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

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Why is Kosher important?

Why is Kosher important to Jewish people? It is not necessarily healthy food from what I can see.
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488 views

Can Jews eat non-Kosher meat?

Is it permissible for a Jew to eat meat that isn't treif or forbidden flesh if it was not purchased from a kosher butchery? I was told by a Muslim friend of mine that non-halaal meat (except pork) ...
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1answer
135 views

Does a Chalav Yisroel milk bottle help?

There are many stores out there (e.g. Coffee shops) that have a hechsher, but are Chalav Stam. To get around this issue, some of these stores offer the option to request Chalav Yisroel milk for those ...
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2answers
1k views

Why assume coffee is kosher

Why can it be assumed that coffee from coffee shops is kosher? Why couldn't the equipment become unkosher through exposure to non kosher ingredients or when being cleaned? For example the Canadian ...
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1answer
494 views

Is human flesh a kosher food?

Is human flesh a kosher food? Please provide both modern and classical sources.
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3answers
953 views

kashrus of mouthwash, toothpaste, lip balm

What are the halachic and factual issues involved in, and various rabbis' holdings on, whether flavored mouthwash, flavored toothpaste, and flavored lip balm need to be kosher, or need a hechsher ...
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203 views

Comprehensive list of Kosher Products

Is there a comprehensive list on the web of all kosher products?
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843 views

A site to search Kosher Symbols by characteristics?

Several years ago, I found a website that let me search and sort Kosher symbols by look and other characteristics. It seemed like each symbol was tagged with its distinctive features. This was very ...
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2answers
271 views

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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1answer
42 views

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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425 views

Fresh fish need hechsher

Does fresh fish from a supermarket or fish market require a hechsher? I would be tempted to believe that a fish known to be of a kosher variety would not need certification since there is no shechita ...
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2answers
169 views

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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6answers
1k views

Fish eaten with milk?

Is there any halachik problem with eating fish and milk together? (A classic example is a bagel with lox and cream cheese)
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3answers
310 views

Finding Meat After 6 Hours

Suppose you wait 6 hours (or more) and then realize you have a small piece of meat stuck in your teeth: Do you have to remove it before eating dairy? [assuming you have to remove it] Do you have to ...
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1answer
216 views

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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6answers
2k views

Why is Soy milk considered Parve and not Milchig/Halavi?

Considering that milk is forbidden with chicken (as stated in this answer), because chicken could be confused with meat, why isn't soy milk considered milchig as well? In Israel, chicken is ...
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2answers
458 views

Can you kasher earthenware or porcelain utensils?

I read in the Kitzur Shulchan Aruch of the Yalkut Yosef that if one cooked dairy in a earthenware meat vessel, and if the vessel is valuable, then one can perform hagalah on the vessel three times ...
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3answers
1k views

How much does one have to eat to become Fleishigs?

Is there a minimum amount of meat or chicken required to be eaten in order to change one's status to being "fleishig" (i.e. so that he would have to wait before eating dairy)? [same question can be ...
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6answers
723 views

Dairy that you have to wait 6 hours after eating it

Which dairy is considered sharp and requires you to wait 6 hours afterwards, prior to eating meat?
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1answer
485 views

Hot water tap at work

Many offices have a water dispenser (with hot water spout) or a hot water tap next to a sink. Is this hot tap Kosher? Assume for a moment that someone uses the tap to dispense hot water into a cup of ...
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2answers
225 views

Need to kasher a knife after sticking oneself

If I poked myself with a knife and possibly got blood on it; does it have to be kashered.
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1answer
69 views

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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3answers
573 views

Should one induce vomiting upon realizing s/he just ate non-kosher?

I've heard several stories of people who ate something, realized it was non-kosher, and therefore induced vomiting. Is this halachically required? Recommended? Does it accomplish anything? (If not, ...
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3answers
682 views

Can I trust a non-kosher home's coffee pot?

I thought I heard that its ok to use a coffee pot in a non-kosher home, but I could be mistaken. Does anyone know?
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2answers
759 views

Does instant coffee (regular - not decaffeinated) need a Hashgacha?

There are certain raw ingredients that do not require a Hashgacha (salt, water, eggs, etc.). Does instant coffee (regular - not decaffeinated) need a Hashgacha? If yes, why?
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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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1answer
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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?
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1answer
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Making a Berachah on rabbinically prohibited foods

Should one refrain from making a Berachah on rabbinically prohibited foods, or does that rule only apply to biblically prohibited foods?
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Who determines the kosher status of “new” foods?

