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

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Kashrut--idol in restaraunt

A popular restaraunt here in Yerushalayim has a small idol on its cash register. Every paying customer will see it. The staff will answer your questions about it, and recommend reading. Its' ...
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1answer
290 views

Buddha at Indian Restaurants

Is the Buddha statue (or Hindu statues) a problem at Kosher Indian restaurants? (This is different than the cat question since the cat is only a good-luck superstition and these are actual idols)
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2answers
462 views

Invitation to nonkosher restaurant

The question "Keeping Kosher at a secular company" asks about food issues on the job in general. This question is focused more narrowly on "unbalanced" situations: situations where there's an ...
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3answers
828 views

Am I allowed to enjoy the smell emanating from a non-kosher place that cooks using milk and meat mixture?

I know that one cannot gain "Hana'ah" from meat and dairy mixtures. I understood the term "hana'ah" to mean "pleasure" or "benefit". My neighbor makes wonderful-smelling Italian cooking. The smell ...
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2answers
861 views

Do multiple hechsherim (kosher symbols) on a product make its kashrut less reliable?

A former rebbe whom I highly respect advised me not to eat any food product that has more than one kosher certification on it. His thinking was that in principle, the concepts of kashrut and achdut - ...
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1answer
118 views

The levels in kashrut

If a piece of a biblically forbidden food (such as a piece of pork), falls into a bowl of meat. We all know the rule, it's batul bshishim. How about a piece of food which is only rabbinically ...
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1answer
140 views

Poskim who hold chalita is necessary?

Are there any famous rishonim or achronim (outside of Yemen & besides the Rambam) who hold doing chalita to meat is necessary?
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121 views

Is pasteurization an adequate stand-in for something being mevushal?

I have a bottle of Lakewood Organic Concord Grape Juice. It is certified by Kof-K as pareve and kosher for passover. However, I cannot find anything on the bottle that would indicate it to be mevushal,...
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1answer
85 views

Is honey extracted from a dead bee kosher?

Bees themselves are not kosher, but their honey is. The honey is taken from the hive. If I found a bunch of dead bees and I cut them open and extracted the honey from the body, can I eat this?
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2answers
150 views

Can vegetables/fruit be uncheckable?

There are differences in 'bug checking strategies' for different countries due to differences in bugs, pesticides, harvesting and packaging techniques (etc.). In Israel, I have recently encountered ...
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1answer
210 views

Was the honey that Samson ate from the lion kosher?

Was the honey that Samson ate from the inside of the lion (Judges 14:8-9) kosher? There are two premises to my question: 1) The derivation that bee's honey os kosher is from the Talmud, which, ...
4
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1answer
224 views

Why don't kashrut agencies mark on certain cheeses that one must wait 6 hours?

While shopping for Shavu'ot, I noticed that the caterer had marked on their eggplant rollatini "made with 6-hour cheese". I was pleased that they did this, as I had never seen this marking, previously....
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1answer
40 views

Why can't we use products in food that are a דבר מעמיד

מסכת עבודה זרה, דף לה עמוד ב explains how if one curdles milk with the sap of leaves from an orlah tree, the cheese is permitted. The reason is because the leaves are a separate entity from the ...
3
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0answers
95 views

Why did they stop packing the gizard, neck and liver inside the chicken cavity?

Why did they stop packing the gizard, neck and liver inside the chicken cavity? I think this practice stopped about 25 years ago. When I was a novice cook, I didn't know that I had to first take out ...
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5answers
8k views

Any information about Rabbi Barnett Hasden's “Ner Tamid K” hechsher?

Does anyone here know anything about the reliability of "Rabbi Barnett Hasden of Ner Tamid K in Staten Island, NY"?
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4answers
382 views

What is the practical difference between nebelah and terefah?

