Questions tagged [kashrut-kosher]

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

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203 views

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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108 views

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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1answer
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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
235 views

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
206 views

“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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1answer
339 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
260 views

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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1answer
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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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1answer
74 views

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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51 views

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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1answer
176 views

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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84 views

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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66 views

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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2answers
974 views

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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1answer
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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, ...
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1answer
112 views

Milk & Meat by milk of a dead cow?

Someone told me today that they thought it was permitted to mix milk and meat if the milk was extracted from a dead cow (ie by cooking its udder). However I was unable to confirm in my googling. Has ...
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1answer
116 views

Treif knife with kosher cream cheese

Can one spread kosher cream cheese with a treif knife? I'm looking for sources (obviously will AYCLOP for final psak) Thank you,
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754 views

Are locusts parve?

One of my friends is Sephardi. He eats locusts, sometimes. I know that locusts are categorized as שרצים - "creeping things" and are not in the same category as the other kosher animals that need to ...
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2answers
200 views

How to kill Kosher grasshoppers

In Chulin 65a+b there is a discussion of which grasshoppers are kosher, originating from the Mishnah on 59a. The question arises, what is the kosher way of killing a grasshopper, that there shouldn’t ...
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1answer
93 views

Where can I find the sources for the opinion that gelatin from non kasher animals is permitted?

Where can I find the sources on which the opinion that says gelatin from non kasher animals is permitted based on the concept of nifsal me'achilas kelev?
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Mixed Raw Egg Left in Fridge

Seeing that leaving raw eggs overnight is a problem according as "the overwhelming majority of Poskim hold that the Gemara continues to be relevant nowadays" (Nidda 17a - ה' דברים הן שהעושה אותן ...
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2answers
181 views

Is there maris ayin in ordering a drink from a non-kosher restaurant?

Is there a problem with maris ayin to enter a non-kosher restaurant and order just a drink? Let's say that in the first case the restaurant in question is a fast-food place and the second case is a "...
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80 views

Word for “strictly” parve

What word do people use to identify something as completely parve--that is, kosher to eat with meat or milk--as distinct from "b'chezkat chalavi/basari"/DE/nat bar nat? Would it be correct to say "l'...
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277 views

Can you use a “kosher” called microwave at work?

Let us assume there is an workplace environment which has Jewish and non-Jewish employees and there are multiple microwaves, some designated clearly as "for kosher food only" and others that are for ...
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2answers
70 views

Mixing milk and meat in a compost bin

Is it forbidden to benefit from milk and meat being mixed together in a compost, for example, or is it okay to benefit since the meat and milk were not cooked together?
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201 views

Unsupervised milk - there was a treife animal in the herd

I heard in a recent shiur that Dayan Weiss zatzal paskened that an animal that delivered its young via caesarean section is considered a treife. Therefore its milk cannot be drunk. When supervising ...
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Is there “Glat Kosher” (HALAK) kashrut classification for Chicken

I always knew that "Glat Kosher" Kashrut classification relates only to beef, it's when the cow is cooked and eaten within 24 hours of it being butchered. Recently I was told several times that there ...
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1answer
398 views

Status of porcelain plates

What is the status of porcelain dishes that have not been used for over a year? Can one change their designation from one (meat) to the other (dairy) or vice versa?
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Kosher Supervision [closed]

Is it okay for a food manufacturer to have two supervisions? (OU and Kof-K) If our raw materials are under OU supervision and our co-packing finished goods are under Kof-K. Do we need to streamline ...
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Does food microwaved in a fleishig microwave become fleishigs?

If a person warms up soup which itself contains no meat in a microwave that is normally used for meat would this soup have the same status as meat and cause the person who ate it to be required to ...