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

learn more… | top users | synonyms (3)

3
votes
2answers
3k views

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 ...
2
votes
1answer
83 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 ...
2
votes
1answer
93 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 ...
2
votes
1answer
166 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 ...
2
votes
0answers
56 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.
2
votes
1answer
45 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 ...
2
votes
1answer
91 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
votes
2answers
442 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.
2
votes
4answers
517 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?
2
votes
1answer
364 views

How does one keep a kosher sink?

How does one keep a sink kosher when using two separate sets of plates and dishes?
2
votes
2answers
222 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 ...
2
votes
1answer
73 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
votes
1answer
318 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 ...
2
votes
2answers
244 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
votes
1answer
183 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 ...
1
vote
0answers
64 views

Which Animals Have Only One Kosher Sign?

Vayikra 11:4-7 mentions four animals that either chew their cud or have split hooves, but do not posses both kosher signs and are therefore not kosher. At the present time, is this a complete list or ...
1
vote
2answers
73 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?
1
vote
1answer
117 views

Can I eat chocolate melted in a meaty pot and then combined with dairy?

Suppose I'm making some dessert, like cheesecake or ice-cream sundaes, by melting chocolate and pouring it over the dairy dessert. I realize after doing this that the pot I used was fleishig and used ...
1
vote
1answer
59 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 ...
1
vote
2answers
143 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? ...
1
vote
1answer
85 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?
1
vote
1answer
90 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?
0
votes
2answers
132 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 ...
0
votes
1answer
101 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 ...
0
votes
0answers
38 views

Sharpening a knife as N"T [duplicate]

Is sharpening a knife a concern of Nothein Ta'am in Kashruth matters?
-1
votes
1answer
79 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, ...
-1
votes
2answers
306 views

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 ...