Questions tagged [kashrut-kosher]

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

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11
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1answer
305 views

The stolen maple syrup and kashrus

Does anyone know if there is going to be a kashrus problem with maple syrup next year? A rather large amount of maple syrup was stolen last year. The thieves did not keep it in the original casks, ...
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108 views

If the Dodo bird had a tradition of being kosher & was resurrected, would it be OK to eat again?

Came across an article titled "Could scientists resurrect the dodo bird?" and it made me wonder: suppose there was a mesorah that the Dodo bird was kosher before it went extinct in 1681. If we in ...
6
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2answers
144 views

When can kashrut certification be withheld?

In today's news (11 Dec 2018): "Rabbis from the Vaad HaRabanim of Flatbush, which grants kosher certification, threatened to pull their supervision of the Garden of Eat In and Orchidea if [a certain]...
6
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1answer
267 views

What defines a “בהמה” (also “חיה”) for the application of kosher-animal indicators?

As discussed in *Asher Bamayim* (אשר במים) in kashrus halacha, *Tzomeach* (צוֹמֵחַ) in kashrus halacha, and *Of* (עוֹף) in kashrus halacha, there are different rules used to determine the kashrus ...
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Graven Image Question

Can someone give me sources from Tanakh and Halakhah on why it is permissible for a Jewish [certified kosher] bakery to make images from Christianity and their winter holiday? And if it is permissible,...
5
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2answers
199 views

Unsupervised milk - there was a treife animal in the herd

I heard in a recent shiur that Dayan Weiss zatzal paskened that an animal that delivered its young via caesarean section is considered a treife. Therefore its milk cannot be drunk. When supervising ...
5
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312 views

May one order food from Amazon Prime after Pesach?

May one order chametz from a publically-traded company (Amazon) which may have had food pass through any number of distributers on the way? The service in question is Amazon Prime Pantry.
5
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0answers
104 views

Pouring honey into a hot beverage

Can pouring honey into a hot beverage, such as tea, create a Kashruth concern? In particular, if you pour honey into hot tea with milk, can you later use the same bottle of honey to add honey to a ...
5
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0answers
239 views

Opened “please-take!” food items in a non-Jewish workplace

Is it alright to consume unsupervised food items at work that are open and available to anyone, assuming the items were initially known to be Kosher1 and there's no evidence of tampering? Items that ...
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47 views

Are there ways of reheating non-kosher food in a kosher oven

Are there ways of reheating non-kosher food in a kosher oven without rendering the oven non-kosher?
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What is the Shaḥaf according to Ḥizquni?

The שחף (Shaḥaf) is a bird forbidden by the Torah in both Sefer Wayiqra and Devarim. Ḥizquni (חזקוני, Rabbi Ḥizqiyah ben Manoaḥ), writing in Old French, states (Wayiqra 11:16): אשפמר"א ויש אומרים: ...
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May one broker the sale non kosher restaurants?

one may not do business with foods that are forbidden to eat (shulchan aruch yore dea 117) However, if a person's business is not selling the treif item and will never comes to own any of the product ...
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173 views

Can salami mold make dry-aged salami un-kosher?

I am making beef salami, using kosher meat, and I would like to know if the mold that is introduced to form on the outside can make it non-kosher. Background info Dry aged meats take advantage of a '...
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Explanation of מיגו דהאי לאו דאיסורא הוא דהאי נמי לאו איסורא הוא

The Shulchan Aruch in Y.D. 110:7 writes (based on Zevachim 74a and 77b, as explained by Rashi): דָּבָר שֶׁאֵינוֹ בָּטֵל מֵחֲמַת חֲשִׁיבוּתוֹ, כְּגוֹן בַּעֲלֵי חַיִּים וּבְרִיָּה, וַחֲתִיכָה ...
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63 views

forgetting about chometz in someone else's property

If one has property in non Jew's house for storage that is chometz and one pesach the owner forgot about this chometz. The nature of the storage being unpaid for and not even set aside in a specific ...
4
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0answers
89 views

History of separating milk and meat dishes

What are the origins of having separate milk and meat dishes? It seems to be a generally accepted practice, and there are many Acharonim that talk about it. Where was the idea first introduced and how ...
4
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1answer
306 views

Alcohol sales despite government monopoly

Many places have government imposed alcohol monopolies and private retailers of alcoholic beverages are forbidden. As alcohol, especially (red) wine, has a central place in Jewish practice and as ...
4
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101 views

Does food need to be double-wrapped for the fridge?

