Kashrut (also kashruth or kashrus, כשרות or כַּשְׁרוּת) is the set of Jewish dietary laws.
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Bishul Akum Technology
Is there Bishul Akum when Using a Microwave being that it is not Cooking as it was in the times of CHAZAL?
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In what countries is chalav yisrael not required for milk?
The Talmud says milk is not kosher unless a Jew supervises the milking, to be sure it's just kosher-animal milk.
Assuming one goes by the ruling of R' Moshe Feinstein and others that "knowing" is ...
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How can I avoid Bishul Akum with a rice-cooker?
ASSUMING:
I have a rice cooker here that's absolutely, certainly, never used for anything other than plain rice. The rice contains no flavorings, bugs, or anything else non-kosher.
Rice is raw ...
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Do non-toxic, biodegradable kitchen/dish cleaners pose a Kashruth problem?
In certain instances, I've heard rabbis allow soaps and harsh cleaners to be used to make food and food-residue "Pagum" (ruined), which then removes any prohibition that might otherwise result when ...
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How does Kavush work?
The Halachic principle of Kavush states that leaving something in liquid for 24 hrs transfers taste, and therefore it alters the status of the thing with which it is exchanging tastes.
However, ...
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How could boiling 3 eggs at a time help?
A lot of people have a custom of boiling 3 eggs at a time, as mentioned here, among any other places.
One reason given for this practice is that if one egg turns out to be unkosher, the remaining two ...
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Why do we use a tight heuristic for fish egg kashrut and not trust supervision?
I recently listened to this podcast from the OU Kashrut Division on the kashrut of Bowfin eggs in particular and of fish eggs in general, and I learned something interesting about the kashrut of fish ...
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Kashering cold dishes for Pesach
If a vessel only held cold food, never hot, but was washed in the dishwasher, does it need hagalah for pesach? Or nothing?
Is your minhag not to use any year-round cookware for pesach, or do you ...
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Brands of KFP peanut butter in the US
Does anyone know which brands of peanut butter are Kosher for Passover in the US? Alternatively, I have heard that there is a list for Sepharadim of KFP products that contain Kitniyoth. Can someone ...
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Purple/Red Cabbage kashrut issues
Funny thing happened to me tonight.
I was buying some falafel and noticed that they did not have any "purple cabbage" (a.k.a. red cabbage) as a side dish option. I asked if they had any in back, and ...
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Can I use Bounty to drain my food? [duplicate]
Possible Duplicate:
Kashrus of Paper Towels
Using paper towels such as bounty can be very useful when on a diet for draining the oil off of foods.
However, I heard rumors that bounty is ...
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One-in-Sixty Versus Roiv- Why both?
There are two concepts in the Halacha of Bittul (nullification). One says that if there is an item that is Unkosher that falls into another item that is Kosher, and it is a mixture, and the Unkosher ...
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Bishul Akum: now what?
What is the kashrus status of a pot if the food cooked in it was Kosher, but cooked by Non Jew? Is the pot kosher or not?
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Giving away coupon to non-kosher restraurant
Can a "kosher eating only" Jew who receives a coupon for a free meal at a non-kosher restraurant give that coupon to another jew, even if they don't keep kosher?
I know you are not making them go and ...
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86 views
To what extent should one not sell unkosher goods?
I know that, as a Jew, I shouldn't sell unkosher goods. So, does this mean I can't directly make profit from selling unksher goods? For example, if I work for Walmart, and some one buys pork while I ...
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Reliability of the OKS
I dont know if this type of question is allowed but I was told to ask it here
The symbol is on some restaurants in the NY tri-state area (like Crumbs Bake Shop for example) and I have heard of quite ...
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Why is kosher grape juice rare alone but less so as an ingredient
My understanding is that wine or grape juice is s'tam yenam and forbidden if handled by non-Jews without having been cooked. (See, e.g., an explanation on chabad.org.) The practical result of this, ...
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“Blias” in today's pots and pans
Throughout all of Yoreh Deah Chelek Alef and Hilchos Pesach (and perhaps other places in Shulchan Aruch as well) we see the idea of "blias" ("absorptions") by celim. That is to say there is a "taste" ...
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Does it make logical sense to “not hold by OU kashrus”?
Apparently there are some people who do not rely on the OU for kashrus. I have seen a few online references (i.e. this Matzav post) that claim this makes no logical sense, since virtually every other ...
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Why would a product be “only for cooking and pureeing”?
A recent OU kashrut alert that I found on Kashrut.com says:
Kirkland Nature's Three Berries: Rader Farms, Inc.: This product bears a Half-Moon K symbol and should be used only for cooking and ...
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Throwing out food with “questionable” hechsher - bal tashchis?
If one receive cooked food from a person that perhaps used ingrediants from a hechsher that one normally wouldn't eat is it bal tashchis to throw out the food?
With packaged, store-bought food it ...
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How does one keep a kosher sink?
How does one keep a sink kosher when using two separate sets of plates and dishes?
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Synthetic unkosher meat?
Suppose tissue identical to that of a pig could be created synthetically (with kosher ingredients) in a science lab. The meat would be completely indistinguishable from pig meat, but it would never ...
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Dirt and Kashruth
Does dirt (an unknown foreign object that makes the food look bad) have a status of non-Kosher, such that if it were put in a pot and boiled or run through the dishwasher, it would make other things ...
