Questions tagged [kashrut-kosher]

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

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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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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 ...
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726 views

Is lindemans fruit lambic beer kosher

Lindemans Beer has a hechsher from the triangle k. This hechsher is recommended (by most kosher agencies) only for certain products. Is there another organization who can verify the koshrus of this ...
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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,...
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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 ...
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Koshering canning jars

If someone cans using Ball brand glass canning jars (and new lids are used every time, so nothing to worry about with those), In the normal canning process, the jars are boiled to sterilize them prior ...
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156 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 ...
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71 views

Are the non-meat parts of a non-kosher (i.e. impure/tameh) animal ossur min haTorah

In a different question it was asked if the blood of a non-Kosher animal is forbidden under the same issur that blood from a kosher animal is forbidden. It's brought there from that Rambam that: ...
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Does a rubber sink stopper transfer kosher status?

We rent a place with stainless steel sinks I kashered last Pesach to be fleishig but there are rubber sink stoppers all I could do was clean until they were clear of food particles. The people who ...
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265 views

Sephardic Halakhoth for Kashering a Sink

Moving into a new place, the previous tenant was not Jewish, and the sink is made from porcelain. i know that Hacham Ovadia Yosef Zal allowed Sephardim to kasher a porcelain sink for Pesach by using ...
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Contemporary approaches to kashrut of dates

What are contemporary approaches regarding dealing with bug infestation of dates? Do Kashrut agencies (e.g. the Orthodox Union) regularly inspect crops to determine infestation levels? And if so, what ...
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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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Can water that never touches food have a (non)kosher status?

I recently read the OK "Kosher Spirit" magazine, including an article about canned vegetables and kashrut concerns. The article reviews the steps in the production of canned vegetables and ...
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Does melatonin need to be kosher?

I'm not certain if it's medication or not. I'm speaking of plain, non-flavored powder capsules.
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34 views

Granite and Kashrus

What is the status of granite: year-round vs pesach in regards to Kashrus. Granite for Pesach is kashered by pouring boiling water over it. Year round, what is the status of granite, can granite be ...
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168 views

Can a glass stovetop be used for both meat and milk?

Is it permissible to use a glass stovetop for both meat and milk? Or is it forbidden? A OK article says that one should not use a glass stove top for meat and milk, however rabbikaganoff Is My Stove ...
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157 views

Is there a list of kosher duck species?

A while ago, I asked a mashgiach what type of duck is typically sold in the U.S. kosher market? He said mallards. My area has many mallards in nearby ponds. But, I also see teals and wood ducks as ...
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73 views

When is something that is consumed no longer impacted by the laws of kashrus?

Things which are not food or food which becomes unfit for a dog to eat are not subject to the laws of kashrus but what determines when something fits under those categories? For example many ...
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Dunkin Donuts MUFFINS - are they kosher?

Ok - everyone talks about donuts and whether they are kosher everywhere or not, etc. what about muffins? Those need some love too. All i want right now is a pumpkin muffin and the only nearby DD is ...
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Can open kosher condiments (e.g., ketchup) found in a rented apartment be used?

Let's say you rent an apartment and find open kosher condiments like ketchup in the fridge, can they be used?
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266 views

Are crayons allowed?

If a non-toxic (but also non-food) wax crayon is known/suspected to contain both meat (e.g. stearic acid; see e.g. here) and milk (e.g. dairy-derived palmitic acid), may one use it or does it qualify ...
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Non-toxic crayon bliyoth

Would a non-toxic, non-food substance, such as crayons, intentionally melted in a pan render it unkosher? Does it matter if the crayons are known/suspected to contain both milk and meat (e.g. tallow/...
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What are domestic animals that are kosher to raise and quiet?

I want to get an animal to raise and want to be sure to comply with halacha. So I would like to know which animals are kosher to raise in a Jewish home? I am particularly interested in animals which ...
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Choosing a microwave oven (e.g.) for ease of kashering

As far ask I can tell, I have a new twist on the already abundant microwave oven literature here at Mi Yodeya. So please be not quick to mark this question a duplicate. My question is this. I am ...
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In food service, does the separation of pareve and meat require less policing than the separation of kosher and non-kosher?

At the market where I buy groceries, there’s a deli counter under kosher supervision, selling fish and meat. When I buy fish, the clerk puts on a new pair of rubber gloves, takes a fresh piece of ...
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Reversing the status of a treif animal

The gemara in chullin 55b brings from the mishna that an animal remains kosher if the lower jaw was removed. Rabbi Zeira qualifies this law by saying that the animal is only kosher if it can be feed ...
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202 views

Does food microwaved in a fleishig microwave become fleishigs?

If a person warms up soup which itself contains no meat in a microwave that is normally used for meat would this soup have the same status as meat and cause the person who ate it to be required to ...
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If the whole vessel's volume counts in 1/60, why don't we wait?

Although this is a really basic quesiton, the topic is way beyond my education, so please excuse the lack of sources, background knowledge and proper terms, and please help me improve. I understand ...
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Do concepts of nat bar nat and batel beshishim apply to ovens?

