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Questions tagged [kashrut-kosher]

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

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Graven Image Question

Can someone give me sources from Tanakh and Halakhah on why it is permissible for a Jewish [certified kosher] bakery to make images from Christianity and their winter holiday? And if it is permissible,...
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Why are castrated animals slaughtered as Kosher beef?

Castration and dehorning of cattle is the common practice in the cattle industry. This a violation a basic Noahide Law ref San 56a. All men today that are Bnei Noah are required to follow this command....
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If a non-kosher diet saves a person's life, is that Pikuach Nefesh?

I very recently reconnected with a friend from college. While he still associates with the Orthodox community, he stopped observing dietary law. When I knew him in college, he was an extremely ...
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What are domestic animals that are kosher to raise and quiet?

I want to get an animal to raise and want to be sure to comply with halacha. So I would like to know which animals are kosher to raise in a Jewish home? I am particularly interested in animals which ...
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Do fortune cookies need to be Pat Yisrael?

Certain products are made from one of the five major grains but aren't Tzuras Hapat, i.e. they don't look baked. As a result, they can be eaten even if one has taken upon themselves to eat only Pat ...
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Kosher food on cruises?

I will be going on a cruise. I know that some cruises have Kosher menu selections that are actually verified Kosher, not just “Jewish Style meals”. My question is that how can these be kosher without ...
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Kosher glycerin automatically safe to eat

First of all, I would like to apologise for my ignorance; as a Christian, for me the purpose of the Law is to bring us closer to understanding the mentality, so to speak, of the Almighty, and ...
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Is this squid with scales kosher?

A scientific paper in Nature in 1960 entitled "Lepidoteuthis grimaldii—a Squid with Scales" describes a squid that was found in the contents of a whale and (at the time) was the fourth specimen of its ...
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Change drinking glasses between fish and meat?

The Rema writes (YD 88:2) that two guests eating at the same table, one eating cheese and the other meat, should be careful not to drink from the same cup, because the food gets stuck to the cup. ...
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Can you eat “congealed blood” meat?

I had read that when kosher meat slabs are delivered in a refrigerated truck, say, across the U.S., the meat must be hosed down every 2-3 days (I don't recall the exact time period) to prevent the ...
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what’s better to have Unkashered or Trief liver

A “moral” dilema in the community has occurred which I would like advice on. A shop once sold nonkashered liver then went to sell only kashered liver now the Rabbi of the city has done a u turn to ...
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A bug that falls in noodles [duplicate]

If a small non-poisonous bug jumps into a pot of noodles cooking, instantly dying because of the boiling water, and then is scooped out right away is there a problem with either the noodles or the ...
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Are piranha and barracuda fish kosher?

Rabbi Presworsky's book describing the various kosher/non-kosher creatures seen here says that piranha and barracuda are kosher fish based on their scales. Are there any earlier poskim who have ...
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Waiting 3 hours to eat dairy after eating meat [duplicate]

Is it true that there is no true halachic time one must wait to eat dairy after eating meat for Ashkenazim? (Of course, eating it in the same meal is a sin, and is not allowed!) So by waiting 3 hours ...
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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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1answer
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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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1answer
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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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126 views

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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1answer
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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?