Questions tagged [kashrut-kosher]
Kashrut (also kashruth or kashrus, כשרות or כַּשְׁרוּת) is the set of Jewish dietary laws.
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When was kosher certification created? [duplicate]
When was kosher certification created? Another way of saying this question was when did the Rabbis say that it was appropriate to have a governing body (such as the OU, Star-K etc...) which oversees ...
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Kosher ice cream at an unsupervised franchise location [closed]
Are there any sources that discuss how to deal with buying kosher food served at an establishment that doesn't have a mashgiyach?
Many franchises, such as baskin robbins, 16 handles, carvel, etc. sell ...
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What is the significance of lentils in the Jewish religion?
There is off course the story of Jacob and Essau that has a serving of lentils as part of the story. What other significance does the legumes have?
As I understand it was the second most important ...
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If dairy and meat come from the same Star Trek replicator, would it be Kosher? [closed]
Apologies for my limited understanding of Judaism, but as far as I am aware, Jewish dietary laws prohibit mixtures of meat and milk. I remember a friend's housemate requiring a second sink and set of ...
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Semichas haparshios between Shemini and Tazria
I have seen a fairly well-known dvar torah numerous times that links the end of the Parshas Shemini with the beginning of Parshas Tazria - but I am trying to find the source of it.
The vort is as ...
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Does Kosher for Passover imply kosher all year round?
Many products say "Kosher for Passover and all year round". Isn't "kosher for Passover" also automatically kosher year round?
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Conflicting Kashrut indications [duplicate]
A box of Manishewitz dark-chocolate-covered matzah says in the front that OU certified it as parve, but says in the back: "May contain nuts, soy, milk". Why the disconnect? Does it mean ...
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Kosher for Pesach substitutes -- aren't they too real?
I was always bothered by the fact that some Pesach food (cookies and the like) looks very real, almost like the original.
Are there any authorities who have taken this as an actual issue? Isn't it ...
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What is the specific act that cooks wheat into matzoh (and where does this leave Wondra)?
My housemates saw the hechsher on a box of matzoh, and posed a question that I think I know the answer to, but I don't know why. They asked: could Wondra flour ('precooked' flour) be kosher for ...
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What is the Kashrut status of Sefichim harvested during Shmita?
There are a good number of articles online which explain the boundaries around produce grown and harvested during the Shmita year against halachic parameters, but not what happens if one cooks with it ...
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Is fair-made lemonade kosher?
I was at a fair the other day and there was a stand selling lemonade with just pressed lemons and cane sugar water. The stand was also making deep fried dougnuts and cold brew coffee.
Does the ...
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May a Jew deliver non-Kosher food to another Jew? [duplicate]
With the increase in usage of food delivery services such as instacart or uber eats many people now have their food delivered to them. I would like to know if any contemporary authorities discuss the ...
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Cooking meat and milk but not benefitting from it
Is it forbidden to cook meat and milk if one wasn't to benefit from it? The situation is being a culinary class in a non-Jewish school - would I not be able to participate in cooking if there was meat ...
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Is a genetically modified pig organ in [duplicate]
If you are unaware, doctors recently performed a surgery in which they added a genetically modified pig kidney into a living person.
I was curious, does this violate laws on kosher? Would it be ...
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Can a volcano, geyser, or hot spring become treif?
All of these things are at a constant hot temperature.
If a pig (or substance used for idolatry, like Yayin Nesech or idolatrous water) falls (or is intentionally placed) into one, can you drink or ...
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Farming with excrement or remains of unclean animals
What if any prohibitions are there on the intentional use of excrement from unclean animals as fertilizer for crops? Must it be buried, for example?
Does the same apply to the intentional use of ...
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NYC Tapwater filter
I recently moved to NYC and am concerned about copepods etc. in the tap water. I can't install a fancy under-sink filter nor do I want to refill a Brita pitcher all the time. Are there any other ...
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Why no issur hana'a on leather from non-kosher animals?
In the second perek of Maseches Pesachim, there's a sugya dealing with a machlokes between Rabbi Abahu and Chizkiya regarding whether there is an issur hana'a in addition to issur achila regarding all ...
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Shechita only during the times of the Beis Hamikdash
Can someone point me to where in the Talmud there’s an opinion that shechita is only required during the times of the Beis Hamikdash?
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What is the kosher status of quail and pheasant and other similar birds? How do they differ from turkey?
It was mentioned somewhere that we didn't have a mesorah for turkey, but somehow it became accepted as a kosher bird within the Ashkenazi population.
I'm wondering what the status of quail and ...
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Did early-20th-Century poskim speak to reliance on ingredients lists on labels?
It seems to be common knowledge that before the OU hechsher on food packages, American Jews frequently relied on the ingredients lists on labels to identify kosher food.
Did poskim of the day oppose ...
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What is this "vvk" or "AAk" hechsher?
A dietary supplement claims to be kosher:
The Ⓥ is probably to indicate it is vegan, and isn't the hechsher of the Vaad Hoeir of Saint Louis, but the ᓫ𝗄 remains a mystery.
I've checked all the lists ...
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May one take vitamins without a hechsher? [closed]
I.e, vitamins from big pharmacies. Are there kashrus issues? Must they be certified?
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Definition of Cheese
Jews are prohibited the consumption of Gentile cheese. Now my question is what qualifies as cheese, or what is the halachic definition of cheese. For it cannot be that something is prohibited simply ...
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How do I find "Frum" Authors and their Novels on Amazon Kindle?
I am a big reader.
Was only able to find around 30 novels in Amazon Kindle through searching by these 3 authors:
Ruth Benjamin,
Chaim Walder,
& Ruthie Pearlman.
