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

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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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Kashrus Explained

A close friend of mine asked me to fire this question at the mi.yodeya community so here goes: "I came across this rather interesting rendition of "kashrus Explained", not sure who authored it, but I ...
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Why would a product be “only for cooking and pureeing”?

A recent OU kashrut alert that I found on Kashrut.com says: Kirkland Nature's Three Berries: Rader Farms, Inc.: This product bears a Half-Moon K symbol and should be used only for cooking and ...
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124 views

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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85 views

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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564 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 ...
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Hagalah in Denver?

In high-altitude cities, water boils at a lower temperature than the standard 212 degrees Farenheit. For example, in Denver the boiling point is about 203 degrees. Can one kasher utensils with hagalah ...
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Why aren't Yemenites an ed echad on locusts?

I've heard that the reason we (most of us) don't eat the locusts enumerated as kosher in the Torah is that we cannot identify them. That is, we don't know what type of locust is referred to by the ...
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455 views

What makes a wine kosher?

Why are some wines kosher and some not?
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876 views

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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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 ...
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What's the halachic advantage of double (or triple) wrapping food?

I've heard of both double and triple wrapping when it comes to shielding a food item in an oven with regards to Kashrus. What exactly does double or triple wrapping accomplish that one wrapping ...
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Is the lemon slice added to a soda in many bars a problem kosher-wise?

Many bars (and hotel lobbies) will add a lemon wedge to the top of a glass of soda; often it's used to differentiate between Diet Coke (gets the lemon) and regular Coke (no lemon). Does this pose a ...
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Is Extra virgin olive oil kosher by default?

I was given extra virgin olive oil as a gift from Italy (picture below), and I wanted to see if that type of olive oil is treated like fruits and vegetables, or does it needs to have certification on ...
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358 views

Veal and Kashrus

Is there any kashrus issue with veal? What about with white veal?
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1answer
169 views

Is a Jewish farmer allowed to raise animals for non-kosher slaughter?

Is a Jewish farmer allowed to raise animals for non-kosher slaughter? Does it make a difference whether it is a non-kosher animal (e.g. pig), vs. a kosher animal? Does it make a difference whether the ...
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1answer
200 views

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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624 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?
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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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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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What is flavored beer vis-a-vis kashrus?

As referenced in Shalom's answer here, the cRc alcohol list here, and many other places, non-flavored, domestic beer can be assumed legally drinkable according to halacha. What constitutes flavoring ...
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117 views

chicken kashrus

When buying chicken from your local kosher butcher, what signs should one look for that would indicate there may be a question about the chicken's kashrus? Does it matter whether one bought a whole ...
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232 views

How to identify Yashan

I would like to serve food to a friend who observes the restrictions against eating Chadash grain products, but I don't have access to a guide on identifying Yashan. However, I have heard, that ...
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336 views

What's the Bishul Akum heter for hard-boiled eggs?

I've seen prepackaged hard-boiled eggs in the grocery store with an OU. As eggs are relatively inedible raw, what is the heter vis-a-vis bishul akum for them? (Or are they having a Jewish mashgiach ...
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59 views

Can rags and oven mits become non-kosher or be kashered?

If kitchen rags or cloth oven mits have been used in a non-kosher kitchen, may they be used in a kosher kitchen after they are laundered? Or do they become non-kosher (for example, from contact with a ...
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532 views

Working in a non kosher yogurt store

I was asked a question this afternoon and I don't know a good answer (yet) so I'm posting it. I have been asked in the past whether a Jewish person may work in a non-Kosher restaurant that serves ...
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166 views

How to prevent holes when double wrapping food?

When cooking milk in a meat oven (or kosher food in a treif one) I often find that when one wraps using aluminum foil, small holes appear (probably from the heat). I was wondering if anyone knows a ...
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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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Is the cat figurine thing a problem at kosher Chinese restaurants?