The second mishna on Chullin 32a explains that if an animal is rendered invalid by any death which does not occur through proper ritual slaughter it is nebelah while if it is rendered invalid for some ...
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1answer
106 views

Slaughtering with a machine

May one slaughter kosher animals with a machine? I don't mean to ask this question about restraining animals, what I want to know is if one may use a machine to actually make the cut, to actually ...
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3answers
277 views

What is the point of a hechsher on Cholov Stam?

I assume that the widespread custom of eating/drinking Cholov Stam products (products using milk in which the milking was not observed by a Jew) is relying on the leniency of R' Moshe Feinstein that ...
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1answer
473 views

Can I use a Keurig coffee machine if someone else has used a non-kosher “pod”?

My office has a Keurig machine. They work by inserting small plastic cups, called "pods", that contain coffee or other items. As I understand the machine's mechanism, hot water drips through the pod ...
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1answer
156 views

What is the problem with non kosher rennet

Before I begin my question I need to explain specifically what and how rennet is made. Rennet are enzymes scraped from the stomach of an animal, and is used to help give cheese it's texture. So my ...
2
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1answer
124 views

Are spices or produce required to be “glatt kosher”?

At home, I have a jar of Pereg oregano that says "glatt kosher" and parve. Am I missing something? I thought "glatt" applies only to meat. If so, how can something be both fleishig and parve at the ...
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4answers
463 views

Family Event at non-kosher resturant

One of my family members is having a family event at a non-kosher restaurant. I want to be there because it is a very important occasion and I don't want to insult my family. However, I know that in ...
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2answers
298 views

Halibut scales - how to identify them?

We picked up some halibut for Pesach directly from the packer. This fish has not had the skin removed. The box clearly was sealed with the O-K. But my wife was uncomfortable that we could not find the ...
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1answer
447 views

Is eating veal permissible?

I once heard that Rav Moshe Feinstein forbade eating veal due to Tzar Balei Chayim. Is it true? If yes, is anything different in the way veal is farm raised nowdays?
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1answer
881 views

Can a hot water urn that is used throughout the year be used for Passover?

Can a hot water urn that is used throughout the year be used for Passover? If not, what is the reasoning why, if it is only used for water (i.e., not coffee). Would the same reasoning hold for a ...
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2answers
70 views

Hechserim on Matzos [closed]

There are matzos with circle U (O.U.) and matzos with circle K (O.K.). We want to keep high standards. Please tell us do these hechsherim have high standards? Does one of them have Higher standards?
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2answers
468 views

Where is the story of the medieval rabbi who ruled a fish was non-kosher because of his dream?

If I recall correctly there's some fish whose kosher status is questionable; a medieval rabbi (Rishon) ruled it was okay, then had a dream that night where all his students were sitting around and ...
5
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2answers
99 views

Contradictory Hechsherim

I've noticed for some time that, especially on imported foods, there are often multiple Hechsherim, and that they sometimes contradict one another. It might not surprise me if a foreign product were ...
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1answer
175 views

Kashering by Placing in a Self-Cleaning Oven

I think I remember learning once that one can kasher something that requires libun (e.g. a pan or cookie tray) by cleaning it and putting it in a self-ceaning oven. Is this true? If so, it sounds much ...
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0answers
67 views

Self-Cleaning an Oven to Kasher If Food Residue Remains

From http://www.chabad.org/library/article_cdo/aid/623729/jewish/How-do-I-kosher-an-oven.htm: "If your oven is of the self-cleaning variety, koshering it is fairly simple. All you need to do is self-...
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1answer
73 views

Kashering a Hard to Clean Pot

Is it possible to kasher a pot that has areas that are hard to clean, for example the rim? Is there anything one can do to these areas if they can't be completely cleaned out that will allow the pot ...
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0answers
621 views

Kosher Lotus Spread [closed]

Lotus spread (see: http://www.biscoff.com/indulge/biscoff-spread) is a European cookie spread that I've seen in Israel and the US, in the former with a hechsher and in the latter without one. Does ...
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0answers
71 views

How long can יוצא ונכנס be?

