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Kashrus

  • - עברית, Kashrus, Meat and Milk
  • יו"ד צה

תפוחי אדמה שהתבשלו בסיר בשרי שאינו בן יומו – ונתערב בו חמאה. מה הדין?

  מותר לאוכלו.   מקורות: ראה רמ"א סימן צ"ה סעיף ב וראה ט"ז סוסק"ד. ואם מותר לבשלו לכתחילה ע"ד לאכול עם המין השני, שקו״ט בכ״מ. וראה חכמת אדם כלל מ"ח…

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  • Bugs, Food, Kashrus
  • infestation, mushrooms

Are the Chanterelle Mushrooms kosher? How are they to be checked for bugs?

  Chanterelle Mushrooms are kosher. I am not familiar with a specific method to check these mushrooms for worms (which is very common in this type of mushrooms). It is…

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  • Kashrus
  • maris ayin, non-kosher restaurant, מראית עין

I’m a psychotherapist. Can I meet and conduct sessions with (non- Jewish) clients in a non-kosher restaurant, like a local McDonald’s.

  You should not meet at a non kosher restaurant.   בשו״ת אג״מ או״ח ב, מ כתב לאיסורא משום מראית עין וחשדא. וראה שם או״ח ד, פב. (ולהעיר שמה שהתיר במקום…

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  • Kashrus, Time Between Milk/Meat
  • cheese, feta

Do we have to wait 6 hours for meat after eating Feta cheese?

  Yes. https://asktherav.com/5441-6-hours-cheeses/   Reasoning:  Feta is an aged hard rennet-set cheese cured in brine between two to six months. However, it doesn’t have a very hard texture and it…

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  • Kashrus, Meat and Milk, Time Between Milk/Meat
  • cheddar, feta, Mozzarella, Parmesan, יו"ד פט

“Six-Hour Cheese”

  Question: Is it necessary to wait 6 hours after eating regular hard cheese like mozzarella, Munster, cheddar cheese, before eating fleishig? As a general rule, Is Parmesan considered aged…

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  • Kashrus, Kitchen
  • microwave

I put a dry tightly closed plastic container with Pareve food inside of a dry non-Kosher microwave without double wrapping it, for one min of heat. What is the status of the food? What is status of the container?

  The food is Kosher. Even the container is permissible if we can assume more than 24 hours passed since the microwave was used for non-Kosher. If in doubt, you…

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  • Kashrus, Meat and Milk
  • glass

Is it OK to not use place mats or a tablecloth for Milchig or Fleishig, on a glass table?

  Any time a hot food item or a hot pot that is wet on the bottom (or if the table is wet) is placed on the table, it potentially…

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  • Kashrus
  • Hot water, urn

Sharing hot water urn with Non-Jews

  Full Question:  I share an office with some non-Jews. We have in our office a hot water dispenser; you put your cup underneath the faucet and you press a…

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  • Bugs, Kashrus
  • bugs, infested, quinoa

Is it true that quinoa is (currently) infested with worms that are microscopic?

  There are different brands of quinoa and different standards in terms of quality. Quinoa in general is not known to be an infested grain. However, this depends on season,…

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  • Health Supplements, Kashrus, Medicine
  • prenatal

I received prenatal vitamins from the hospital that do not have a Hechsher. Can I use them?

  You would first have have to see if there is a Kosher version of the ones the hospital gave you. If none are available -which is unlikely - and…

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  • Food, Hechsher, Kashrus
  • coca cola, coke

Is Coca-Cola without a Hechsher acceptable? What about with a Hechsher? I’ve noticed that in 770 they don’t serve Coca-Cola, and only sell the one from Israel, is that for a specific reason?

  Coca cola is certified by the OU, and a OU symbol is required. Rav Landau from Bnei Brak has a separate line of production with his Hechsher. As far…

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  • Health Supplements, Kashrus, Stam Yeinom - Wine
  • cream of Tartar, Sweet and Low, wine crystals

I noticed that Sweet and Low has cream of Tartar. Is there a problem of using it since cream of Tartar is derived somehow from wine?