It seems like all kosher Chinese restaurants have this cat-statue thingy in the front: Is there any Halachic problem with that? I assume not, if they're all kosher-certified; but why not?
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Are mouse-deer kosher?

Mouse-deer do chew cud (they has four stomachs), but have not two, but four hoofed toes. Are they kosher?
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What Kashrut Agency Uses this Symbol?

I found this symbol on a box of chocolates today: It was on a box of chocolates from this company - http://www.hauserchocolates.com. Anybody recognize the agency?
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Any information about Rabbi Barnett Hasden's “Ner Tamid K” hechsher?

Does anyone here know anything about the reliability of "Rabbi Barnett Hasden of Ner Tamid K in Staten Island, NY"?
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Buddha at Indian Restaurants

Is the Buddha statue (or Hindu statues) a problem at Kosher Indian restaurants? (This is different than the cat question since the cat is only a good-luck superstition and these are actual idols)
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*Tzomeach* (צוֹמֵחַ) in kashrus halacha

To find the kashrus status of an organism, we first need to correctly classify it as tzomeach, animal, bird, or fish, as each group has its own distinct requirements. E.g., animals need to chew cud ...
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215 views

Creating a crowd-sourced database of non-dairy OU-D products

Several questions/answers on this site have pointed out that the OU-D hechsher does not always mean that the product is actually dairy. (But that it is, in reality, "OU-DE" [dairy equipment]. See here ...
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Are We Not Supposed To Eat Fat?

In Leviticus 3-17 it states: All fat is the lord's. It is a law for you for all time throughout the ages, in all your settlements: you must not eat any fat or any blood. כָּל-חֵלֶב לַיהוָה ...
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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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Why keep Kashrut?

Is there a known reason for keeping kashrut or is it a set of guidelines proposed by sages who we respect and don't question the logic behind? Is there anything in the Torah that suggests kashrut?
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Is the Halachic concept of taste transfer accepted by scientists and chefs?

Halacha (Jewish Law) tells us that when food is cooked in a pot, that pot absorbs the taste of that food (to what degree is impossible to know). When that pot is then used to cook something else, the ...
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431 views

Is human flesh a kosher food?

Is human flesh a kosher food? Please provide both modern and classical sources.
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How far does Chaticha Naaseh Neveila go?

Someone cooked an article of food in his kitchen in 2000. In 2010, he discovered that it was treif Gamur. Between 2000 and 2010 he changed all his cutlary, plates, etc. so that nothing that he owns is ...
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Can you give an animal a tranquilizer, and proceed to slaughter it?

Can you shoot an animal with a tranquilizer, or feed a tranquilizer to an animal, and proceed to slaughter it in a kosher manner?
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Kosher flavored beer without certification on the bottle?

I've always heard that the rule in the United States is that domestic non-microbrewery/craft unflavored beer needs no certification as kosher, as all such beers are kosher, but that any other beer ...
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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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Family Event at non-kosher resturant

One of my family members is having a family event at a non-kosher restaurant. I want to be there because it is a very important occasion and I don't want to insult my family. However, I know that in ...
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442 views

Halachic law about inviting a Jew for dinner by a Gentile

I know that Observant Jews are commanded by law to eat Kashrut or kosher, so can I as a Gentile invite my Jewish friend for dinner, for example at a marriage or engagement party? What food items ...
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340 views

Are homeopathic remedies kosher?

I'm not sure what they put in the remedies but I would like to know if they are kosher and would batel beshishim apply in this case if there was a non-kosher ingredient?
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Jewish Person Selling Non-Kosher Product

At a local convenience store near my work, they stock all sorts of non-Kosher products. However at the cashier's desk is a guy obviously orthodox Jewish (Curls down from the side, Black Clothing ...
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Does it make logical sense to “not hold by OU kashrus”?

Apparently there are some people who do not rely on the OU for kashrus. I have seen a few online references (i.e. this Matzav post) that claim this makes no logical sense, since virtually every other ...
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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 ...