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

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Achva brand Halva…kosher for Passover? [on hold]

Is Achva Halva with Cocoa Beans kosher for Passover? Reading the ingredients, it doesn't seem like there's anything in it that would say otherwise, but I'm not sure. Thanks. Sesame, Glucose syrup, ...
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Can Kosher Be Cooked nearby Non-Kosher?

I want to start a restaurant. I would like to cater to both non-kosher and kosher populations. If the restaurant kitchen has a separate fridge, kosher ingredients, separate stove, separate ...
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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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Coca Cola on Pesach

Yabia Omer writes that Citric Acid isn't a issue on Pesach. Does that deem Coca Cola Kosher for Passover even without a hechsher as a Sefardi?
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Getting Married With Different Customs

B'H I'm getting married in a few months and my fiancée waits 3 hours between meat and milk and I wait 6. In general, does a wife take on all the customs of her husband? In my example, would she have ...
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How to tell if can use bird feed on paisach

How can I tell if this bird feed can be used Ingredients: White preso millet, golden german millet, red proso millet, flax seed, canary grass seed, niger thistle, rape seed, oat groats, dehydrated ...
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Where does the concept of food transfer come from?

If I cook a cheese omelet in a skillet, then wash the skillet and cook a steak in the same skillet the steak is considered to have absorbed the dairy-ness of the cheese and is now consider not kosher. ...
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Kof-K hechshered Bluebonnet vitamin supplements

Are Bluebonnet vitamin supplements hechshered by Kof-K kosher for Pesach?
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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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76 views

Who accepts the “chazaka” method of checking vegetables?

Several sources endorse a method of checking produce in which the batch of produce is washed, three random samples from the batch are inspected for bugs, and, if these samples are entirely clear of ...
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Why do we exclude fruit and vegetables? [duplicate]

We see in Vayikra, chapter 11, lists of kosher animals (land, water, and flying), but I don't see any mention of vegetables? Why did the Torah leave out vegetables when it speaks of kashrut?
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What is today's Jewish explanation for why rabbit meat is unkosher?

In yesterday's parasha, we read not to eat rabbit meat because it chews its cud (Vayikra 11:6): "ואת הארנבת כי מעלת גרה " Today, we know this is not true. I am curious as to how religious Jews ...
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How to keep a yoshon kitchen [duplicate]

Yoshon refers, very roughly, to grain products that have grown through at least one Pesach. Some have the stringency to eat only yoshon grains. How does one go about identifying yoshon flour and ...
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65 views

How do I determine kashrut status of fresh produce from Israel?

Fresh produce from Israel has all sorts of halachic concerns: Orla, Shemittah, Terumot and Maasrot. Periodically, I come across fresh fruit imported from Israel. I generally avoid buying it, but I'd ...
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Can a Torah be made using parchment from a neveilah or treifa? [duplicate]

I read (will edit source, when I locate it) that the parchment used from a Torah must come from a "kosher animal". Does the term "kosher" mean "edible" or just an animal that is among the list of ...
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1answer
62 views

Do you have to check eggs that have a hechsher?

In general, one checks the yolks of raw eggs for blood spots before using them. However, is it strictly necessary to do this with eggs that have a hechsher on the box? Please provide an authoritative ...
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How do I upgrade a kitchen to kosher service? [closed]

I just got divorced from a gentile (DON'T ask why I married her in the first place!) and the judge gave me the house. I understand the basics about separating meat and dairy, but are there any ...
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1answer
108 views

Can meat grown from living cells be kosher? Is it eiver min hachai?

Earlier questions such as In vitro meat — further questions dealt with meat grown from stem cells of slaughtered animals. This question is specifically about meat grown from stem cells taken from live ...
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105 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 ...
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106 views

Current Chicken Controversy in Jerusalem [closed]

The original questioner asked the following: What is the kashrus problem with Eida Chareidis Chickens, and why does the Eida think its not a problem? (kikar.co.il/194374.html – @kouty) However this ...
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Eat a chicken food with milk is allowed?

I wonder if eating a chicken food in which its ingredients take milk or cheese is allowed. (For example: Eat a Chicken Stroganoff; Or a chicken stew with sour cream ...)
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Need for Certification of Sake

Does anyone know why all the kashrut organizations (that I know of), require all sake (the Japanese alcohol) to have a hechscher? I would think that since junmai sake is required by law to contain ...
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Cholov akum and cholov yisroel

Is cholov akum 100% treif (not kosher)? If so why does it get a hechcher (kosher supervision stamp)? And if it's not treif, is it assur (forbidden)?
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Do roasted peanuts in their shells require a hechsher?

I know that non-Israel grown raw peanuts in their shell are considered plain "vegetables" / legumes and do not require kosher certification, as other untouched fresh fruit / veggies. Shelled peanuts ...
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Eating non-kosher food then drinking out of kashered cup?

Does drinking a cold drink several minutes after eating cold non-kosher food render the cup non-kosher since it is making contact with the mouth, which may still have remnants of non-kosher food in ...
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Why dont yeshivos and summer camps have kashrus hashgacha?

