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

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Keeping Kosher Jewish/gentile marriage

A young couple is in love and intends to marry. She is Jewish and he is Christian. Each respects the other's religious beliefs and neither intends to convert. She keeps kosher. OTOH, he eats ...
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Chap stick Flavored Kashrut [duplicate]

Possible Duplicate: kashrus of mouthwash, toothpaste, lip balm Whats the Kashruse etatus os the flavored Chapsticks are they allowed or not?
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Does flavored drip/ground coffee require a hechsher?

It seems like plain unflavored coffee does not need a kosher certification. Does flavored drip/ground coffee require a hechsher?
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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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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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Mashgiach and a restaurant staying open on Shabbos

This question notes that in Israel, a restaurant cannot receive a hashgacha if they are open on Shabbos. However, in the U.S. this doesn't seem to be the case. What rules do mashgichim rely on to ...
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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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327 views

Carnation Instant Breakfast substitute

Is there any non-dairy (or chalav yisrael) substitute for Carnation Instant Breakfast?
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Can I eat chocolate melted in a meaty pot and then combined with dairy?

Suppose I'm making some dessert, like cheesecake or ice-cream sundaes, by melting chocolate and pouring it over the dairy dessert. I realize after doing this that the pot I used was fleishig and used ...
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Ramen and a hechsher?

I just came across this article about improvising around instant ramen. Assuming that the flavour pack is independent of noodles, does one need a hechsher on ramen?
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Can you eat cheese with bread-that-was-cut-with-a-meat knife?

If you intentionally cut bread slices with a meat knife, can you then eat that slice of bread with dairy products?
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Rav Moshe milk and tuna

Rav Moshe holds that tuna needs a masgiach timidi for it to be consumed,every fish needs to be checked for the simanim.However, by milk he brings a savarah that the government is sufficient and a ...
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Waiting to reveal Kosher issue in order to get to the root of the problem

Suppose a Mashgiach realizes that a store is selling Treif meat, however is unsure as to the source of the problem. If he announces immediately that this store is selling something not Kosher he may ...
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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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Kashrut--idol in restaraunt

A popular restaraunt here in Yerushalayim has a small idol on its cash register. Every paying customer will see it. The staff will answer your questions about it, and recommend reading. Its' ...
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Hechsher on Trans Fat

The National Academy of Sciences (...) has concluded there is no safe level of trans fat consumption. There is no adequate level, recommended daily amount or tolerable upper limit for trans fats. ...
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What is the source for requiring constant supervision in a meat restaurant?

Looking to help out Prof. David Bernstein, in this comment. I've heard that kashrut certification organizations require meat restaurants to have a mashgiach supervising operations at all times. What ...
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Sharpening a knife as Ne'itzah/Kelipah

Can sharpening a knife be done as a form of Ne'itzah for removing a Kelipah for Kashruth concerns?
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Are preservatives called a “davar ha'mamid”

At the end of YD Siman 87 we find the dinim of "mamid". Over there it's speaking about cheese made in the skin of the kevah of a nevilah of treifah. The Rema explains that because it is an issur for ...
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Bentching after accidentally eating prohibited foods

Should one recite Birkath HaMazon after eating foods that one did not realize were prohibited, or does this fall under the idea that doing so is offensive?
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Terumot and Maasrot in Israeli Shuks

Ordinary Israeli fruit and vegetable stands do not carry teudah. Does the Israeli government ensure terumot and maasrot are taken at some point? For example, can one taste produce in Machane Yehuda or ...
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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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Making a bracha on kosher ingredients cooked in non-kosher pots?

Is it assur to make a bracha on foods whose ingredients are kosher but cooked in non-kosher utensils? What is the source?
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Scraping fish with a finger nail?

I heard that a kosher type fish bought from a grocer that has also non-kosher fish, that scraping it with a finger nail where the blade cut makes it good to eat. What is the source for this idea?
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Is a chicken egg considered “Aver min Hachai”?

The question of Chicken eggs and why they are Pareve and not Meat has already been addressed. My question is why are they not considered "part of a live animal" and therefore prohibited to eat to Jews ...
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What foods do not need a Pesach hechsher?

Which foods are kosher for Pesach with only a "year-round" hechsher, or with no hechsher at all?
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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 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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Is there an online source where you can check the standards of an Hashgacha?

I am looking for an online source where you can check the standards of any Hashgacha. (Cholov Yisroel, Glatt, Bait Yosef, Pas Yisroel, Mashgiach Temidi, vegetable checking, etc.)
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Can certified vegan be assumed to be pareve? [duplicate]

If a food item has a valid kosher certification, which marks it as being dairy, but also has certification from a vegan certification that it is vegan, can it be assumed to be dairy equipment? I ...
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Toasters in motels / cabins

I rented a cabin last week. In the kitchen was a clean toaster - not a toaster oven, but the "retro" kind for 2 slices of bread. Could I have used it? My assumption was it's OK b/c the electrical ...
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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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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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What is the kashrut status of synthetic/in vitro meat? [duplicate]

It was reported in the news today (at least in the UK) that another step forward has been made towards the creation of "synthetic meat". From BBC News: The world's first lab-grown burger was ...
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Eating treif under hashgacha

What happens if someone eats at a restaurant with a kosher certification (hashgacha) but is served, and unknowingly eat non-kosher? What are the spiritual and halachic ramifications to all parties ...
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How to explain Kashruth simply

How can one explain Kashruth to a curious colleague without too much complexity? I get curious questions all the time, mostly about the laws and about rabbis blessing the food, which is, of course, a ...
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Kashrut: Meat and dairy

My family owns a farm that produces fresh food, including dairy and meat. Would the prohibition to eat milk and meat together still apply since I have ascertained that the cow from which milk was ...
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How come delicatessen offer meat sandwiches AND cheesecakes as deserts?

How come delicatessen offer meat sandwiches AND cheesecakes as deserts? Were people mixing meat & dairy in eastern european communities ? Or were they not really part of traditional ashkenazi food ...
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Grill used for neveilot

Assuming I have a grill and someone I know uses it, without my permission, to cook meat from a neveilah (or perhaps not, but kosher species without certification). What is the status of the grill and ...
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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 ...
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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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Is jam a davar charif?

I learned that juicy fruit are considered a davar charif. Is jam or preserves made from such types of fruit also a davar charif? Why or why not?
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What is the difference between kosher and permitted food?

I wish to allude to this answer, which distinguishes between "kosher" and "permitted" (and "non-kosher" and "forbidden") foods for purposes of knowing when to make a bracha. Can someone explain this ...
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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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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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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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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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Can a deep-cover agent on active assignment violate kashrut to blend in with targets?

I have no idea whatever what the Mossad's practices are when collecting human intelligence, but I would be certain a small percentage of people in CIA would have to be Jewish owing to ...
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Premixed Gatorade and Powerade aren't cheap. I'd rather buy something powdered or concentrated. What's kosher?

I'm sick today; I think it might be (mild) gastroenteritis. DuPont et al. write that "the most important form of therapy consists of fluid combined with electrolytes", citing the CDC. I'd rather use ...
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Do I have to check my fruits and vegetables [for insects] before I put them in a smoothie?

I use both frozen and fresh fruits and vegetables in my smoothies, and mostly organic. Does the type of fruit or vegetable matter? For example, produce that generally has more insects, such as ...