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

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What's the halachic advantage of double (or triple) wrapping food?

I've heard of both double and triple wrapping when it comes to shielding a food item in an oven with regards to Kashrus. What exactly does double or triple wrapping accomplish that one wrapping ...
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4answers
2k 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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5answers
2k views

Is Extra virgin olive oil kosher by default?

I was given extra virgin olive oil as a gift from Italy (picture below), and I wanted to see if that type of olive oil is treated like fruits and vegetables, or does it needs to have certification on ...
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1answer
305 views

Veal and Kashrus

Is there any kashrus issue with veal? What about with white veal?
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1answer
153 views

Is a Jewish farmer allowed to raise animals for non-kosher slaughter?

Is a Jewish farmer allowed to raise animals for non-kosher slaughter? Does it make a difference whether it is a non-kosher animal (e.g. pig), vs. a kosher animal? Does it make a difference whether the ...
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1answer
194 views

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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3answers
571 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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3answers
116 views

Is there any reason (based on the laws of kashrut) that one cannot brine kashered meat?

On Seasoned Advice, there is a question regarding brining kosher birds. Is there any halachic reason that one cannot brine meat that has already been kashered?
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1answer
112 views

chicken kashrus

When buying chicken from your local kosher butcher, what signs should one look for that would indicate there may be a question about the chicken's kashrus? Does it matter whether one bought a whole ...
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1answer
457 views

Working in a non kosher yogurt store

I was asked a question this afternoon and I don't know a good answer (yet) so I'm posting it. I have been asked in the past whether a Jewish person may work in a non-Kosher restaurant that serves ...
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1answer
159 views

How to prevent holes when double wrapping food?

When cooking milk in a meat oven (or kosher food in a treif one) I often find that when one wraps using aluminum foil, small holes appear (probably from the heat). I was wondering if anyone knows a ...
6
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2answers
195 views

Hagala for a new pot

I know that there is a halakhic necessity to tovel a new pot. However, has anyone ever heard of the halakhic necessity to do hagala on a new pot? Reason for asking was this.
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3answers
139 views

What is flavored beer vis-a-vis kashrus?

As referenced in Shalom's answer here, the cRc alcohol list here, and many other places, non-flavored, domestic beer can be assumed legally drinkable according to halacha. What constitutes flavoring ...
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2answers
335 views

Is the cat figurine thing a problem at kosher Chinese restaurants?

It seems like all kosher Chinese restaurants have this cat-statue thingy in the front: Is there any Halachic problem with that? I assume not, if they're all kosher-certified; but why not?
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1answer
212 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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1answer
185 views

How to identify Yashan

I would like to serve food to a friend who observes the restrictions against eating Chadash grain products, but I don't have access to a guide on identifying Yashan. However I have heard, for ...
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2answers
146 views

If a restaurant is already halal, how much more work is it for them to become kosher?

There is a middle-eastern restaurant1 (independent, not chain) near my workplace that my coworkers think highly of. Today I learned that it is halal (some info about what that means), which got me ...
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2answers
397 views

Is human flesh a kosher food?

Is human flesh a kosher food? Please provide both modern and classical sources.
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1answer
238 views

How far does Chaticha Naaseh Neveila go?

Someone cooked an article of food in his kitchen in 2000. In 2010, he discovered that it was treif Gamur. Between 2000 and 2010 he changed all his cutlary, plates, etc. so that nothing that he owns is ...
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5answers
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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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1answer
69 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?
3
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4answers
264 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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3answers
278 views

Are homeopathic remedies kosher?

I'm not sure what they put in the remedies but I would like to know if they are kosher and would batel beshishim apply in this case if there was a non-kosher ingredient?
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1answer
117 views

Jewish Person Selling Non-Kosher Product

At a local convenience store near my work, they stock all sorts of non-Kosher products. However at the cashier's desk is a guy obviously orthodox Jewish (Curls down from the side, Black Clothing ...
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0answers
88 views

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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2answers
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Are there any brands of mustard powder (flour) that are kosher for Passover for Sephardim?

Prepared mustard (containing vinegar and the like) is certainly not kosher for Passover. According to Ashkenazic practice, the mustard plant itself is included in "kitniot" and prohibited on ...
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0answers
34 views

Kosher flavored beer without certification on the bottle?

I've always heard that the rule in the United States is that domestic non-microbrewery/craft unflavored beer needs no certification as kosher, as all such beers are kosher, but that any other beer ...
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1answer
152 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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1answer
37 views

What do we do with Chazaka's that don't seem to hold?

Inspired by this comment, there are Chazaka's (presumptions) and principles of נאמנות (trustworthiness) in Halacha that no longer hold in our practical experience. One example is עד אחד נאמנן ...
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2answers
312 views

Halachich law about inviting a Jew for dinner by a Gentile

" I know that Observant Jews are commanded by law to eat Kashrut or kosher, so I as a Gentile can invite my Jewish friend for having dinner in one of marriage or engagement function ? what food items ...
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1answer
88 views

Must a non-Jew who eats trief or a nevaila immerse himself?

Vayikra 17:15: And any person, whether a native or a stranger (gair), who eats carrion (nevaila) or what was torn (trief), shall immerse his garments and immerse himself in the waters, and shall ...
2
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1answer
535 views

Can Jews eat hunted animals?

Can Jews eat hunted animals? That means the animals are dead before getting their necks cut. I do not think ancient Jews were hunters, but I would be surprised if I were to find that there was no ...
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2answers
377 views

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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4answers
507 views

How can you get hot kosher food on campus?

So you're living in a college/university town with no kosher restaurants. How can you get hot kosher food?
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1answer
309 views

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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2answers
215 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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2answers
155 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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1answer
66 views

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?
2
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1answer
298 views

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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2answers
235 views

“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 ...
2
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1answer
170 views

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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2answers
46 views

Does flavored drip/ground coffee require a hechsher?

It seems like plain unflavored coffee does not need a kosher certification. Does flavored drip/ground coffee require a hechsher?
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1answer
48 views

Mashgiach and a restaurant staying open on Shabbos

This question notes that in Israel, a restaurant cannot receive a hashgacha if they are open on Shabbos. However, in the U.S. this doesn't seem to be the case. What rules do mashgichim rely on to ...
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2answers
125 views

May a person order food from a vegan restaurant

May a person order food from a vegan restaurant? — assuming you aren't ordering cooked food, to avoid the problem of bishul akum. If your ordering let's say a salad, what could be the problem? ...
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1answer
83 views

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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1answer
76 views

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
45 views

Is there a problem with “Mar'it ayin” by attending a company picnic?

Theoretical: Let's say that a company plans a picnic in a "semi-park" area. I.e. - it is a tree-lined public thoroughfare that many people including Jews, walk through. (I added this fact b/c I have ...
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2answers
105 views

Grill used for neveilot

Assuming I have a grill and someone I know uses it, without my permission, to cook meat from a neveilah (or perhaps not, but kosher species without certification). What is the status of the grill and ...
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2answers
117 views

Off the Derech Parent [closed]

In what instances to kibbud av v'em apply to a parent who has become less religious? For example, of the following points, which battles are worth fighting? Kashrut Shabbat Chaggim tzniut As ...
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1answer
96 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 ...