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

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Is it kosher to eat live fish

In some countries people like to eat animals that are still alive (e.g. dancing squid / octopus). Clearly these animals are not kosher, but it is also possible to eat kosher-types fish that are either ...
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3answers
813 views

Is whisky matured in a sherry cask Kosher?

Is whisky matured in a sherry cask Kosher? I know there is a Machlokes about this. Who holds what?
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1answer
116 views

Can non-kosher meat be eaten with fish?

The prohibition of mixing meat with milk and of deriving benefit from their mixture concerns only kosher meat (Hullin 8:4 [113a]; Hilkhot Maakhalot Assurot 9:3; Yoreh De'ah 87:3; etc). As such, it may ...
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Noachide Dietary Restrictions

Noachides are not commanded to keep Kosher but we do know the sixth commandment given us is "The prohibition of eating flesh taken from an animal while it is still alive" can someone clarify (Not give ...
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1answer
34 views

Where can I find the concept of Davar ma'amid in the Gemara

Where in the Gemara does it talk about the concept of a Davar ma'amid in length regarding kashrut
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138 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? ...
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74 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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1answer
99 views

What is the problem with non kosher rennet

Before I begin my question I need to explain specifically what and how rennet is made. Rennet are enzymes scraped from the stomach of an animal, and is used to help give cheese it's texture. So my ...
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145 views

Why don't we use the same utensils for milk and meat if the food is cold

If I have designated utensils for cold foods such as salad, or cold salami and cheese. What is the problem of using the same utensils for both milk and meat, since there is no bliya because both are ...
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1answer
89 views

Does the Kashrut Authority of Australia always distinguish between dairy and dairy equipment?

A question on Beer.SE asks why (according to the Kashrut Authority of Australia) beer from New Zealand must be presumed dairy. The question there asks what dairy could possibly be in beer. My first ...
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1answer
954 views

Can a mother taste her own breastmilk?

Can a mother drink/taste her own breastmilk? I know theres an issur to for a non baby to drink directly from the breast- but what about from a cup? Further- if it is indeed assur even from a cup- ...
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1answer
88 views

Kashrut of Bread

Assuming bread was prepared and baked by a Gentile using only kosher ingredients (e.g. kosher flour, water and kosher yeast) and only kosher equipment, what conditions would render such bread fit for ...
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35 views

Halachos of kashruth and bliya

If a utensil can't become meat or milk through bliya, (like wood) then is it ever possible to become non-kosher?
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112 views

Making a bracha on kosher ingredients cooked in non-kosher pots?

Is it assur to make a bracha on foods whose ingredients are kosher but cooked in non-kosher utensils? What is the source?
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4answers
243 views

Using a non-kosher rotating pizza oven

A countertop rotating pizza oven has a turntable on which pizza is placed. It has two heating elements: one heats from below the turntable, like a hot plate. A heating element above broils a section ...
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55 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.
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34 views

plastic utensil absorption and kashering

Does a plastic utensil swallow up taste and excrete it out like metal,or is it like glass. Also can plastic be kashered if it became treif? What are the sources that discuss this?
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1answer
109 views

Is kosher food cooked by an irreligious Jew Bishul Akum?

Assuming that one can ascertain that food cooked by an irreligious Jew is kosher, is the food still prohibited due to Bishul Akum? Does this also apply in a case of need, such as one visiting an ...
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1answer
85 views

How does one do Hagalah above 12,000 feet?

How does one do Hagalah above 12,000 feet, where water's boiling point falls below 190°F? Under normal circumstances, the water will not be Rochsim, and therefore unsuitable for Hagalah. Using a ...
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39 views

koshering a keli less than 212 farenheit [closed]

my wife made Hagala in a vessel and the water was not boiling yet. I measure the temperature after she did it and it was 80 degrees celsius (176 F). whats the din now. can i used or i have to kasher ...
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2answers
254 views

Do I have to check my fruits and vegetables [for insects] before I put them in a smoothie?

I use both frozen and fresh fruits and vegetables in my smoothies, and mostly organic. Does the type of fruit or vegetable matter? For example, produce that generally has more insects, such as ...
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128 views

Kashrut--idol in restaraunt

A popular restaraunt here in Yerushalayim has a small idol on its cash register. Every paying customer will see it. The staff will answer your questions about it, and recommend reading. Its' ...
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196 views

Why keep Kashrut?

Is there a known reason for keeping kashrut or is it a set of guidelines proposed by sages who we respect and don't question the logic behind? Is there anything in the Torah that suggests kashrut?
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1answer
133 views

Is vodka made from whey kosher?

There is a new vodka which is made from a whey base. I was wondering what are the halachic considerations,chalav akum is one that comes to mind,as well as basar bchalav?
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291 views

Family Event at non-kosher resturant

One of my family members is having a family event at a non-kosher restaurant. I want to be there because it is a very important occasion and I don't want to insult my family. However, I know that in ...
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1answer
105 views

What is “reverse certification”

I got this in a daily halacha email but not sure what Reverse Certification means, I figure someone here does Reverse Certification It is permitted for a mashgiach to enter a non-kosher ...
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163 views

What are all the different koshers for/about?

