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

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Off the Derech Parent [closed]

In what instances to kibbud av v'em apply to a parent who has become less religious? For example, of the following points, which battles are worth fighting? Kashrut Shabbat Chaggim tzniut As ...
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How to keep kosher in a non-observant household

Many Baalei Teshuvah (returnees to Judaism) confront various conflicts regarding their interactions with non-observant family and friends. A big one, which has not been discussed here (AFAIK), is ...
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If a restaurant is already halal, how much more work is it for them to become kosher?

There is a middle-eastern restaurant1 (independent, not chain) near my workplace that my coworkers think highly of. Today I learned that it is halal (some info about what that means), which got me ...
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Am I allowed to enjoy the smell emanating from a non-kosher place that cooks using milk and meat mixture?

I know that one cannot gain "Hana'ah" from meat and dairy mixtures. I understood the term "hana'ah" to mean "pleasure" or "benefit". My neighbor makes wonderful-smelling Italian cooking. The smell ...
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Do multiple hechsherim (kosher symbols) on a product make its kashrut less reliable?

A former rebbe whom I highly respect advised me not to eat any food product that has more than one kosher certification on it. His thinking was that in principle, the concepts of kashrut and achdut - ...
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Is pasteurization an adequate stand-in for something being mevushal?

I have a bottle of Lakewood Organic Concord Grape Juice. It is certified by Kof-K as pareve and kosher for passover. However, I cannot find anything on the bottle that would indicate it to be ...
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Was the honey that Samson ate from the lion kosher?

Was the honey that Samson ate from the inside of the lion (Judges 14:8-9) kosher? There are two premises to my question: 1) The derivation that bee's honey os kosher is from the Talmud, which, ...
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Is honey extracted from a dead bee kosher?

Bees themselves are not kosher, but their honey is. The honey is taken from the hive. If I found a bunch of dead bees and I cut them open and extracted the honey from the body, can I eat this?
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The levels in kashrut

If a piece of a biblically forbidden food (such as a piece of pork), falls into a bowl of meat. We all know the rule, it's batul bshishim. How about a piece of food which is only rabbinically ...
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Why don't kashrut agencies mark on certain cheeses that one must wait 6 hours?

While shopping for Shavu'ot, I noticed that the caterer had marked on their eggplant rollatini "made with 6-hour cheese". I was pleased that they did this, as I had never seen this marking, ...
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Why can't we use products in food that are a דבר מעמיד

מסכת עבודה זרה, דף לה עמוד ב explains how if one curdles milk with the sap of leaves from an orlah tree, the cheese is permitted. The reason is because the leaves are a separate entity from the ...
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Why did they stop packing the gizard, neck and liver inside the chicken cavity?

Why did they stop packing the gizard, neck and liver inside the chicken cavity? I think this practice stopped about 25 years ago. When I was a novice cook, I didn't know that I had to first take out ...
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87 views

Can a sefaradi eat fish with butter?

I heard that it is permitted for a sefaradi to eat fish with butter but not with any other dairy products. Is this a valid statement?
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Difference between eiver min hachai for Jews and Noahides

Both Jews and Noahides are forbidden to eat aiver min hachai (a limb torn from a live animal). Is there any difference between the prohibitions for Jews and non-Jews?
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Can I use a Keurig coffee machine if someone else has used a non-kosher “pod”?

My office has a Keurig machine. They work by inserting small plastic cups, called "pods", that contain coffee or other items. As I understand the machine's mechanism, hot water drips through the pod ...
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What is the point of a hechsher on Cholov Stam?

I assume that the widespread custom of eating/drinking Cholov Stam products (products using milk in which the milking was not observed by a Jew) is relying on the leniency of R' Moshe Feinstein that ...
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Slaughtering with a machine

May one slaughter kosher animals with a machine? I don't mean to ask this question about restraining animals, what I want to know is if one may use a machine to actually make the cut, to actually ...
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Are spices or produce required to be “glatt kosher”?

At home, I have a jar of Pereg oregano that says "glatt kosher" and parve. Am I missing something? I thought "glatt" applies only to meat. If so, how can something be both fleishig and parve at the ...
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Does a mashgi'ach revoke a store's hashgacha when health department finds insects?

The city health department has cited a kosher restaurant as having violations because they found mice and insects crawling on the food in the kitchen. Since mice and insects are non-kosher, I'm ...
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Is kopi luwac (civet excreted coffee beans) kosher?

Kopi luwak , or civet coffee, refers to the seeds of coffee berries once they have been eaten and egested by the Asian palm civet http://en.wikipedia.org/wiki/Kopi_Luwak Is it kosher because they ...
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Halibut scales - how to identify them?

We picked up some halibut for Pesach directly from the packer. This fish has not had the skin removed. The box clearly was sealed with the O-K. But my wife was uncomfortable that we could not find the ...
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Can vegetables/fruit be uncheckable?

There are differences in 'bug checking strategies' for different countries due to differences in bugs, pesticides, harvesting and packaging techniques (etc.). In Israel, I have recently encountered ...
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Is eating veal permissible?

I once heard that Rav Moshe Feinstein forbade eating veal due to Tzar Balei Chayim. Is it true? If yes, is anything different in the way veal is farm raised nowdays?
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Per Sepharadim, is Almond Breeze permissible immediately after meat?

Almond Breeze is described by its manufacturer (Blue Diamond) as being "dairy free [and] made on heated equipment also used for dairy products". The manufacturer also "uses stringent equipment ...
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Keeping Kosher and Leather

I would like to ask a question regarding something I am quite confused by. Why is it okay to wear leather from an animal slaughtered not in a kosher fashion yet you cannot eat that animal's meat? To ...
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Can a hot water urn that is used throughout the year be used for Passover?

