Kashrut (also kashruth or kashrus, כשרות or כַּשְׁרוּת) is the set of Jewish dietary laws.
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Timtum Halev not b'derech achila
Does the notion of Timtum Halev -- dulling of the heart (spirutal damage) which Rabbeniu Bachaye explains in Vayikra 11:43 -- apply when the non kosher food was put in one's body without doing it ...
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Is swordfish Kosher?
What's the deal with swordfish? Is it Kosher? Which sources say yes, and which sources say no?
EDIT: I know that R' Dr. Moshe D. Tendler is well known for having consulted with scientists (in 1951) ...
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why create non kosher animals?
why did hashem create non kosher animals, was it to tempt us and see if we would control ourselves?
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Why do Fish not need Shechita?
In order to eat "regular" Kosher animals, there is a requirement for the animal to undergo Shechita (ritual slaughter). If an animal were to be killed / die without Shechita it is forbidden to be ...
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Are Animal Crackers depicting non-kosher animals non-kosher?
Are animal crackers that depict animals such as swine, lions, and camels treif?
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Where is the story of the medieval rabbi who ruled a fish was non-kosher because of his dream?
If I recall correctly there's some fish whose kosher status is questionable; a medieval rabbi (Rishon) ruled it was okay, then had a dream that night where all his students were sitting around and ...
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Orthodontics and period between eating fleischig and milchig
Since orthodontics often impose many artificial little crevices and wires and generally make one more susceptible to having bits of food stuck in the mouth for extended periods of time, is it ...
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Am I still Fleishig? When did we eat?
I'm sure this happens many times in a Jewish home on Shabbos: It's Shalosh Seudos time and there's dairy to eat, except no one remembers exactly what time the Shabbos meal took place.
So, my question ...
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Milk and Meat of Non-Kosher Animals
Is cooking milk with non-kosher animals the same problem as cooking meat with kosher animals?
In other words: can a Jew cook milk with a non-kosher animal (and not eat it)? Can a Jew obtain benefit ...
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Waiting Less Time on Shavuos
My family has a minhag to wait less time (3 hours as opposed to 6) between Meat and Milk on Shavuos. I was wondering if this has a written source?
[or if not, has anyone else heard of it?]
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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 ...
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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 ...
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Gigantic Tiger Fish - Is it Kosher?
Is this fish Kosher? It apparently has both fins and scales. Is there any problem with its having teeth, or its not having been discovered until now (and therefore being outside of our Mesorah)?
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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 ...
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Timing of the Commandment of Gid Hanashe
The Torah mentions, after the story of Yaakov getting injured in Parshas Vayishlach,
that we do not eat the Gid Hanashe for this reason.
The Meforshim seem to concur that this mitzvah was included in ...
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Leniencies for someone keeping Kosher in a non-Kosher home
My family is not frum, but they do not eat non-kosher meat at home, although they do eat other not-certified-kosher products, including cheese. They don't mix meat and milk, but they do wash meat and ...
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Is one allowed to eat foods that were grown from non-kosher materials?
There is a known story of how one time a person brought a giant carrot on Erev Pesach to the Belzer Rebbe (back in Europe) for Karpas. After the donor left, he said "burn it with the Chometz". As the ...
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Hagala for a new pot
I know that there is a halakhic necessity to tovel a new pot. However, has anyone ever heard of the halakhic necessity to do hagala on a new pot?
Reason for asking was this.
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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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Brands of KFP peanut butter in the US
Does anyone know which brands of peanut butter are Kosher for Passover in the US? Alternatively, I have heard that there is a list for Sepharadim of KFP products that contain Kitniyoth. Can someone ...
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Online resources for KFP products
Does anyone have a reliable list (or lists) of Kosher for Passover products that is (or are) available online?
{There are several that I've used in the past, but they seem to be cut off in their ...
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Is Rum Kosher for Passover?
Specifically, is Bacardi Superior Original Premium Rum kosher for Passover? The label doesn't say so, nor does it say that it's kosher in general for that matter, but since it has a sugar base, ...
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Why doesn't the OU put DE on food packages anymore?
The OU used to put DE next to the OU symbol when a product was Dairy Equipment. Such a product can not be eaten with meat but can be eaten right afterwards (you don't need to wait the amount of time ...
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Is it OK to eat non-certified-as-kosher sushi?
I've heard the argument that since everything in sushi is raw (assuming there are no non-kosher ingredients), and that since the rice is cooked in a rice cooker that is used only for rice, it's OK to ...
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What makes something chametz?
Can I a recipe that uses flour but not water?
As kids, we all learned that if the water and the flour touch for more than 18 minutes, then the matzo is chametz.
When 20 ingredients are combined, ...
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Permissibility of making Matzah by frying
Does anyone know of an opinion permitting Matzah to be cooked in a skillet(instead of being baked in an oven), and if so under what circumstances?
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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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Can Whole Fruits or Vegetables Have Non-Kosher Additives?
Many (perhaps all?) fruits and vegetables grown these days contain various "other stuff" such as pesticides and protective coatings.
I suppose that fruits whose peels are removed do not pose a ...
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Does kashrut depend on peah, leket, etc?
I understand that if a crop in the Land of Israel does not have the trumot and maaserot properly separated, then the produce is tevel and cannot be eaten (until it is done).
But that made me think of ...
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Can you drink a beer (such as Miller or Budweiser) at a bar?
Can you buy and drink a beer (such as Miller or Budweiser) at a bar owned by non-Jews?
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Is there a kashrus issue with paper towels?
Is there any concern about using paper towels with hot food? I know there are some who advise against using the first few and last few sheets during Pesach, due to the presence of starch-based glue ...
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How can people drink 7-11 Slurpees and soda?
There is no real Hechser on 7-11 Slurpees. How do people drink them? Is going on the Star-K's list okay? What about soda from the machine? I found that 7-11 switches the spouts sometimes. So even if ...
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Must I warn people about an untrustworthy restaurant?
What is my obligation to warn fellow kosher observant people about a Restraurant that is claiming to be "Glatt" Kosher, when in fact it has no Rabbinic Supervision at all and the owner's religious ...
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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 ...
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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. ...
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Bishul Akum: now what?
What is the kashrus status of a pot if the food cooked in it was Kosher, but cooked by Non Jew? Is the pot kosher or not?
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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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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 ...
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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 ...
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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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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?
...
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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 ...
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Can a female be a Shochet? (slaughter animals)
Can a female slaughter animals according to Halacha? (sources)
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Mehadrin vs. Non Mehadrin
What's the difference between mehadrin and non-mehadrin certifications.
(e.g. at http://www.kosherinjerusalem.com/where_to_eat/kosher-hotels)
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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 ...
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asking to see a kashrus certificate
A restaurant has a sign on its window, or a notation in an advertisement, indicating that it's under the kashrus certification of Rabbi So-and-so or Agency Such-and-such. The first time someone walks ...
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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 ...