I found out recently that what I had been thinking of as a "food copyright symbol", (U), is actually a statement of kosherness. Now that I know what this is, I'm starting to see different symbols like ...
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Kosher Coconut Oil Packed in Non-Kosher facility [duplicate]

If the Coconut Oil is Kosher but is packed in non-Kosher facility, is it still kosher?
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50 views

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 ...
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1answer
61 views

Scraping fish with a finger nail?

I heard that a kosher type fish bought from a grocer that has also non-kosher fish, that scraping it with a finger nail where the blade cut makes it good to eat. What is the source for this idea?
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1answer
42 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 ...
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0answers
79 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 ...
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1answer
120 views

What Kashrut Agency Uses this Symbol?

I found this symbol on a box of chocolates today: It was on a box of chocolates from this company - http://www.hauserchocolates.com. Anybody recognize the agency?
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1answer
94 views

The Sciatic Nerve and Fat of Kosher Fowl

I have learned that the sciatic nerve must be removed from land animals to render the meat kosher. But what about fowl? Does the sciatic nerve need to be removed from chicken or turkey? Why or why ...
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23 views

Dairy hechsher but no dairy ingredients listed [duplicate]

Suppose that a food product has a dairy hechsher (say, OU-D) but does not have anything obviously dairy in the ingredients list, and does not have "contains dairy" or something similar written below ...
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1answer
79 views

Can you eat cheese with bread-that-was-cut-with-a-meat knife?

If you intentionally cut bread slices with a meat knife, can you then eat that slice of bread with dairy products?
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1answer
118 views

Can bleach be sufficient to cleanse for Passover?

A couple years ago I (Conservative) was asked by my wife (Baptist) to educate her church by running a Seder for them. I cleaned the kitchen and serving areas as best I could, vacuumed the carpets, ...
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1answer
388 views

Can you eat beeswax?

To my knowledge there is a lengthy discussion as to why bee honey is kosher to eat. I am unaware of any discussion of bee wax. I am told by my local grocer that many large distributors of produce coat ...
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2answers
186 views

If we don't cook a calf in its mothers' milk, why can we use eggs with chicken?

The Torah says that one should not cook a calf in its mothers' milk. This is the basis for the prohibition of eating milk and meat together. If this is the case, why is it not also illegal to cook a ...
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1answer
142 views

Can a deep-cover agent on active assignment violate kashrut to blend in with targets?

I have no idea whatever what the Mossad's practices are when collecting human intelligence, but I would be certain a small percentage of people in CIA would have to be Jewish owing to ...
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129 views

Bishul Akum for Sefardim

There is a difference of opinion among sefardi and ashkenazi poskim regarding bishul akum. For ashkenazim it is enough if a Jew lights the oven and a non-Jew cooks the meat. For sefardim, a Jew must ...
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Kashrus of Pepperidge Farm Goldfish

Ok, this is a little lighthearted but so be it. I am curious why I can't find the answer to this online. I was once told by someone involved with a nationwide kashrus organization that Pepperidge ...
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126 views

What to do when finding blood in eggs

When cooking something with eggs, I always check the eggs for bloodspots. But I wonder, if I find a blood spot, do I need to throw the whole egg away or can I take the blood out with a spoon and use ...
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Limited nature of products considered kosher

I was reading about the laws of bitul, though I've never learnt about them properly in any detail. One example given in the book (An Artscroll book on kashrut) was that you can assume that a grocery ...
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1answer
126 views

Rav Moshe milk and tuna

Rav Moshe holds that tuna needs a masgiach timidi for it to be consumed,every fish needs to be checked for the simanim.However, by milk he brings a savarah that the government is sufficient and a ...
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148 views

Allowed to help prepare / serve “milk and meat” meal in homeless shelter?

Imagine a case in which one is invited to volunteer with a group that is preparing and serving a meal at a homeless shelter. The group has decided on a menu that includes milk and meat together in ...
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2answers
412 views

Halachic law about inviting a Jew for dinner by a Gentile

I know that Observant Jews are commanded by law to eat Kashrut or kosher, so can I as a Gentile invite my Jewish friend for dinner, for example at a marriage or engagement party? What food items ...
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456 views

In light of modern science, why is bee honey still kosher?

My understanding of why bee honey is kosher is because the talmud says that the honey is not a by-product of the bees. They simply store the nectar in their body to transfer it and then expel it, ...
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1answer
79 views

How come delicatessen offer meat sandwiches AND cheesecakes as deserts?

How come delicatessen offer meat sandwiches AND cheesecakes as deserts? Were people mixing meat & dairy in eastern european communities ? Or were they not really part of traditional ashkenazi food ...
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1answer
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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 ...