Kashrut (also kashruth or kashrus, כשרות or כַּשְׁרוּת) is the set of Jewish dietary laws.
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Offal, Organs and Parts [duplicate]
Which items on this list are not kosher? (assuming parts are coming from kosher animals, of course).
This list of offal, organs or parts comes from Wikipedia. I removed blood and anything pig-related....
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Cheese cooked in meat pan?
If one cooks cheese (Grilled cheese) in a meat pan, does it make the cheese not kosher, and therefore a sin? List sources please.
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If One Considers Chabad to be Avodah Zarah What Kosher Products Should He Avoid?
If one were to consider Chabad to be a religion of Avodah Zarah because of their practices regarding the Rebbe as Mashiach, what otherwise marked "kosher" products should one avoid that are Chabad-...
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Industrial kosher farming and shechita?
I understand that each animal slaughtered needs to be done with a special kind of knife and by a shochet. How might an industrial kosher farm operate without the need for an exorbitant amount of ...
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Why does my bottle of Kosher grape juice say that it's 'for sacramental purposes only'?
I recently noticed that the bottle of Kedem Kosher grape juice that I purchased has a notice on the label which reads 'FOR SACRAMENTAL PURPOSES ONLY'.
I assume this means that it's being sold to be ...
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Why does Torah consider Bats as birds?
It seems from Re'eh 14:18 that Torah considers BATS as birds. Though scientists classify them as mammals. I'm preparing a class on this Parsha and would like to hear comments about this difference.
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Why might capsule vitamins need to be Kosher? [duplicate]
What are the sources that state that vitamin capsules need to be Kosher? For example, iron capsule vitamins. Does anyone know the sources?
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Is ta'am (flavor) physical or metaphysical?
The Talmud and Geonim seem to speak about ta'am and it's ability to transfer as being a very physical process. The literature reads as if one would be able to taste the transfer of flavor from one ...
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Washing up and status of a cooking pot
If a kosher pot is washed up with cold water and washing up liquid, and a washing up pad that has been used to wash non-kosher pots - what is the status of the pot?
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What are the signs for Kosher Locusts?
I've been researching the simanim (signs) for kasher chagav (locusts/grasshoppers) and have found some information but I need some details.
The Yemenites often describe the sign as a ח on the chest ...
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Why cant a Sefer torah be written by a machine [duplicate]
It seems that Sefer toras can't be used for torah readings/alias(since nobody uses them for it and the amazing facts and feats book mentions a machine made Sefer can't be used. But Why cant a Sefer ...
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Why is eating meat from living animals wrong?
Why is it wrong to eat meat from a living animal? Is it because it is cruel? Is it because it is impure? Why is it?
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Is there any qualification required to obviate bishul akum?
In an effort to avoid the problem of bishul akum, a Jew should be a part of the cooking process. In order to be using "aish yisrael" a Jew must turn on a flame, add something to the fire, or have ...
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Can one use a gas grill for both meat and dairy (i.e. pizza)?
Can a meat grill be used to cook dairy, like pizza? If so, what must one do to prepare it for the dairy?
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Bittul of pork-derived niacin in flour
In many countries, flour and processed grain products are required to be iron and/or niacin enriched, and many times the niacin used is derived from pork. This renders the grain product non-kosher. ...
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Is this “Crown PL” a kosher symbol?
The international food company Pampa sells a tin of herring fillets in oil, but I do not recognize this symbol on the back and cannot find information on the Internet of whether this is actually a ...
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Choosing a microwave oven (e.g.) for ease of kashering
As far ask I can tell, I have a new twist on the
already
abundant
microwave oven
literature
here at Mi Yodeya.
So please be not quick to mark this question a duplicate.
My question is this.
I am ...
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Would using gelatin as a fining agent for clarifying beer render the beer not kosher?
As per the answer in this question Is Guinness Beer no longer kosher?
that isinglass which is not intended to stay in the beer does not pose a kashrus concern then according to this logic would any ...
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Eating by someone with good intentions but poor knowledge
Is it, in principle, a problem to eat by a shomer-Shabbos Jew who has good intentions, but only basic knowledge of the laws of kashrus?
His involuntary sins--presumed, not known--are not a problem ...
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Is hot water on an airplane kosher?
Why is it generally assumed that hot water on an airplane is kosher? Is the urn that warms up water on an airplane strictly for water use? Or do they alternate and it can be used sometimes for other ...
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Non-kosher wine and Rabbi Natan Shapiro's Sefer Yayin Ha-Meshumar
In this shiur on Stam Yayin and Yayin Nesech (standard wine of gentiles and idol-worshipper's wine, respectively), the Ben Ish Chai is cited as referring to Rav Natan Shapiro's work "Yayin Ha-Meshumar"...
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Force feeding of geese
Geese were extremely popular among European Jews for various reasons, and their liver was particularly appreciated. However, there is a debate, whether force feeding may render the animals non-kosher, ...
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What is the Shaḥaf according to Ḥizquni?
The שחף (Shaḥaf) is a bird forbidden by the Torah in both Sefer Wayiqra and Devarim.
Ḥizquni (חזקוני, Rabbi Ḥizqiyah ben Manoaḥ), writing in Old French, states (Wayiqra 11:16):
אשפמר"א ויש אומרים: ...
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Is the impossible burger possibly kosher?
According to a recent article in Haaretz:
The trail-blazing Impossible Burger, the world’s only kosher cheeseburger, created sustainably, is now officially on the Orthodox Union’s kosher database ...
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What to do in face of total ban on kosher meat?
If a country bans shechitah and also bans the importation of kosher meat, do the Jews of that country have to go vegetarian according to dina d'malchuta dina?