In a prior post I asked about batel beshishim and nat bar nat (noten ta'am bar noten ta'am) as it applies to pots and utensils. Do these concepts apply to ovens? If yes why? If not, why? If ...
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Why may one not make a business out of hunting wild animals?

Sheviis 7:4: צָדֵי חַיָּה עוֹפוֹת וְדָגִים שֶׁנִּזְדַּמְּנוּ לָהֶם מִינִים טְמֵאִין, מֻתָּרִים לְמָכְרָן. רַבִּי יְהוּדָה אוֹמֵר, אַף מִי שֶׁנִּתְמַנָּה לוֹ לְפִי דַרְכּוֹ, לוֹקֵחַ וּמוֹכֵר, ...
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Do kashrut rules apply to a Washing laver?

Are there any halachot that apply the rules of kashrut to the cup I use to wash my hands before I eat? This answer says that one can use "any cup". This site says that a cup can be drunk from and the ...
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Can Microwaves ever need Libun?

Very often microwaves have food splattered all over them. If the oven were to need to be Kashered would the spots that had food on them need Libun since they absorbed food directly (without a liquid ...
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A&H kishke - yoshon?

Does anyone happen to know if Abeles and Heymann frozen kishke is yoshon? (It does not appear to be mentioned at all in Y. Herman's Guide to Chodosh.) (Alternatively, does anyone know of a decent, ...
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What is an effective separator for adjoining steel sinks divided into meat and dairy?

Chabad recommends: "...Separate sinks for washing dishes and preparing foods are recommended. If the two sinks are adjoining, there should be an effective separation between them so that no water or ...
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857 views

Hard Boiled Eggs

I heard second hand that one can eat hard boiled eggs on pesach, even if they were cooked in a not kosher l'pesach pot (presumably non-ben yomo?). Is this true? If so, why? Would one consequently be ...
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Is deer antler velvet kosher?

Is deer antler velvet kosher? I'm referring to this: http://www.esupplements.com/products/dvx-pro-liquid/?mobile=1 Or this: http://www.esupplements.com/products/deer-antler-velvet-pro/?mobile=1 I ...
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Reheating Food Cooked Before Passover

Let's say a family cooked some non chametz food before kashering their dishes before Pesach and saved the leftovers to be reheated later. A few days go by and Pesach gets closer, and they kasher all ...
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402 views

Is it permitted to share a plate or bowl with a pet (such as a cat or dog)?

Is it permitted to use the same plates and bowls to feed a pet cat or dog which are also used for eating? Assuming the pet is fed kosher (for humans) food is this permitted? Are there any issues ...
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Can non-food be treyf?

If I placed my kosher food on a non-kashered surface that I knew had never been used for food, is my food still kosher? I would be interested in whether there could be concerns of bugs--but that is ...
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Is non-kosher-dyed food kosher?

Supoose some non-slaughtered-animal or non-kosher-species ingredient gets mixed accidentally into a larger food. From what I understand, if the non-kosher ingredient is not thought to add flavor to ...
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Can a Jew work in non-kosher food warehouse?

Can a Jew work in non-kosher food warehouse? I mean to lift boxes from one place to another, to load pallets filled with boxes of non-kosher stuff. My question is about specific warehouse where there ...
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393 views

Why were birds considered to be flieishig (meat) but not fish?

I am basing this on what I had heard in yeshiva a while ago, so I don't know the exact source of the reasoning. My understanding is that according to the Torah, birds (poultry) were considered parve ...
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Dyo lesafrut - mutar beficha or not

I came across a thread today on the International Sta"m Forum. In the comments, some of the sofrim who frequent the site were debating whether sofer's ink, or dyo, need be mutar beficha (permitted to ...
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Roasting unsalted meat

What are the customs in the process of making meat edible by removing the blood through roasting? Specifically after the roasting do I need to wash the meat to eat it (not to cook it afterwards)? ...
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Does baby toothpaste need a hashgacha?

According to Rav Yisrael Belsky (and based on the reasoning of Rav Yaakov Kaminetsky) toothpaste which contains non-kosher ingredients (such as animal-derived glycerin) is only kosher when the ...
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790 views

Is arak kosher for pesach without a specific P hechsher?

I have a bottle of The Spirit of Jaffa Arak (ערק הניחוחות של יפו) with a regular circle-K hechsher as well as hashgachat-badatz-yerushalayim. Is there any reason this shouldn't be kosher for passover ...
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Covering clean surfaces on Pesach

There is a prohibition of eating even a crumb of chametz on Pesach. After cleaning a surface with bleach (or the like), any remnant of chametz is not considered fitting for a dog to eat and certainly ...
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Is lotus root davar charif?

Lotus root is a common ingredient in Asian cooking, and it has a distinctive shape. Is lotus root a davar charif for kashrut purposes?
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435 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 ...
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Kosher shops selling turkeys

I have noticed a Kosher shop selling turkeys only at this time of the year (...late December). Without getting into a discussion about the Kashrut status of turkeys, is this considered in the spirit ...