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

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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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tuna wrap in non-kosher restaurant

Is there any way to eat a tuna wrap from a non-kosher restaurant, if I have full access to see their ingredients and packaging?
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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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toveling racks from new built in wall oven

If someone is having a wall oven installed, should the racks that come with the oven be toveled as a separate item? Note that racks of this type can be removed from the oven.
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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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130 views

The Sciatic Nerve and Fat of Kosher Fowl

I have learned that the sciatic nerve must be removed from land animals to render the meat kosher. But what about fowl? Does the sciatic nerve need to be removed from chicken or turkey? Why or why ...
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481 views

Food cooked by a non-Jew not kosher?

Why is it that food cooked totally by a non-Jew - without the participation of a Jew - is not kosher?
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247 views

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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363 views

Can meat ever be both “treifa” AND “neveila”?

I'd always assumed that if a cow died of any cause other than proper shechita (kosher slaughter), the meat is neveila. If it died by kosher slaughter but had already been seriously injured or ...
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231 views

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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Why does Hashem allow Noah et al to eat *all* animals?

Reading the parsha today, I noticed for the first time that Bereishit 9:3-4 seems remarkable (JPS translations): .כָּל-רֶמֶשׂ אֲשֶׁר הוּא-חַי, לָכֶם יִהְיֶה לְאָכְלָה: כְּיֶרֶק עֵשֶׂב, נָתַתִּי ...
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Chalak or Glatt?

Which standard is considered more machmir: chalak (Beit Yosef) or glatt? I have heard that when the Ashkenazim started emigrating in force to Israel, there was an issue of the Ashkenazim being meikel ...
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137 views

Do hechshered leafy vegetables mean that they have no bugs?

If I buy (for example) frozen broccoli in the store with a hechsher, is it required to check for bugs? Does the hechsher signify that the vegetables have already been checked for bugs and are free of ...
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348 views

fruit-flavored tobacco Kashrut

Do the fruit-flavored tobaccos that are widely used in hookahs require a Kashrut certification similar to foodstuffs? If yes, why; if not, why not?
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What are the kashrut standards of the various nationwide (and regional) kashrut agencies?

I'd like to see a resource developed which transparently compares the standards of the various kashrut agencies. Just like I can retrieve an incredibly in-depth comparison chart from Wikipedia ...
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99 views

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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Homebrewer then converts; are there leniencies that allow him to drink the beer he made?

Suppose a gentile is a homebrewer who later converts to Judaism. Fermentation and aging can be long-running processes, so even if he knew to anticipate the problem and ceased homebrewing activities ...
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161 views

Reliance on non-Jews for removing bugs

In discussing washing salted meat according to Halachah, there is a lengthy discussion about whether and when we can rely on a non-Jew who claims to have done it. The Tur (Y"D 69:10) says that there ...
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93 views

Kashrus Book in Hebrew like Shemiras Shabbos k'Hilchasa

Does anyone know of a good book on kashrus (in Hebrew) that accomplishes for kashrus something similar to what Shemiras Shabbos k'hilchasa does for Shabbos?
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At what point was it recommended to have a separate kosher certifier (mashgiach) for local Jewish businesses?

If I understand correctly, you can generally walk into an observant Jew's house (upon invitation) and if he says the food is kosher, you assume the food is kosher. Now if the same fellow has a kosher ...
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What defines a “בהמה” (also “חיה”)?

As discussed in *Dag* (דָג) in kashrus halacha, *Tzomeach* (צוֹמֵחַ) in kashrus halacha, and *Of* (עוֹף) in kashrus halacha, there are different rules used to determine the kashrus status of ...
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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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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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Comprehensive list of Kosher Products

Is there a comprehensive list on the web of all kosher products?
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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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What other work can a mashgiach do in a kosher restaurant today?

In a kosher restaurant today, must the mashgiach (kosher inspector) spend 100% of his time watching everything, or can he do some other work in the restaurant? How much work? I know this may vary ...
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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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Does soda need a hechsher?

I have noticed that many cans of pepsi don't have a hechsher (kosher symbol) on them. Do they need one?
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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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463 views

Is human flesh a kosher food?

Is human flesh a kosher food? Please provide both modern and classical sources.
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What are all the different koshers for/about?

I found out recently that what I had been thinking of as a "food copyright symbol", (U), is actually a statement of kosherness. Now that I know what this is, I'm starting to see different symbols like ...
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How is it possible for a pot of meat to become pareve? [closed]

I was recently posed the following puzzle: You have a pot of meat. You put in milk. It becomes pareve. How can this be? Any ideas on how this is possible?
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Does cooking kitniyot in a pot render it non-kosher-for-Passover for Ashkenazic Jews? If so, why?

I've heard of cases where a Sephardic family, for whom rice is totally kosher for Passover (assuming it's checked and contains no additives etc.), cooked rice in a pot. The next day, they invite their ...
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Coffee Machines in Hotels

Many hotels have coffee machines in the rooms. They also usually provide the necessary ingredients, such as disposable filters and coffee grinds. What are the potential problems with using such a ...
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989 views

Can Jews eat hunted animals?

Are Jews allowed to eat hunted animals? That means the animals are dead before getting their necks cut. I do not think that a large proportions of ancient Jews were hunters, but I would be surprised ...
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Artificial non Kosher food

According to Vayikra we have: ז וְאֶת-הַחֲזִיר כִּי-מַפְרִיס פַּרְסָה הוּא, וְשֹׁסַע שֶׁסַע פַּרְסָה, וְהוּא, גֵּרָה לֹא-יִגָּר; טָמֵא הוּא, לָכֶם.‏ 7 And the swine, because he parteth ...
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Is there anywhere that you can buy Kosher non Glatt meat?

When you go shopping, it seems that they only offer Glatt Kosher. I would imagine non Glatt would be cheaper. Is there anywhere that someone who is not Makpid (It is an American post world war ...
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952 views

What is the actual temperature of Yad Soledes?

What is the actual temperature of Yad Soledes?
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288 views

Does loose leaf tea need a hechsher?

Sometimes I find bags of dried tea leaves of various sorts in my local Turkish store. Do such teas need a hechsher (certification as kosher)? Is there any indicator I can use to tell if it's kosher or ...
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947 views

Is it permissible to use a Hotel's Drinking Glasses?

Is one allowed to use the glass cups provided by a hotel (usually in the bathroom) for drinking? Or is there a Kashrus problem?
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156 views

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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What are the reasons that chewing cud is a kosher sign?

In parashat Shemini (Lev. 11:3), we learn that one of the signs for distinguishing kosher mammals is that a species must chew its own cud. Are there any taamim (explanations) that elucidate the ...
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114 views

Why is Kosher important?

Why is Kosher important to Jewish people? It is not necessarily healthy food from what I can see.
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991 views

Kosher status of medicine that comes in a gel capsule

What are the kashruth issues involved in the taking of gel-capsule medicine which does not have kosher certification?
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388 views

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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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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482 views

Can you eat beeswax?

To my knowledge there is a lengthy discussion as to why bee honey is kosher to eat. I am unaware of any discussion of bee wax. I am told by my local grocer that many large distributors of produce coat ...
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Eating in a restaurant that is not under the beth din

Can one eat in a resturaunt that claims to be kosher, yet does not have a certified kashrut certificate from the local beth din? Is this a violation of a prohibition by the owner? Does the owner have ...
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238 views

What defines “hard cheese” [duplicate]

I grew up with the minhag that after "hard cheese", one must wait for 15 minutes before one may eat meat. However, the question often arises as to what qualifies as such in terms of halacha and ...
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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 ...