I am familiar with the idea ( What's the halachic advantage of double (or triple) wrapping food? ) that double-wrapping is necessary for a halachic separation in certain kashrus contexts. However, ...
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148 views

The opinion that microwaves don't need to be kashered

So I remember hearing this opinion that followed like this: "Microwaves do not need to be kashered because the means of cooking in a microwave are different than those spoken about in the Gemara." ...
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55 views

*Tzomeach* (צוֹמֵחַ) in kashrus halacha

To find the kashrus status of an organism, we first need to correctly classify it as tzomeach, animal, bird, or fish, as each group has its own distinct requirements. E.g., animals need to chew cud ...
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335 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 (...
4
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1answer
284 views

If I left my kitchen under the control of someone who is a Gentile or not Shomer Shabbos, is it still kosher?

If I left my kitchen (or set of kosher dishes, etc.) with someone who is a) not Jewish or b) Jewish but not shomer Shabbos--in such a way that they could access it and hypothetically do anything they ...
3
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72 views

The Secret of Nature Valley

What, if any, might be legitimate halachik concerns with uncertified Nature Valley granola bars? Their "Crunchy" line of products seems to be certified as OU pareve(?) However, many of their other ...
3
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47 views

Why does steam impart dairy or meat status onto a cover?

Steam is a separate category as aroma in hilchot Kashrus. The former, if hot, contacts a pot cover, that cover would take on the dairy or meat status of the food below it. However, when water is ...
3
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37 views

Case Study: Kashrut of Tapioca Starch

I have heard different answers from representatives of the cRc and the Star-K regarding the kashrut of un-certified tapioca starch. While both agree that it requires a hechsher for Pessach, the Star-K ...
3
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0answers
222 views

The Star-K Potato Test: How does it work?

I had seen on the Star-K website that one may determine if a microwave needs to be kashered by baking a potato in it and then placing one's hand on the roof of the microwave to determine if it's yad ...
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310 views

Would leavened bread made from matzo meal be kosher for Passover?

Flour which is wet for 18 or more minutes is considered to be "leavened", and therefore chametz. However, though there's some disagreement, this restriction is generally not applied to matzo, or food ...
3
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68 views

Fitting for an animal to eat besides a dog

In many halachos about food (Kashrus, owning Chametz on Pesach, etc.), a standard for determining if something retains its status as food is if it is "fitting for a dog to eat." What about other ...
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177 views

Why do soft cheeses made by gentiles, like cottage cheese, have a hechsher, while others like mozzarella not have a hechsher?

I noticed Rav Abadi says all soft cheeses made by gentiles are kosher. Do other poskim also hold like him? If yes please post who. Both cottage cheese and mozzarella require rennet, so I'm not ...
3
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164 views

Would a non-kosher Earth animal born in space be kosher?

Inspired by this question. The question linked quotes Sanhedrin 59b in saying that if an animal came down from heaven (whether it had kosher signs or not) it would be kosher. If I were, however, to ...
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58 views

Length of time for waiting for hard cheese proportionate to the length of time it was aged

In a Halachic pamphlet I saw before Shavuos this year, it mentioned an opinion that one must wait after eating hard cheese one hour for every month it is aged (so if it was aged three months, three ...
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62 views

Verifying powdered milk

If someone keeps cholov Yisroel but is lenient when it comes to powdered milk, is there a halachically reliable/valid way to verify that a product is made with powdered milk as opposed to fresh milk, ...
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0answers
136 views

Why did they stop packing the gizard, neck and liver inside the chicken cavity?