We dont rely on eid echad neeman beisurin in our local stores, so why do we rely on the owners of most schools and camps that everything is kosher?
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Jewish owned dough bake by a non jewish baker

It states in shulchan aruch yoreh deah 112 11 "bread of a jew that a non jew baked without a jew's stirring or adding fuel, is forbidden to sell to a non jew lest a Jew buy it from the non jewish ...
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Kashruth of Terra Cotta

What are the halakhoth regarding unglazed terra cotta flower pots? Does it absorb? Can it be kashered, and if so, how? Sephardic rulings preferred, but will take any sources.
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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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Is there spiritual meaning behind Kosher?

Is there spiritual meaning behind Kosher? What do the Rabbis, Torah, Talmud and so on say about this question? (I know many say that we don't know. This is a question for those who have a spiritual ...
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Untoiveled but used dinnerware and cookware - how to salvage if possible? [duplicate]

What's the deal with untoiveled, but used, dinnerware and cookware? Can they still be toiveled to make usable/kosher or must it all be tossed?
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60 views

Drinking coffee using non-kosher utensils

Is there a legitimate heter for drinking coffee from a coffee cup that would most likely have been washed with non-kosher utensils? I have seen people be lenient in this respect, but don't know why.
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What are the alternate signs for a kosher fish?

In addition to the signs for a kosher fish mentioned in the Torah, The Tur (Y.D. 83) brings alternate kosher signs for fish that are not accepted by all Poskim. Namely, the head of a kosher fish is ...
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If you check for bugs according to halachic requirements, and then there is a bug in the food, are you liable?

If one or one's wife does everything that is needed for checking, but one accidentally eats a bug anyway, is one liable for the sin(s)? I'd also be interested in knowing whether one would be liable ...
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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 ...
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166 views

Is a klipa davuk?

There are many places in the realm of kashrut where something may become forbidden kedei klipa (just the edge is asur). For those who hold by isur davuk (as isur which is attached to something else - ...
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kasher a nonkosher Le Creuset pot? [closed]

I have several Le Creuset pieces - Dutch ovens and casseroles - that I inherited. They have not been used for 15 years, but definitely were used for non-kosher cooking; it's safe to assume they might ...
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52 views

Identity of Star-of-David kosher symbol

What is the certifying agency that uses a kosher symbol comprised of a Star-of-David containing another odd-looking symbol within it?: It is carried by, e.g., Byrne Dairy milks (of New York ...
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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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One Dishwasher for Milk and Meat Dishes [duplicate]

Can a dishwasher be used for both meat and milk dishes? Under what conditions? As far as I can tell it should be OK right afterwards since any taam would be lifgam because the dishes are covered in ...
5
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1answer
264 views

Is one allowed to have his child take a non-kosher oral vaccine if the law requires it to attend school?

Many state laws require that toddlers be vaccinated prior to attending elementary school. Years ago, the Sabin Polio oral vaccine was used. I'm uncertain if oral vaccines are used, now. Let's say ...
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Does Lubavitch Messianism pose a Kashruth problem? [duplicate]

This is a practical question for Kashruth, but there are multiple issues that play into it. Firstly do members of the Lubavitch community have heretical beliefs? Some prominent Lubavitchers have made ...
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68 views

Contemporary leniencies regarding the prohibition(s) of new grain

Since Talmudic times, Rabbinic scholars have grappled with the apparent contradiction between the Biblical and/or Rabbinic prohibition(s) of chodosh (new grain grown since Passover) and the common ...
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1answer
55 views

Are songbirds Kosher?

In Leviticus and Deuteronomy, there are sections that give a seemingly comprehensive list of non-Kosher birds. They are mainly birds of prey, not songbirds or birds like that. I know that there is no ...
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Why does medical marijuana need a kosher supervision?

Today, NY State joined several others in opening clinics to dispense medical marijuana. Distribution of this is restricted to patients who have severe illnesses such as Parkinson's Disease, epilepsy, ...
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Is weed kosher? [duplicate]

Some says that qnei boshem in the bible, one of the ingredient of holy anointing oil is a plural form of qneibos or cannabis. Ganja. Whether that's true or not, I sort of wonder. Is it kosher? It's ...
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Does anyone know about a recent brocolli bug problem?

I'm not sure if this is a recent localized problem or not. A few people in my neighborhood (New York City area) have told me that local Rabbinical councils have forbidden buying broccoli, as there is ...
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Can one buy a container of fresh ground nut butter from a health food store without kosher supervision?

Several "health food" stores near me have a machine that grinds fresh nut and butter. Two such stores are Fairway and Whole Foods. The nuts are grown in California and Georgia (the U.S. state, not ...
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May I use a clean can opener previously used for non-kosher cans?

It only had cold contact with treif, if any (only if the food reaches to top of the can); no duchka de sakina was involved. Its contact with my kosher food is also cold - if any (only if the food ...
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Why would spring water or mineral water need a kosher certification?

Nearly every popular U.S. brand of spring or mineral water that I've seen has a kosher certification symbol on the bottle. Amonng them are Perrier and Saratoga (mineral / sparkling) and Poland Spring ...