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Are we permitted to trust the shechita of a shochet who doesn't keep kosher?
Suppose an otherwise observant and all around excellent shochet is discovered to eat non-kosher food on a regular basis. (Just taking a random example, he's keeping the non-treibored hindquarters of ...
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In food service, does the separation of pareve and meat require less policing than the separation of kosher and non-kosher?
At the market where I buy groceries, there’s a deli counter under kosher supervision, selling fish and meat. When I buy fish, the clerk puts on a new pair of rubber gloves, takes a fresh piece of ...
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Are Uncertified Lotus Biscoff Cookies Kosher
According to the company website:
Lotus Biscoff Products are not Kosher certified.
From Kosher.com:
Note: Biscoff brand products, including Lotus Cookies, that are made in Belgium and are ...
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Putting Oreos in your Cholent
According to the certifying agency of Nabisco Oreo cookies, which are marked OU-D:
The equipment is not necessarily cleaned before the production of these cookies, and there may be a small amount ...
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“Milky” chocolate does not have milk as ingredient - implications? [duplicate]
The hechsher on this chocolate says it is milky but it contains no milk.
How is that possible?
Would it be wrong for me to eat it after a meaty meal and if so why?
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A source for parve lactobacillus plantarum?
Lactobacillus plantarum is a strain of lactic acid producing bacteria used in many food and medicine applications. Many of which are made on equipment that process chalav nachri. Some examples include ...
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Punishment for Eating Non-Kosher
What is the biblical or talmudic prescribed punishment for knowingly eating meat of a non-kosher animal. I seem to recall some kind of distinction in punishment between eating out of indulgence or ...
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What makes bread Pas Yisroel?
If one heats, toasts or grills Pas Palter (commercially baked bread with only kosher permissible ingredients) before consuming it, does that finishing action transform the bread into Pas Yisroel? The ...
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Is the brand Chef's Quality pas yisroel?
Are the products under the brand, Chef’s Quality, pas yisroel? All of them, some of them, or none of them? If not all of them are then specifically are their bread crumbs and tortillas pas yisroel?
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Why isn't Amaretto Kosher for Passover?
I was recently told that Amaretto isn't Kosher for Passover (as I never drink it, I don't much care, but it got me very curious, as to the best of my knowledge there is nothing in its ingredients that ...
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What is an atalef? [duplicate]
In Vayikra 11:19, the atalef is listed as an unclean bird. Is it not a bat which is a mammal/rodent? Is this a translation issue?
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Does Chametz create a “kashrut” problem on Pesach? [closed]
Hypothetical: During the Pesach holiday, a non-observant person walks into my house with the loaf of bread he just bought, and proceeds to use my regular knife and plate to make a sandwich. Clearly, ...
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Is it permitted to bring bottled water from an outside source into a kosher dining hall?
I was eating in the kosher dining hall (because it often has better food than the goy hall) and, after I finished drinking from the water bottle I had brought with me, a Jew walked up to me and told ...
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Mechanics of making matza on Pesach
When making matzah at home during the Pesach week, is it correct that one needs to ensure that not only is the matzah itself completed in 18 minutes, but also that all the utensils and bowls are ...
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Is it permitted to return non-kosher food to a grocery store for a store credit?
According to this article it is forbidden to do business with non-kosher food. Does this apply to "returning" non-kosher (md'oriassa) to a grocery store in exchange for a store credit (and/or a kosher/...
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Reversing the status of a treif animal
The gemara in chullin 55b brings from the mishna that an animal remains kosher if the lower jaw was removed. Rabbi Zeira qualifies this law by saying that the animal is only kosher if it can be feed ...
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Can you make kosher pork? [duplicate]
Does kashrut apply to the chemical composition of a food or only to its origin? Example: If you could manufacture a pork chop in the laboratory, and it had exactly the same chemical composition as a ...
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Does one have to wait six hour after eating a sharp object cut with a meat knife?
The Shulchan Aruch says that when one cuts a sharp food with a knife, it makes the flavor in the knife "BeEin" - as if it were visible (and not just a "taste").
Is that only for the laws of "Nat Bar ...
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Please help a new giyoret kasher her kitchen [closed]
Okay so I've done quite a bit of reading on how to kasher, on what items can and can't be kashered, and how to maintain a kosher kitchen. I have an appointment with my rabbi to come over and help with ...
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Are chemically leavened crackers kosher for Passover? [duplicate]
I’ve been invited to a home Seder this month, and would like to bring something. Someone suggested I bring some unleavened crackers. I was raised Jewish, but never kept kosher, or even observed the ...
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Menstrual cups and kashrus
I'm in the process of kashring my kitchen. I almost only eat parve so it's pretty easy, and the kitchen is formally all milchik. However, I can't find any good instructions on how to handle a ...
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Is a meal bracha over dairy forbidden if the Jew in question still has meat in their stomach?
Obviously, the functional answer is you eat parve and wait for the allotted time period to pass so that one may eat dairy. I'm in no way challenging conventional dietary law.
This question is simply ...
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Hot pareve pot on fleishig (or milkhig surface)
If one's intention is to keep food pareve, is it permissible to put a hot pot (above yad soledes), full of pareve liquid onto a meat or dairy surface?
Does the pareve liquid become fleishig/milkhig? ...
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Who certifies the hechsher magen David with a K replacing the right side?
This symbol appears on Trader Joe's Organic Tahini.
I have searched in a lot places, but cannot find it. The product is made in Greece. Anyone know who gives this hechsher and if it is reliable?
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Kashering non-Kosher meat + “minimizing a transgression”
Halacha has a strong tradition of "minimizing a transgression" when doing something forbidden, for example taking the shortest route possible when driving on the Sabbath.
Applying the same logic, ...