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Does cheese without a hekhsher tref dishes?
I've heard that Rav Soloveitchik ztz"l used to eat non-hekhshered cheese. Can you explain how the creation of hashgachah agencies has changed whether things need hashgachah, and would it be reasonable ...
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“Safe” Foods in Non-Mehadrin Situations
Given the fact that both Mehadrin and Non-Mehadrin exist, what are foods that can be safely eaten in non-mehadrin places? I.e. they would not be problemaic.
(also, assuming Shemittah is not a ...
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Is there a higher standard of kashrut for chicken analogous to “chalak beit yosef” for beef?
If I understand correctly, if someone wants to keep an extra-super-high standard of kashrut for themselves, s/he can look for "chalak beit yosef" beef, which means ("super-glatt") the lungs had ...
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“Hospitality” Cereal Kosher?
It's a generic brand. I don't have access to the box and can't find any way to check…
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When is a grafted tree Kosher?
I understand that fruit isn't kosher if it is picked in the first 3 years of growth. However, what about grafting trees? If two branches come from trees that each more that 3 years old, but the ...
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Efshar LeSoḥato Asur - because or even though?
I'm trying to comprehend the concept of "אפשר לסוחטו אסור" (roughly: "if it's possible to extract it - something prohibited from something otherwise permitted - it is prohibited"). As far as I can ...
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Hand Cream Glycerin
Is there a problem according to any opinions of using creams and the like because of their treif animal content in the Glycerin of Sicha Kshtiyah:"annointing is like drinking"?
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Status of plastic drip coffee filter cone
What would be the status of the coffee maker cone shown below if it were to be used to make a cup of coffee in a dairy mug? Would it become dairy? Would it remain parve?
Here's how it works. It ...
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Dried insects - permissible?
I just read the website of a Kashrut inspection agency with which I'm familiar, but only insofar as I have seen it many times and tried, but failed, to find any information about the agency's ...
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Is Ever Min HaHai a Nevelah?
Does Ever Min HaHai have a Din of Nevelah? Does it render food cooked with it Nevelah? If it's meat from a Behemah Tehorah would it be Asur to cook with milk?
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Maris Ayin and bags from restaurants
Similar to this question, suppose there is a chain of restaurants that is mostly non-Kosher, but there happens to be one kosher franchise in the chain. The example I am thinking of is that there is ...
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Dead Fly on Hot Oily Pan [duplicate]
Possible Duplicate:
Does a pot that cooked food with a bug in it need to be kashered afterward?
Fly lands on hot oily pan and duly dies. Kashrut implications? (Of the pan, not the fly :p )
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Resources for the Kulot (leniencies) that the Rabbanut in Israel Takes [duplicate]
Possible Duplicate:
Mehadrin vs. Non Mehadrin
I am preparing a chabura on the leniencies that the Rabbanut in Israel takes. With the understanding that the various Rabbanut branches around ...
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Chazekes Kashrus - Permitted or Required to rely on it?
Is the concept of "chazekes kashrus" (presumption of being acceptable), particularly with respect to the kashrus of food, a reshus (permission) or a chiyuv (obligation)?
I.e. are we required to rely ...
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How was kashrut affected by Science?
I have been reading a lot of questions concerning kosher foods, to get a better understanding of what it means for something to be kosher. To an atheist, this site is very helpful.
But as a chemistry ...
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Can jews eat unclean animals when blood is removed?
http://www.mechon-mamre.org/p/pt/pt0512.htm
Notwithstanding thou mayest kill and eat flesh within all thy gates,
after all the desire of thy soul, according to the blessing of the
LORD thy God ...
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The Manna and non kosher taste
The Gemarah in Yoma 75a explains that the manna imparted all flavors except five flavors. Based on this idea, can one have in mind the taste of pork while eating the manna, or do we say that anything ...
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Chap stick Flavored Kashrut [duplicate]
Possible Duplicate:
kashrus of mouthwash, toothpaste, lip balm
Whats the Kashruse etatus os the flavored Chapsticks are they allowed or not?
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Worms (Tolaim) in dried fruit
With Tu B'Shevat in 2 weeks, and the Inyan of eating fruits many people eat dried fruit. What are the concerns regarding worms in specific fruits? How do you check to make sure that there are no ...
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262 views
Carnation Instant Breakfast substitute
Is there any non-dairy (or chalav yisrael) substitute for Carnation Instant Breakfast?
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Does every thing need a hechsher?
Do objects used in food preparation and foods that have no or little chance of being not kosher really need a hechsher?
Please cite sources, if you can.
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Waiting to reveal Kosher issue in order to get to the root of the problem
Suppose a Mashgiach realizes that a store is selling Treif meat, however is unsure as to the source of the problem. If he announces immediately that this store is selling something not Kosher he may ...
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Sharpening a knife as Ne'itzah/Kelipah
Can sharpening a knife be done as a form of Ne'itzah for removing a Kelipah for Kashruth concerns?
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Are preservatives called a “davar ha'mamid”
At the end of YD Siman 87 we find the dinim of "mamid". Over there it's speaking about cheese made in the skin of the kevah of a nevilah of treifah. The Rema explains that because it is an issur for ...
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Bentching after accidentally eating prohibited foods
Should one recite Birkath HaMazon after eating foods that one did not realize were prohibited, or does this fall under the idea that doing so is offensive?