Where do I get a full list of "...
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Kuntris in English on Gelatin
A few years ago I saw someone who wrote a kuntris (Torah journal) on gelatin in english. It discussed all the halachic issues with it. I think it was put out a while ago but I don't remember who put ...
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Why was camel milk not unclean?
If the camel is unclean why was its milk drank?
https://biblehub.com/interlinear/genesis/32-15.htm
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Halachic dispute over 'Geshtuppte Ganz' (Goose Liver) - Stuffed-goose dish
I was reading the Artscroll biography of the Tosher Rebbe and it writes on p.283 the following:
He recalled how his grandfather the Saba Kadisha, had warned him against eating geshtuppte ganz, the ...
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Genesis Chapter 9 : 3 Meaning
Genesis 9 : 3
Every creeping thing which is alive shall be food for you. I have
given you all things, even as the green plant.
I am a Torah keeper but this verse seems to be contradicting. Can ...
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Leviticus 11:26 Divided Hoof vs Cloven Footed
Leviticus 11:26
even every living thing which divides the hoof, and is not cloven
footed, and does not bring up the cud, they are unclean to you; anyone
who touches them shall be unclean.
What's the ...
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Ancient Jews eating only fish with fins and scales?
“The Pentateuchal Dietary Proscription against Finless and Scaleless Aquatic Species in Light of Ancient Fish Remains” published in the peer-reviewed Tel Aviv archaeological journal on May 24, 2021, ...
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Does the mitzvah to eat shmita produce apply to heter mechira?
i saw an article a few years back, I believe written based on a shiur by Rabbi Shlomo Aviner, promoting heter mechira.
Towards the end of the article, he was advocating why heter mechira was ...
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Listing kosher creatures
The Torah [Lev. 11] says that fish must have fins and scales to be kosher -- no need for more specifics. For birds, it has no general rule but specific listed birds are not kosher. Winged things ...
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Why are we allowed to eat flour?
The Torah explicitly says that we may not eat blood because the blood is an essential element in effecting Kaparah (as explained in Vayikra 17:11 among other places):
כִּי נֶפֶשׁ הַבָּשָׂר בַּדָּם ...
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Is contamination from lack of kashrut reversible? [duplicate]
We are taught the kashrut mitzvot are meant to elevate our holiness and avoid spiritual contamination. What of an uneducated Jew that for most of his/her life did not keep kosher and eventually became ...
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Items not labeled Kosher for Passover [duplicate]
What halachic concern(s) are there with items which are 100% non chametz and do not contain chametz (e.g. olive oil - or for that matter avocado, cottonseed and whatever other types of oils, pure ...
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How much beer/whisky would one have to consume to be chayav m’doaraisa?
How much beer/whisky would one have to consume to be chayav m’doaraisa?
Also why biblically is there a prohibition on liquid chometz if it’s in the form of a liquid and not leavened bread? We know by ...
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Can you eat foods during Passover, if you already opened and ate from the package before Passover?
Let's say that a person opens a jar of pickles that is kosher for Passover, and eats from it during the week before Passover starts.
Can the jar still be used during Passover?
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Why are some Matzah labeled as not being kosher for Pesach/Passover?
What brought me to inquire about this topic (besides seeing products as being labeled not kosher for Pesach) was the name Matzah itself. Matzah by definition means unleavened bread. I understand that ...
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Does food absorb a chametz ta'am if there is no heat (or equivalent) involved?
This is a case where I am fairly certain that I know the practical halacha, but don't understand the issues underlying the practice.
Let's say you chop up some apples and nuts before Pesach on a ...
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Aged tequila on Pessach
I've noticed that the lists of aged (reposado and añejo) tequila approved for Pessach went from a fairly sizeable number in 5780 down to two in 5781. Someone I know, who is an executive in a ...
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Can a Kohen be a vegetarian or vegan?
It's my understanding that eating meat for a Jew is optional. We are not commanded to eat meat but if we have the desire we may do so as long as it follows kashrut restrictions. On the other hand, are ...
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Why are trace amounts of chametz in milk or eggs bittul before Pesach, but not in spices or quinoa?
(Note: It's entirely possible that one or more of the premises of this question is incorrect; if that's the case, I would very much appreciate any clarification of what the actual underlying halacha ...
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Kashrut Status of Certain Oral Tobacco Products During Pesach
NOTE: I plan to pose this question to a qualified Rav. But first I am trying to think through the relevant issues to get a sense of how one might pasken this.
My question is regarding whether snus ...
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Is there any thing in judaism that says cook your food well at high temprature
Is there any thing in judaism that says cook your food well at high temprature
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What are the permitted equivalents of what the Torah prohibits?
The Talmud says that for every thing God has forbidden, He has created an equivalent that is permitted. [Chullin 109b] It then gives a short list of such equivalents, such as marrying your neighbor's ...
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Ki'bolo Kach Polto
Why can't a utensil that became trief at, say 150 degrees be kashered with water that is 151 degrees? Why must the water be boiling?
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Mushrooms from the carcass of a non-kosher animal
Some Mushrooms can grow from decomposing animals.
Would there be any (kashrus) problems with having mushrooms that grow from the carcasses of non-kosher animals?
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Halachic status of Beefalo
I just learned of the existence of the beefalo:
I was wondering:
a. Is it considered Kil'ayim (a forbidden hybrid)?
b. Is it kosher, that is, can it be slaughtered and eaten (I think this would ...
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Tikkun for Timtum HaLev
Is there teshuva/tikkun for timtum halev (specifically for forbidden foods)? Please cite sources.
