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

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Can an immersion heater be used to kasher a sink? Does anyone have experience with this?

Normally, to "kasher" or "kosherize" a metal sink (from non-kosher to kosher, or before Passover), you clean it out well, make sure it's used for nothing hot for 24 hours, then pour boiling water all ...
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3answers
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How to keep kosher in a non-observant household

Many Baalei Teshuvah (returnees to Judaism) confront various conflicts regarding their interactions with non-observant family and friends. A big one, which has not been discussed here (AFAIK), is ...
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1answer
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Are Dunkin Donuts Coolatas kosher?

For the purposes of this discussion, let's assume that unflavored coffee with milk is kosher everywhere you go. (Related MY question) Are Coolatas (from Dunkin Donuts) included in this? A friend of ...
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1answer
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What do I need to know to properly kasher utensils in boiling water? [duplicate]

If someone wants to kasher their utensils using a pot of boiling water, what do they need to know to do it correctly? Among other issues, consider: Are there issues with how long items need to be in ...
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2answers
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Medjool Dates (bugs?)

We have a 2 lbs box of medjool dates. Very fancy. But it has been on the shelf for about 2 months. At first, when we split it, no visible bugs. Now we are seeing small white spots near the seed, salt ...
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1answer
66 views

Waking up fleishig [duplicate]

I once heard that you cannot wake up in the morning being fleishig, meaning if you go to sleep for the night, even if you sleep less than 6 hours (or whatever time you wait), you are pareve and can ...
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3answers
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Are Llamas Kosher?

Being that llamas are ruminates it seems to me that they clearly chew their cud. But I have not found any definitive information on whether or not the have fully split hooves. Furthermore, they are ...
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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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1answer
80 views

How can yeast be kosher lǝPesach?

I was once reading the ingredients on a pack of Bissli (with a Pesach hashgacha) and saw that it contained yeast. How can this be?
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4answers
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Is Halal Meat Kosher?

Muslims slaughter a Cow by saying "Bismillah, Allahu Akbar" meaning : "In the name of Allah , Allah is Great"" and follow the Zabiha (shechita) procedure to make it Halal. Some salient point of the ...
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2answers
434 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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1answer
47 views

Is jam a davar charif?

I learned that juicy fruit are considered a davar charif. Is jam or preserves made from such types of fruit also a davar charif? Why or why not?
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1answer
69 views

Assuming something has remained Kosher

When someone buys a product with Kosher certification, do they have to check to make sure that it is still certified Kosher or can they rely on the fact that the last time (or first time) they bought ...
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2answers
243 views

How big, and what exactly, is “Kedei Kelipah”?

{Kedei Kelipah is a term used in Kashruth for the amount of something that needs to be removed in order to allow one to treat the remnant as Kosher. (This only applies under certain conditions, which ...
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6answers
2k views

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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0answers
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Can certified vegan be assumed to be pareve? [duplicate]

If a food item has a valid kosher certification, which marks it as being dairy, but also has certification from a vegan certification that it is vegan, can it be assumed to be dairy equipment? I ...
5
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2answers
389 views

Brands of KFP peanut butter in the US

Does anyone know which brands of peanut butter are Kosher for Passover in the US? Alternatively, I have heard that there is a list for Sepharadim of KFP products that contain Kitniyoth. Can someone ...
5
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1answer
359 views

Who or what is OV? (kosher symbol)

In the store earlier, I saw a kosher symbol I had never seen before, and was wondering if anyone here knows what organization it represents. Here is the symbol: [ What is odd is that it looks like ...
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1answer
136 views

toveling racks from new built in wall oven

If someone is having a wall oven installed, should the racks that come with the oven be toveled as a separate item? Note that racks of this type can be removed from the oven.
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1answer
59 views

Can rags and oven mits become non-kosher or be kashered?

If kitchen rags or cloth oven mits have been used in a non-kosher kitchen, may they be used in a kosher kitchen after they are laundered? Or do they become non-kosher (for example, from contact with a ...
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3answers
220 views
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0answers
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Verifying powdered milk

If someone keeps cholov Yisroel but is lenient when it comes to powdered milk, is there a halachically reliable/valid way to verify that a product is made with powdered milk as opposed to fresh milk, ...
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0answers
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Can an enamelled pan be changed from meat to milk/pareve? [duplicate]

I have a metal pan that is enameled white on the inside, which I have had for more than 40 years, and hardly used. I originally intended it for meat, but now I think I might get some use out of it if ...
2
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0answers
73 views

Can one use a gas grill for both meat and dairy (with lots of other caveats) [closed]

The basic question is, can the same grill be used for meat and milk. But this question has a few sub-questions/caveats and cases that I'm curious about. 1- I'll assume that the same grill grates ...
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1answer
73 views

Who is this certification ([KA] in a square)?

Which organization uses this symbol? It was seen on a package of candy (Goody Good Stuff is the brand) in the Netherlands.
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3answers
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Commercial kosher slaughter

Kosher slaughter today is mainly carried out in large factory settings, with each shochet slaughtering hundreds or even thousands of animals every day. The required inspections of organs is also ...
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57 views

Toasters in motels / cabins

I rented a cabin last week. In the kitchen was a clean toaster - not a toaster oven, but the "retro" kind for 2 slices of bread. Could I have used it? My assumption was it's OK b/c the electrical ...
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2answers
85 views

Coffee Machines in Hotels

Many hotels have coffee machines in the rooms. They also usually provide the necessary ingredients, such as disposable filters and coffee grinds. What are the potential problems with using such a ...
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1answer
102 views

Why does the use of horse manure as fertilizer not make produce non-kosher?

