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

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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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68 views

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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74 views

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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122 views

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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83 views

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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99 views

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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73 views

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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86 views

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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83 views

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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92 views

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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76 views

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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104 views

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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56 views

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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111 views

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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545 views

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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381 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? ...
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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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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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105 views

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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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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213 views

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 ...
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116 views

Can bleach be sufficient to cleanse for Passover?

A couple years ago I (Conservative) was asked by my wife (Baptist) to educate her church by running a Seder for them. I cleaned the kitchen and serving areas as best I could, vacuumed the carpets, ...
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Finding Kosher Fruit Flavored Snacks

Anyone know of a kosher fruit flavored snack, similar to these? According to oukosher.org there exists a "Scooby-Doo! Fruit Flavored Snacks 10 Count Carton" that is OU Parve, but I cannot find it ...
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Non-kosher, non-Jewish-run, Sushi Restaurants

Is the food served at a non-kosher, non-Jewish run sushi restaurant considered non-kosher because of the non-kosher-ness of the knives, the bishul akum of the rice, or both?
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Is there a problem with “Mar'it ayin” by attending a company picnic?

Theoretical: Let's say that a company plans a picnic in a "semi-park" area. I.e. - it is a tree-lined public thoroughfare that many people including Jews, walk through. (I added this fact b/c I have ...
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Does breast milk make vessels non-kosher or milchig? [duplicate]

I understand that breast milk is kosher only for babies and is traif for adults. But does breast milk make other vessels non-kosher? For example, if I put a spoon, knife or fork in the breast milk, or ...
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28 views

Test tube meat: Pareve? [duplicate]

Meat that is grown in a test tube - also known as in vitro meat - would seemingly fall outside of existing kashrut categories. You do not need to kill an animal (thus no need to schecht). Would it ...
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Are separate glasses required for milk and meat?

It seems to me that there are some interesting things which are done in virtually every kosher Jewish home that may have no basis in halachah. I think that having separate glasses for meat and dairy ...
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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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Halachos of kashruth and bliya

If a utensil can't become meat or milk through bliya, (like wood) then is it ever possible to become non-kosher?
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Kosher shops selling turkeys

I have noticed a Kosher shop selling turkeys only at this time of the year (...late December). Without getting into a discussion about the Kashrut status of turkeys, is this considered in the spirit ...