Questions tagged [kashrut-kosher]

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

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333 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
216 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
753 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
409 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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108 views

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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464 views

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/...
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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
81 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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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
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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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3answers
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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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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
131 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
170 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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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
261 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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155 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
270 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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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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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
81 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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Unsupervised milk - there was a treife animal in the herd

I heard in a recent shiur that Dayan Weiss zatzal ruled 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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244 views

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
677 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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195 views

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 ...
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1answer
720 views

Do bath products need to be certified kosher?

Do bath products like soap and bubble bath need to be kosher? I am particularly asking about Mr. Bubbles bath foam and Lush soaps and Lush bath bombs.
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Are there kosher bug-inspected brands of rice and flour? [duplicate]

I've seen kosher bug-inspected produce such as lettuce and similar greens in kosher markets. But, I have frequently noticed that when I buy rice, barley, and flour and leave these around for a while, ...
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1answer
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If we hold ta'am k'ikar, how can treif flavors be kosher?

If the taste of something is like the thing itself, why are things flavored to taste like treif often Kosher-certified? For example, Ritz crackers has a kosher bacon-flavor. I understand that the ...
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2answers
191 views

What is the Galitzianer minhag in regards to waiting between meat and milk?

My ancestors were Galitzianer Chassidim, and I'm trying to figure out the minhag of Galitziana in regards to waiting between eating meat and milk. Does anyone know what the minhag is?
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1answer
113 views

Why the 7 laws for Bnei Noach do not include Shabbat or the separation between clean/unclean animals [duplicate]

I would like to ask why the Bnei Noah are not required to keep shabbat whereas the Shabbat has been holy since the first week of creation and has been given to humanity not only to AM Ysrael? In fact ...
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1answer
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Is it permitted to eat cooked (non-meat) food without a hechsher?

If someone has food given to them without a hechsher but one is unsure of the ingredients other than the fact that it doesn't contain meat, are there heterim to allow it's consumption seeing that ...
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96 views

Issues with drinking with non-Jewish coworkers [duplicate]

I work at a company with many non-Jews and often we will go out to celebrate milestones we hit. What are the issues with going out to drink with them if I order a bottle of unopened beer ?
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652 views

Is cultured meat Kosher?

This question claims that meat cultured from a kosher source is kosher too. However, a quick reading of sources seems to indicate the contrary: Tur (YD 62:1): וכן בשר הפורש מן החי אסור אע"פ שאין ...
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If the whole vessel's volume counts in 1/60, why don't we wait?

Although this is a really basic quesiton, the topic is way beyond my education, so please excuse the lack of sources, background knowledge and proper terms, and please help me improve. I understand ...
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1answer
53 views

It is same species if offspring can have offspring (source)

I heard that if we do not have a messora on a certain bird but we do have one on a similar species then we can check by checking if their offspring can have offspring What is this idea based on? I ...
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1answer
905 views

Is Corelle Ware considered glass or ceramic

Theoretically if someone accidentally use my dairy dish for meat or vice versa and it's a Corelle Ware dish does he need to throw it out or can he consider it to be like glass?
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Do concepts of nat bar nat and batel beshishim apply to ovens?

In a prior post I asked about batel beshishim and nat bar nat (noten ta'am bar noten ta'am) as it applies to pots and utensils. Do these concepts apply to ovens? If yes why? If not, why? If ...
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1answer
106 views

Can a דבר חריף transfer בליעות into a כלי without heat?

An onion is cut into small pieces with a fleishig knife. Then the pieces of onion are chopped in a food processor that was recently used to proses dairy. The onion is obviously treif, but what is the ...

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