Can a hot water urn that is used throughout the year be used for Passover? If not, what is the reasoning why, if it is only used for water (i.e., not coffee). Would the same reasoning hold for a ...
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Does halakhah forbid Jews from eating pets that die naturally?

Suppose you keep a goldfish in your house. One day, it dies. Assuming that it has died a natural death (that is, you didn't intentionally kill it), is it kosher to eat this goldfish?
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Poskim who hold chalita is necessary?

Are there any famous rishonim or achronim (outside of Yemen & besides the Rambam) who hold doing chalita to meat is necessary?
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Hechserim on Matzos [closed]

There are matzos with circle U (O.U.) and matzos with circle K (O.K.). We want to keep high standards. Please tell us do these hechsherim have high standards? Does one of them have Higher standards? ...
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Contradictory Hechsherim

I've noticed for some time that, especially on imported foods, there are often multiple Hechsherim, and that they sometimes contradict one another. It might not surprise me if a foreign product were ...
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Batel b'shisim on a large scale

Suppose someone is making a huge 50-gallon vat of cholent. Accidentally, an entire bag of milk breaks and spills into the cholent. There is more than 60x as much meat cholent as there is milk, so the ...
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Kashering by Placing in a Self-Cleaning Oven

I think I remember learning once that one can kasher something that requires libun (e.g. a pan or cookie tray) by cleaning it and putting it in a self-ceaning oven. Is this true? If so, it sounds much ...
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Self-Cleaning an Oven to Kasher If Food Residue Remains

From http://www.chabad.org/library/article_cdo/aid/623729/jewish/How-do-I-kosher-an-oven.htm: "If your oven is of the self-cleaning variety, koshering it is fairly simple. All you need to do is ...
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Kashering a Hard to Clean Pot

Is it possible to kasher a pot that has areas that are hard to clean, for example the rim? Is there anything one can do to these areas if they can't be completely cleaned out that will allow the pot ...
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Kosher Lotus Spread [closed]

Lotus spread (see: http://www.biscoff.com/indulge/biscoff-spread) is a European cookie spread that I've seen in Israel and the US, in the former with a hechsher and in the latter without one. Does ...
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Do restaurants need a kosher certificate?

There is a concept of "Eid echad ne'eman b'issurin" which means if a person testifies on something that is questionable we believe him. An example would be regarding kosher: if I go to a friend's ...
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How long can יוצא ונכנס be?

In regards to kosher supervision, what is the largest single gap that a mashgiach can leave the premise and still be considered practicing יוצא ונכנס?
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What conditions would render plants non-kosher?

Under certain conditions, I know that uncontaminated (e.g. no insects / meat, etc) plant-based foods are prohibited (ie., non-kosher). Examples I can think of include: Non-kosher wine Chometz ...
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Is it kosher to eat live fish

In some countries people like to eat animals that are still alive (e.g. dancing squid / octopus). Clearly these animals are not kosher, but it is also possible to eat kosher-types fish that are either ...
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621 views

Is whisky matured in a sherry cask Kosher?

Is whisky matured in a sherry cask Kosher? I know there is a Machlokes about this. Who holds what?
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112 views

Can non-kosher meat be eaten with fish?

The prohibition of mixing meat with milk and of deriving benefit from their mixture concerns only kosher meat (Hullin 8:4 [113a]; Hilkhot Maakhalot Assurot 9:3; Yoreh De'ah 87:3; etc). As such, it may ...
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Noachide Dietary Restrictions

Noachides are not commanded to keep Kosher but we do know the sixth commandment given us is "The prohibition of eating flesh taken from an animal while it is still alive" can someone clarify (Not give ...
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Where can I find the concept of Davar ma'amid in the Gemara

Where in the Gemara does it talk about the concept of a Davar ma'amid in length regarding kashrut
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May a person order food from a vegan restaurant

May a person order food from a vegan restaurant? — assuming you aren't ordering cooked food, to avoid the problem of bishul akum. If your ordering let's say a salad, what could be the problem? ...
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Can Food Remnants make you fleishig/milchig

ב"ה Can food remnants, like stains, make you fleishig/milchig? For example, if I had a steak and got it on my sleeve, then the next day wiped my mouth with that sleev,e can I become fleishig from ...
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What is the problem with non kosher rennet

Before I begin my question I need to explain specifically what and how rennet is made. Rennet are enzymes scraped from the stomach of an animal, and is used to help give cheese it's texture. So my ...
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Why don't we use the same utensils for milk and meat if the food is cold

If I have designated utensils for cold foods such as salad, or cold salami and cheese. What is the problem of using the same utensils for both milk and meat, since there is no bliya because both are ...
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Does the Kashrut Authority of Australia always distinguish between dairy and dairy equipment?

A question on Beer.SE asks why (according to the Kashrut Authority of Australia) beer from New Zealand must be presumed dairy. The question there asks what dairy could possibly be in beer. My first ...
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Can a mother taste her own breastmilk?

Can a mother drink/taste her own breastmilk? I know theres an issur to for a non baby to drink directly from the breast- but what about from a cup? Further- if it is indeed assur even from a cup- ...
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Kashrut of Bread

Assuming bread was prepared and baked by a Gentile using only kosher ingredients (e.g. kosher flour, water and kosher yeast) and only kosher equipment, what conditions would render such bread fit for ...