Questions tagged [kashrut-kosher]

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

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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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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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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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209 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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159 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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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 ...
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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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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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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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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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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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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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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
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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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575 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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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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Is Batel BeShishim relevant to issues regarding pots/pans/utensils?

I have searched a number or sources for this, and have asked people involved in kashrus, and can't quite get a straight answer. This is a series of compound questions: If a meat pot is completely ...
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Is Hematogen non-kosher?

Hematogen is non-kosher ("blood"), right? Hematogen is done (indirectly) from blood of an animal. Does it imply that it is non-kosher?
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Is K-כשר kosher?

What is the kashrut authority behind the K-כשר symbol that is now used on Kirkland Signature milk sold at Costco?:
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What to ask a kashrut organization

My question is what sorts of questions should a consumer ask a kashrut organization to determine if he should rely on it? An example: Reuven finds some hard candy that is certified by Kosher-Z. The ...
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Why may one not make a business out of hunting wild animals?

Sheviis 7:4: צָדֵי חַיָּה עוֹפוֹת וְדָגִים שֶׁנִּזְדַּמְּנוּ לָהֶם מִינִים טְמֵאִין, מֻתָּרִים לְמָכְרָן. רַבִּי יְהוּדָה אוֹמֵר, אַף מִי שֶׁנִּתְמַנָּה לוֹ לְפִי דַרְכּוֹ, לוֹקֵחַ וּמוֹכֵר, ...
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Can a Jew own a non-kosher butchery?

Can a Jew own a non-kosher-food butchery that sells pig? And if he can, can he sell to non-practicing Jews?
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Does one need to worry about shmitah on Arab produce in Israel?

I often go to the Arab Market in Jerusalem's Old City to buy nuts and fruit because the quality is good and it's the cheapest I've found. I haven't seen a halakhic issue with their roasted nuts since ...
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Is an animal raised on basar bechalav feed permissible

Veal can be raised on formula that contains basar bechalav (a meat and milk mixture) which is asur behana'ah (forbidden to derive benefit from). Would this isur cause the meat from animals exclusively ...
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Kosher wines and agricultural laws of the Torah

I write an article about kosher wines and ask for help. Tell me, in the production of grapes, the agricultural laws of the Torah operate only on Israeli soil? If in another country the wine producer ...
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114 views

מבטל איסור בשוגג

Milk fell into a pot of meat. Before you realized that the milk fell in, you added water to the pot. Then you found out that milk fell into the pot before you added water. Without the added water you ...
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Are wild figs kosher?

Here in Eretz Israel, many figs have wasp larvae on them. Are wild figs kosher? Or kosher if you inspect them? I find it hard to believe that one of the shivat haminim is treif.
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Non Jews and human flesh

There is a prohibition against a Jew eating human flesh. There is a dispute if it is a biblical or rabbinic prohibition (see here, here and here). Either way, I'm wondering if a non jew has the same ...
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1answer
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Source that tzaar baalei chayyim only applies to kosher animals?

I remember learning that tzaar baalei chayyim only applies to kosher animals and being very surprised and disappointed, but I don't remember the source at all. Does anyone know where this idea comes ...
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Pregnant animals and kashrut

If an animal is pregnant and you slaughter it, what is the status of the fetus? Does the stage of development matter like in regards to eggs?
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Why Are Bugs Not Batul Bshishim?

Particularly in the case of tiny bugs on plants, fruits, and vegetables. Why are they not considered batul bshishim since they are obviously not there on purpose (or desirable) and they make up a tiny ...
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Can 'cruelty to animals' render an animal not kosher?

The problem of cruelty to animals is rife in the food production industry. This article brings the reasoning of two Rabbanim to forbid foie gras and veal on these grounds: Some of the greatest ...
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Do kashrut rules apply to a Washing laver?

Are there any halachot that apply the rules of kashrut to the cup I use to wash my hands before I eat? This answer says that one can use "any cup". This site says that a cup can be drunk from and the ...
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Chicken eating pork-only diet

Someone commented on this website: "An animal is allowed to eat non-kosher food and does not become non-kosher from doing so." Is this accurate edit: kosher fish often consume non-kosher creatures, ...
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Why can't we have challah in the oven with other food?

I am talking about halachic challah -- the portion taken for the offering. I was taught several times that these days, what to do with it is to burn it to a char in the oven. I also learned that this ...
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May one broker the sale non kosher restaurants?

one may not do business with foods that are forbidden to eat (shulchan aruch yore dea 117) However, if a person's business is not selling the treif item and will never comes to own any of the product ...
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Are single dried herbs assumed to be kosher?

Are single dried herbs assumed to be kosher without a hechsher? Quoted from the ou website regarding checking for bugs: https://oukosher.org/blog/consumer-kosher/summary-ou-insect-checking-policies/ "...
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95 views

Just the word “kosher” on a package

I have seen packages which just have the words "kosher, pareve" on them and no other hechsher can be found. Does that make it kosher, because the words is all the hechsher it needs? Additionally, who ...
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Toveling an item with Hashgacha

Many years ago, my parents bought me a jar of cider which had a hashgocha clearly visible on it. The cider came in a handled mug with a top (like this https://is.alicdn.com/img/pb/572/105/517/...
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Alcoholic beverage owned by a non religious jew over pesach?

There are many lists of kosher alcoholic beverages. When I walk into a random liqueur store, there is no way to know if any of the previous owners of the drinks were non religious jews. Being that ...
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537 views

For how long must a Jew keep Shabbat before he can be considered Shomer Shabbat?

Certain Kashrut issues require (or may require according to some opinions) that a Shomer Shabbat Jew (not just any Jew) supervise cooking. For example, see here, and here. How is the status of Shomer ...
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Do “triple washed” salad greens need to be inspected for bugs?

I've seen a few bags of salad greens marked "triple washed". I did a Google search and there seems to be some debate on whether it needs to be rewashed after you buy it. This article says If you'...