In regards to kosher supervision, what is the largest single gap that a mashgiach can leave the premise and still be considered practicing יוצא ונכנס?
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1answer
155 views

What conditions would render plants non-kosher?

Under certain conditions, I know that uncontaminated (e.g. no insects / meat, etc) plant-based foods are prohibited (ie., non-kosher). Examples I can think of include: Non-kosher wine Chometz ...
4
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1answer
169 views

Can non-kosher meat be eaten with fish?

The prohibition of mixing meat with milk and of deriving benefit from their mixture concerns only kosher meat (Hullin 8:4 [113a]; Hilkhot Maakhalot Assurot 9:3; Yoreh De'ah 87:3; etc). As such, it may ...
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3answers
147 views

Noachide Dietary Restrictions

Noachides are not commanded to keep Kosher but we do know the sixth commandment given us is "The prohibition of eating flesh taken from an animal while it is still alive" can someone clarify (Not give ...
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3answers
312 views

Why don't we use the same utensils for milk and meat if the food is cold

If I have designated utensils for cold foods such as salad, or cold salami and cheese. What is the problem of using the same utensils for both milk and meat, since there is no bliya because both are ...
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1answer
40 views

Where can I find the concept of Davar ma'amid in the Gemara

Where in the Gemara does it talk about the concept of a Davar ma'amid in length regarding kashrut
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120 views

Can Food Remnants make you fleishig/milchig

ב"ה Can food remnants, like stains, make you fleishig/milchig? For example, if I had a steak and got it on my sleeve, then the next day wiped my mouth with that sleev,e can I become fleishig from ...
2
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1answer
112 views

Does the Kashrut Authority of Australia always distinguish between dairy and dairy equipment?

A question on Beer.SE asks why (according to the Kashrut Authority of Australia) beer from New Zealand must be presumed dairy. The question there asks what dairy could possibly be in beer. My first ...
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4answers
3k views

Is the lemon slice added to a soda in many bars a problem kosher-wise?

Many bars (and hotel lobbies) will add a lemon wedge to the top of a glass of soda; often it's used to differentiate between Diet Coke (gets the lemon) and regular Coke (no lemon). Does this pose a ...
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0answers
45 views

Halachos of kashruth and bliya

If a utensil can't become meat or milk through bliya, (like wood) then is it ever possible to become non-kosher?
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5answers
776 views

Eating Giraffe Meat

Why is it common practice not to eat Giraffe Meat?
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0answers
106 views

Cloth and meat and milk

Does cloth retain meat and milk after it is washed? I was thinking that instead of ceramic or plastic plates, we could eat off of woven disks.
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1answer
110 views

How does one do Hagalah above 12,000 feet?

How does one do Hagalah above 12,000 feet, where water's boiling point falls below 190°F? Under normal circumstances, the water will not be Rochsim, and therefore unsuitable for Hagalah. Using a ...
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0answers
41 views

koshering a keli less than 212 farenheit [closed]

my wife made Hagala in a vessel and the water was not boiling yet. I measure the temperature after she did it and it was 80 degrees celsius (176 F). whats the din now. can i used or i have to kasher ...
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5answers
241 views

Why keep Kashrut?

Is there a known reason for keeping kashrut or is it a set of guidelines proposed by sages who we respect and don't question the logic behind? Is there anything in the Torah that suggests kashrut?
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4answers
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How can pigs and shellfish be kosher for bnei Noach?

As a ben Noach, I watch what meat I eat. I eat kosher or halal cut meat only. However, I think that bnei Noach aren't forbidden from eating pig meat or shellfish. How would I make sure that such meat ...
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1answer
157 views

What is “reverse certification”

I got this in a daily halacha email but not sure what Reverse Certification means, I figure someone here does Reverse Certification It is permitted for a mashgiach to enter a non-kosher ...
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5answers
1k views

Leniencies for someone keeping Kosher in a non-Kosher home

My family is not frum, but they do not eat non-kosher meat at home, although they do eat other not-certified-kosher products, including cheese. They don't mix meat and milk, but they do wash meat and ...