
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4answers
279 views

If a product with a Hechsher doesn't say dairy does that mean it's pareve?

I'm not sure when this practice started, but I noticed that many/most/all Kosher Certifications indicate whether a product is dairy or not. Does a lack of such a marking indicate that the product is ...
8
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5answers
410 views

Which Kosher Certifications are trusted by all?

There are many hechsheirim in today's world, but unfortunately, not everyone considers all of them to be on par with their standards. Nonetheless, I am assuming (and you may correct me if I'm wrong) ...
5
votes
4answers
203 views

Unsupervised meat and closed restaurants/butchers

How does Basar SheNith'alem Min Ha'Ayin (meat that has disappeared from view) apply vis a vis restaurants/delis/supermarkets/butchers that have closed for the night/weekend/holiday? I was just ...
13
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3answers
457 views

Is Pork, Camel, and the like Fleishig?

If one somehow consumed meat of a non-kosher species such as camel or pork (e.g. life-threatening illness, or by accident), does s/he become Fleishig? Why or why not?
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0answers
88 views

Can I use Bounty to drain my food? [duplicate]

Possible Duplicate: Kashrus of Paper Towels Using paper towels such as bounty can be very useful when on a diet for draining the oil off of foods. However, I heard rumors that bounty is ...
8
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1answer
116 views

Animals vs. plants: kashrus

Why did God make all plants, but only some animals, kosher? Sources, please.
11
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4answers
414 views

Gentile owned and operated Kosher establishment

Are there any restrictions or limitations for a gentile owning and operating a kosher establishment? Are there any limitations or restrictions for Jews patronizing such an establishment?
9
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2answers
460 views

Does a pot that cooked food with a bug in it need to be kashered afterward?

If one were cooking a pot of pasta or a soup and later found a bug or many bugs in the pasta or soup, would the pot need to be re-kashered after it was thoroughly cleaned?
7
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1answer
111 views

Pharmaceuticals and Kashrut

To what degree does medicine need to be kosher (not regarding pesach)? Most medicines are a random series of active ingredients with little meaning to the non medical professional - but what about ...
2
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0answers
101 views

Resources for the Kulot (leniencies) that the Rabbanut in Israel Takes [duplicate]

Possible Duplicate: Mehadrin vs. Non Mehadrin I am preparing a chabura on the leniencies that the Rabbanut in Israel takes. With the understanding that the various Rabbanut branches around ...
4
votes
1answer
199 views

Does consuming raw meat make one Fleishigs?

If one is making meat, and while the meat is still raw licks his/her fingers, does s/he become Fleishigs (to wait the appropriate amount of time before eating dairy)? Essentially if we boil (excuse ...
7
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3answers
760 views

How much does one have to eat to become Fleishigs?

Is there a minimum amount of meat or chicken required to be eaten in order to change one's status to being "fleishig" (i.e. so that he would have to wait before eating dairy)? [same question can be ...
13
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1answer
373 views

What is the meaning of psak?

I have asked many people this question, and not yet got a comprehensive answer: What is psak? Like, let's say I have a certain piece of food of uncertain status. If I ask my 6 year old kid if it's ...
7
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2answers
444 views

Do besamim (spices) for Havdalah need to be kosher?

Suppose there is a pack of mixed spices that does not have a reliable hechsher, but looks like it would be good for besamim. Would it be OK to use them for havdalah since you have no intention of ...
12
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5answers
13k views

What Issues Exist with the Tablet K Hecksher?

The Tablet-K hechsher is quite common on products in US supermarkets - especially cheeses. There seems to be a strong sentiment that it is not an acceptable hechsher, but I've heard no halachik ...
15
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4answers
517 views

Does a Food Mashgiach have to Sacrifice his Life?

Suppose a Mashgiach of a food establishment is threatened to "keep quiet" about some of the questionable behaviors [for purposes of the question, consider both actual non-kosher, and possibly ...