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

learn more… | top users | synonyms (3)

3
votes
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 ...
3
votes
1answer
95 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 ...
5
votes
1answer
149 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 ...
4
votes
1answer
128 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
votes
0answers
112 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 ...
1
vote
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
votes
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 ...
0
votes
1answer
136 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)?
2
votes
2answers
196 views

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 ...
3
votes
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
votes
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?
1
vote
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 ...
0
votes
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.
1
vote
0answers
66 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 ...
0
votes
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 ...
1
vote
0answers
14 views

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?
1
vote
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.
3
votes
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 ...
5
votes
0answers
109 views

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 ...
1
vote
0answers
100 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 ...
0
votes
1answer
167 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 - ...
1
vote
0answers
107 views

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 ...
1
vote
1answer
109 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 State)....
1
vote
0answers
45 views

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 ...
0
votes
0answers
18 views

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
votes
1answer
275 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 ...
2
votes
0answers
38 views

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 ...
4
votes
1answer
80 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 ...
1
vote
1answer
59 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 ...
5
votes
1answer
834 views

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, ...
3
votes
1answer
109 views

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 ...
4
votes
2answers
93 views

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 ...
1
vote
0answers
41 views

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 ...
2
votes
1answer
160 views

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 ...
4
votes
1answer
310 views

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 ...
4
votes
0answers
64 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, ...
3
votes
3answers
234 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-...
5
votes
2answers
312 views

Why should a kashrus certification agency change their standards?

Today I learned that the Oasis Mediterranean Foods company (located in Toledo, OH) has lost their hechsher on stuffed grape leaves. Formerly the entire product line was certified by Star-K, so I ...
3
votes
2answers
92 views

Does MSG require a hechsher?

Monosodium glutamate (MSG) is a popular food additive that lends umami (savory) flavor. Do pure MSG crystals require a hechsher?
2
votes
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 ...
13
votes
3answers
938 views

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. ...
3
votes
1answer
56 views

do blanched, slivered almonds need a hechsher?

I have seen blanched, slivered almonds sold in packages. Hypothetically do these need a hechsher? I am aware that blanching involves heating so I imagine there could be kashrut concerns, but on the ...
2
votes
3answers
135 views

How do I refuse nonreligious guest's salad?

I invited a non-religious guest over for a meal. I insisted that they don't need to bring any food with them. But they said they're going to bring a salad. I told them it isn't necessary but they ...
2
votes
1answer
1k views

Is the Citrus flavored Ciroc vodka kosher?

I would like to buy citrus flavored "Ciroc" vodka and wonder if it's kosher?
3
votes
1answer
166 views

Does the one-year rule regarding Milchig and Fleishig pots apply to non-Kosher vessels?

According to Ashkenazi tradition, "If a meat/milk pot hasn't been used for a year+, it may be used as the other type without Kashering". If I have a ceramic coffee mug that may or may not have ...
0
votes
0answers
37 views

If the Torah forbids meat and dairy together, why is it kosher to eat chicken with eggs? [duplicate]

Please correct me if any of this is incorrect. I understand that the reason for not being able to mix milk and meat in terms of kashrut is because you are mixing the milk of the mother with the ...
3
votes
0answers
685 views

Were flour tortillas invented by the Jews of New Spain?

I was reading the Wikipedia entry for tortilla. It says, The wheat flour tortilla was an innovation by exiled Spanish Jews who did not consider corn meal to be kosher, using wheat brought from ...
3
votes
2answers
232 views

Can you french kiss your wife if she does not eat Kosher?

Is there any kashrut problem to kiss your wife if she has eaten something non-kosher? Maybe you can eat small non-kosher food by kissing her. If her whole mouth is not kosher due to the hot non-...
3
votes
0answers
57 views

Can olives infected with worms from the olive fly be used for making olive oil

Here, in Portugal they produce olive oil from olives that contain worms (from the olive fly). In our harvest we see an infection that is above the 80%. We spoke with locals in the area and they told ...
6
votes
1answer
156 views

What's this about a magical spitting bird?

In Christopher Hitchens's memoir Hitch 22, this passage caught my eye: In her preface to his collection of essays The Non-Jewish Jew Tamara Deutscher, widow of the great Isaac, relates the story ...