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

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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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0answers
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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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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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33 views

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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Is there a detailed explanation for Bereishis 18:8? [duplicate]

וַיִּקַּח חֶמְאָה וְחָלָב וּבֶן־הַבָּקָר אֲשֶׁר עָשָׂה וַיִּתֵּן לִפְנֵיהֶם וְהֽוּא־עֹמֵד עֲלֵיהֶם תַּחַת הָעֵץ וַיֹּאכֵֽלוּ׃ I know the Torah was not given at this time, nor had the Sages explained ...
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1answer
94 views

What is the overall procedure to upgrade a kitchen to kosher service?

If a Jewish family buys a house from Gentiles, naturally the kitchen would not be left in a kosher state. What is the list of special decontamination or other upgrade procedures necessary to convert ...
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1answer
84 views

May non-kasherable items be put into kosher service if they arrived new-in-box?

I understand that glass and ceramic are not kasherable but they still are by far the most convenient and least expensive materials for dishes and cups. If these vessels were purchased new-in-box, it ...
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5answers
636 views

Are there any national brands of tuna that are Bishul Yisroel?

Are there any national brands of tuna in the USA that are Bishul Yisroel?
3
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1answer
87 views

There is Always Blood in Meat [duplicate]

All meat has at least some blood in it, no matter the form of kashering , salting or cooking. How much is too much? Why don't the red/pink blood-containing "juices" make meat eating forbidden?
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6answers
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Is a rare steak kosher?

If you have a steak medium to rare, such that it's still pink in the middle, is it kosher? At what point is meat cooked enough?
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2answers
141 views

In Israel, what is the difference between l'mehadrin and badatz

In Israel, what is the difference between l'mehadrin and badatz? Also, is there a regular kosher that is different from these two? Do they differ with respect to kashrut standards (e.g., require pas ...
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3answers
8k views

Why isn't eating milk with chicken kosher?

I remember learning that the reason you don't eat milk with beef is because you shouldn't cook a calf in its mother's milk. However, when you are dealing with two different species, this same logic ...
2
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1answer
54 views

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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2answers
147 views

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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37 views

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 ...
3
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1answer
79 views

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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2answers
41 views

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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6answers
2k views

Are sea sponges kosher?

The sea sponge is scientifically classified as an animal, therefore maybe it would be considered unkosher, as seafood. On the other hand, it seems much more similar to a vegetable of some kind, so ...
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2answers
69 views

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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1answer
106 views

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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1answer
91 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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0answers
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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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2answers
215 views

Animals vs. plants: kashrus

Why did God make all plants, but only some animals, kosher? Sources, please.
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24 views

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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36 views

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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3answers
230 views

What are the kashrut issues with kosher food at a non-kosher restaurant?

What are the major kashrus/halachic issues with going to a non-kosher restaurant and ordering, say, [kosher fish] and vegetables; dressed with only extra-virgin olive oil, salt and pepper; double-...
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0answers
10 views

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
74 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 ...
11
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2answers
306 views

Can one trust the Kashrut of Alcoholic Beverages in bars?

Kosher organizations, like the CRC (Chicago Rabbinical Council), supply lists of alcohol recommended for purchase and consumption. May one purchase these alcoholic beverages from a bar (where the ...
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2answers
198 views

Are GMOs Kosher?

Currently taking a biology class in which genetically modified foods were discussed. Some of the plants had DNA from non kosher animals added into the plant genes. How does this impact the kashrus of ...
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1answer
696 views

Is human flesh a kosher food?

Is human flesh a kosher food? Please provide both modern and classical sources.
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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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1answer
64 views

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 ...)
2
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2answers
115 views

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 ...
4
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1answer
80 views

Whale-yeast Beer

This article describes a beer created with yeast from fossilised remains of an ancient whale. From what I understand, the yeast imparts certain characteristics to the beer other than alcohol content. ...
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6answers
16k views

Is there a problem with Triangle K? If so, what?

I want to know what the OU's or any other Orthodox kashrut agency's problem is with Triangle K. I have read about the Ralbag family which founded and runs the Triangle K and they are clearly Orthodox. ...
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1answer
133 views

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)?
3
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1answer
62 views

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 it?...
3
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2answers
82 views

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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1answer
35 views

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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2answers
61 views

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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3answers
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Is AquAdvantage salmon kosher?

After two decades of deliberation, the USA's Food and Drug Administration has approved the first ever genetically engineered food animal, a fast-growing Atlantic Salmon called AquAdvantage salmon. ...
12
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3answers
420 views

Does Neveilah/Tereifah make you Fleishig?

Another question asks whether meat of a non-kosher species (Behemah Temeiah or Hayah Temeiah) makes one Fleishig (considered to have eaten meat, so cannot eat milk). My question then is about kosher ...
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0answers
65 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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2answers
60 views

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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0answers
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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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1answer
68 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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4answers
627 views

Can you buy a beggar non-Kosher food, or chometz on Pesach?

If I am asked for money by a beggar on the street, or see a homeless person with a sign, I try and give them food as it is usually more useful than money (which will probably be used for alcohol or ...
3
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1answer
27 views

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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4answers
2k views

Starburst Fruit Chews kosher?

Are Starburst Fruit Chews kosher? This website below clearly has an OU on the right side. However, Gelatin appears on the ingredient list, and the oukosher.org website doesn't have any reference to ...