  There is a way for it to be considered kosher according to the Shulchan Aruch (see Yoreh Deah 123:16). The reason is that the wine crystals become so  deteriorated…

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  • Kashering, Kashrus
  • corelle, pizza

A corelle Fleishig plate was found in the Milchig sink after being used for hot Milchig pizza. What should be done with the plate?

  The plate should be thrown out, since corelle cannot be Kashered. In desperate situations, where one’s financial situation is tight, and throwing it out is a significant loss, there…

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  • Bishul Yisroel, Brochos (Birchas HaNehenin), Hechsher, Kashrus, Pas Yisroel
  • twizzlers

Is the OU without Pas Yisroel enough for Twizzlers? It is made with wheat flour.

  The flour in Twizzlers isn’t a primary ingredient. (Thus its Bracha is Shehakol). Although they are cooked using ingredients that cannot be eaten raw, there is no issue of Bishul…

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  • Kashrus

If I paint glass with oil based paint pens is there a Kashrus concern in baking them in a kosher oven?

  If it's toxic (I.e. inedible) or if it is double wrapped, there is no concern.     #5570    

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  • Bugs, Kashrus
  • thrip cloth

There is a new way of checking for bugs that I heard about it, using the thrip cloth. According to Lubavitcher Rabbanim, is that an acceptable way to check for bugs and can replace checking every leaf of herbs etc? 

  Asktherav.com strongly encourages the use of the thrip cloth or shmate method but recommends doing sample checking the regular way too.   ראה מש״כ ח״א בקובץ עץ חיים באבוב…

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  • Kashering, Kashrus
  • enamel, Porcelain, red hot stone, sink

I just moved into a new apartment. The one that lived there before probably didn’t keep Kashrus. How should I Kasher the sink?

  Kashering a sink: Which sinks can be Kashered: Only a metal/stainless steel sink can be koshered. porcelain and enamel sinks cannot be Kashered.   Preparing the sink: Wait 24…

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  • Kashering, Kashrus
  • counter, countertops, formica, granite

I just moved into a new apartment. The one that lived there before probably didn’t keep Kashrus. How can I Kasher Formica counters?

  Kashering a countertop: Granite countertops: Preparing the countertop: The countertop must be thoroughly cleaned. if any dirt is on the countertop it cannot be Koshered (generally speaking). A mere discoloration…

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  • Kashrus, Medical
  • E-cigarettes, VAPES

Do the pods or liquid of E-cigarettes and VAPES, need to be Kosher?

  E-cigarettes and VAPES, whether in pod or liquid form are problematic both from a Halachic and health standpoint.   See here: Rabbi Daniel Stein: "Are Vaping and E-Cigarettes Kosher?"…

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  • Chinuch, Kashrus
  • mashpia, non-kosher jobs

Can my son work in a supermarket that has mostly non-kosher food?

  Question: There aren’t many summer jobs available for my young teenage son. Can he work in a supermarket where they have a nice kosher section, but it’s mostly non-kosher…

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  • Cholov Yisroel, Kashrus
  • trusting non-frum for kashrus

May one regard coffee with milk from such a supermarket as Cholov-Yisroel. 

  Question: A local supermarket has introduced several brand-new commercial coffee machines (providing espressos, cappuccinos, americanos etc). They have dedicated one for Cholov Yisroel. These machines self-clean and there is…

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  • Kashering, Kashrus
  • dishwasher

Moving into a house previously lived in by a Jew who did not keep kosher. Treif working dishwasher. Can it be Kashered?

  A. The standard approach is to be stringent and not Kasher a dishwasher due to the various concerns, primarily because it is not likely that the hot water cycle…

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  • Food, Hechsher, Kashrus
  • water

Does distilled water need a Hechsher?

  Generally, water which is not flavored and not fortified does not require a Hechsher. Distilled water, however, needs a hechsher.     #5274

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  • Kashrus

I purchased these forks and spoons for my son. I just noticed on the package it says it’s made of recycled milk jugs. Is it ok to use it or not?

Picture.   It's ok to use.    

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  • Kashrus
  • blood, eggs, zugos

I want to experiment with cooking hard-boiled eggs. Can I try with cooking only one egg?

  I typically always cook a minimum of three, but I don't want to be wasteful if the experiment fails.    Answer: Allowed. There is no halachic obligation to cook…

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