Horses are non-kosher and its manure is also non-kosher. If you use the manure as fertilizer on, say, potatoes, isn't there some concern that the potatoes may absorb some part of the manure? If so, ...
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1answer
34 views

What is the difference between kosher and permitted food?

I wish to allude to this answer, which distinguishes between "kosher" and "permitted" (and "non-kosher" and "forbidden") foods for purposes of knowing when to make a bracha. Can someone explain this ...
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1answer
59 views

Terumot and Maasrot in Israeli Shuks

Ordinary Israeli fruit and vegetable stands do not carry teudah. Does the Israeli government ensure terumot and maasrot are taken at some point? For example, can one taste produce in Machane Yehuda or ...
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2answers
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Does flavored drip/ground coffee require a hechsher?

It seems like plain unflavored coffee does not need a kosher certification. Does flavored drip/ground coffee require a hechsher?
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4answers
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Must I check the kashrut certificate every time I visit a bakery or restaurant?

Say I visit a bakery, restaurant, jail, hospital, or nursing home. And say I already know that the food there is kosher. Must I still check the kashrut certificate every time I visit? (Gershon ...
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1answer
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Food Stringencies and Dishes

May one eat who avoids certain foods as a stringency (eg. foods which aren't Chalav Yisroel, Pas Yisroel, and Bishul Yisroel) use plates and/or cutlery that are otherwise kosher but have been used in ...
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1answer
125 views

What makes a movie “kosher”?

Several years ago, when my kid was in camp, I asked him what he did on a rainy day in camp. He said that they watch a "kosher movie". OK, I know that the word "kosher" is used generically in English ...
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0answers
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Does breast milk make vessels non-kosher or milchig? [duplicate]

I understand that breast milk is kosher only for babies and is traif for adults. But does breast milk make other vessels non-kosher? For example, if I put a spoon, knife or fork in the breast milk, or ...
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1answer
37 views

Test tube meat: Pareve? [duplicate]

Meat that is grown in a test tube - also known as in vitro meat - would seemingly fall outside of existing kashrut categories. You do not need to kill an animal (thus no need to schecht). Would it ...
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3answers
247 views

How was kashrut affected by Science?

I have been reading a lot of questions concerning kosher foods, to get a better understanding of what it means for something to be kosher. To an atheist, this site is very helpful. But as a chemistry ...
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0answers
51 views

Kosher flavored beer without certification on the bottle?

I've always heard that the rule in the United States is that domestic non-microbrewery/craft unflavored beer needs no certification as kosher, as all such beers are kosher, but that any other beer ...
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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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3answers
553 views

Why is kosher wine or grape juice rare alone but less so as an ingredient?

My understanding is that wine or grape juice is s'tam yenam and forbidden if handled by non-Jews without having been cooked. (See, e.g., an explanation on chabad.org.) The practical result of this, ...
5
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2answers
2k views

Who certified this yogurt as kosher?

Looking at unclear heshers on some yogurt packages: Dannon "Light and Fit" yogurt has a capital K without any other identifier. Yoplait "Light" has a capital K D. I was told that the letter K alone ...
3
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1answer
94 views

Should a Jewish cashier scan treif items?

On the basis of Vayikra 11:8, is it permitted to work as an employee at a grocery store as a cashier (not the owner of the business), which would entail touching packaged yet non-kosher food items ...
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1answer
117 views

Can I eat chocolate melted in a meaty pot and then combined with dairy?

Suppose I'm making some dessert, like cheesecake or ice-cream sundaes, by melting chocolate and pouring it over the dairy dessert. I realize after doing this that the pot I used was fleishig and used ...
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0answers
70 views

Craving for Non-Kosher Food

If a pregnant lady craves for something not kosher is she permitted to eat it? Source? Does it depend how much she wants it, etc.?
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1answer
85 views

Are separate glasses required for milk and meat?

It seems to me that there are some interesting things which are done in virtually every kosher Jewish home that may have no basis in halachah. I think that having separate glasses for meat and dairy ...
3
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1answer
37 views

hot pot and trief

I heard that placing hot pots onto counters or refrigerator shelves could treif the pot (although not its contents) if the counter or shelf is dirty with an opposite type of foodstuff. Is there a ...
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3answers
428 views

The concept of glatt

Where in the Gemara do you find the concept of meat being "glatt"? Or where do you even find the concept of "kosher lmehadrin."
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1answer
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Cities' רבנו‏יות's accepting others' food

Years ago, IIRC, I heard the following from a respectable source: By Israeli law, if the רבנות of one city certifies a food as kosher, then the רבנות of any other city must allow that food as an ...
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1answer
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Bishul Akum: State Dinners

How do we know precisely what foods fall under the "King's Table" exemption to the rule against Bishul Akum? It is obvious that foods like potato chips probably won't be served at a state dinner, and ...