Who determines the kosher status for "new" processed foods (e.g. Jell-O)? A few orthodox rabbis' approval? General consensus by the Jewish religious community? Certain kosher standards organizations? ...
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1answer
509 views

fruit-flavored tobacco Kashrut

Do the fruit-flavored tobaccos that are widely used in hookahs require a Kashrut certification similar to foodstuffs? If yes, why; if not, why not?
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1answer
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Transfer of taste to/from non-food items

There are a number of heating pads on the market for heat therapy cures and general warmth in the winter. Some are electric, but some of them need to be heated in a microwave or an oven. If you heat ...
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2answers
333 views

Kosherizing Water using Distillation

Suppose I have water that was cooked with non-kosher food. I then take the water and distill it. Would this water be considered permissible to drink?
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5answers
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What Issues Exist with the Tablet K Hecksher?

The Tablet-K hechsher is quite common on products in US supermarkets - especially cheeses. There seems to be a strong sentiment that it is not an acceptable hechsher, but I've heard no halachik ...
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1answer
715 views

Food in bathroom

Is one allowed to take food into the bathroom? I heard that the prohibiton is only on the type of bathroom used years ago.
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4answers
339 views

Is autocannibalism halachically prohibited?

I was wondering if sucking your own blood or biting at your own scab or otherwise consuming yourself was halachically permissible, since, as far as I can tell, humans are not kosher. Even so, it would ...
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1answer
329 views

Bitul BeRov - the classic case in real life

In Halachah there's a tremendously powerful concept of Bitul BeRov (nullification among the majority). It goes like this: If you have three identical pieces of meat, and you know for a fact that one ...
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2answers
337 views

Issues with cooking meat and milk at the same time

What issues are there (either potential or inherent) in cooking meat dishes and milk dishes at the same time on the same stovetop (not in the same pot)? Please also compare benefits and problems ...
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What possible Kashrus concerns may exist with these vitamins?

Recently my child's Doctor prescribed vitamin drops for my infant son. When I went to the pharmacy to fill the prescription the pharmacist said that the vitamin drops prescribed are Treif, and the ...
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2answers
198 views

Is it permitted to eat dirt?

If you find small (but visible) pieces of dirt on your food or drink is it permissible to eat it? Are there sources that discuss this? By dirt I mean "an unknown foreign object that makes the food ...
15
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4answers
843 views

What is the basis for eating in someone's house without a kashrut certificate?

No one asks for a kashrut certificate to eat in someone's house; they just make a rough judgement based on the host's reputation (the way they dress or behave, the circles they move in, etc.). That ...
11
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1answer
894 views

Drinking cold kosher beverages in a non-Jewish relative's house

Let's say you're staying at a non-Jewish relative's house. He bought you kosher food because he knows you keep kosher. He buys you a drink such as milk. You see him pour the drink for himself into his ...
6
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1answer
656 views

Eating in less-religious homes

May one eat a meal in the home of one who attended yeshiva and who one considers trustworthy vis-a-vis making sure everything is kosher for their guests, however, one is reasonably certain they do not ...
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1answer
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Timtum Halev not b'derech achila

Does the notion of Timtum Halev -- dulling of the heart (spirutal damage) which Rabbeniu Bachaye explains in Vayikra 11:43 -- apply when the non kosher food was put in one's body without doing it ...
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6answers
440 views

why create non kosher animals?

why did hashem create non kosher animals, was it to tempt us and see if we would control ourselves?
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4answers
776 views

Are Animal Crackers depicting non-kosher animals non-kosher?

Are animal crackers that depict animals such as swine, lions, and camels treif?
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1answer
146 views

Place Mats - Why and When?

When are placemats needed when eating, and why are they needed?
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2answers
419 views

Orthodontics and period between eating fleischig and milchig

Since orthodontics often impose many artificial little crevices and wires and generally make one more susceptible to having bits of food stuck in the mouth for extended periods of time, is it ...
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4answers
233 views

Waiting Less Time on Shavuos

My family has a minhag to wait less time (3 hours as opposed to 6) between Meat and Milk on Shavuos. I was wondering if this has a written source? [or if not, has anyone else heard of it?]