Why did they stop packing the gizard, neck and liver inside the chicken cavity? I think this practice stopped about 25 years ago. When I was a novice cook, I didn't know that I had to first take out ...
3
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0answers
166 views

Can Food Remnants make you fleishig/milchig

ב"ה Can food remnants, like stains, make you fleishig/milchig? For example, if I had a steak and got it on my sleeve, then the next day wiped my mouth with that sleev,e can I become fleishig from ...
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0answers
137 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.
3
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129 views

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 ...
3
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0answers
252 views

Eating treif under hashgacha

What happens if someone eats at a restaurant with a kosher certification (hashgacha) but is served, and unknowingly eat non-kosher? What are the spiritual and halachic ramifications to all parties ...
3
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1answer
239 views

Poskim who hold chalita is necessary?

Are there any famous rishonim or achronim (outside of Yemen & besides the Rambam) who hold doing chalita to meat is necessary?
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Is ta'am (flavor) physical or metaphysical?

The Talmud and Geonim seem to speak about ta'am and it's ability to transfer as being a very physical process. The literature reads as if one would be able to taste the transfer of flavor from one ...
2
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0answers
126 views

What to do in face of total ban on kosher meat?

If a country bans shechitah and also bans the importation of kosher meat, do the Jews of that country have to go vegetarian according to dina d'malchuta dina?
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Mechanics of making matza on Pesach

When making matzah at home during the Pesach week, is it correct that one needs to ensure that not only is the matzah itself completed in 18 minutes, but also that all the utensils and bowls are ...
2
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0answers
66 views

Hot pareve pot on fleishig (or milkhig surface)

If one's intention is to keep food pareve, is it permissible to put a hot pot (above yad soledes), full of pareve liquid onto a meat or dairy surface? Does the pareve liquid become fleishig/milkhig? ...
2
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1answer
628 views

Looking for hechshered plain kefir Kosher for Passover

Does anyone know of hechshered plain kefir gluten free no additives Kosher for Passover? Kefir is a fermented milk product (cow, goat or sheep milk) that tastes like a drinkable yogurt. Kefir ...
2
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0answers
97 views

Un-kosher pan in a kosher oven

If someone has a perfectly kosher oven which is designated only for dairy and parve meals. He accidentaly put there a non-kosher pan with some dairy food. What now, is his oven still kosher after that?...
2
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0answers
52 views

Why list all Kosher Behaimos and their Simanim

The Torah lists 10 Kosher Behaimos and then lists the Kosher simanim required (split hoofs, chews cud etc.) Why does it list both ? In Deuteronomy 14:4-5 it lists "these are the Behaimos that you may ...
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0answers
124 views

Kosher birds in the Torah

Why is it that the Torah only mentions the non-kosher birds (24 of them), but doesnt mention their simanim, While by the kosher animals the Torah does mention simanim and which specific animals are ...
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0answers
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Can chewing food very well eliminate the issue of eating bugs?

If the prohibition of eating prohibited foods does not take place until it passes ones throat (Hanaat Grono), would chewing fruits and vegetables (that have a bug concern) very well be enough to ...
2
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0answers
131 views

Putting crayons in an oven

There is a children's craft activity involving melting crayons (based on paraffin wax) onto a shaped-mold in an oven. It has not been possible to get any information about what the crayons are made of,...
2
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0answers
27 views

Davar charifs and chometz

"Davar charif" is a term in kashrus which refers, as I understand it, to sharp or caustic foods which may absorb flavor from a knife used to cut them, rendering them, say, fleishig if the knife is ...
2
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0answers
141 views

Kashering a stove

The common custom I have noticed is for people to use the same stove top for meat and dairy. However, people also claim you need to kasher a stove top before use. How are these two positions not ...