Articles

Kashering ben yomo

May 17, 2010

One very practical application of ta’am lifgam is found in the middle of hilchos basar b’chalav. The Mechaber (Y.D. 95:4) says that if one places ash into a pot of hot water before dirty dishes are placed in it, then even if some dishes are milchig and some are fleishig, the pot and the dishes will remain kosher. This is because the ta’am of the ash combines with the ta’am of the fat and gives off a ta’am that is lifgam. This is the basis for the leniency to kasher kailim that are ben yomo, by using a davar hapogem (e.g. caustic).

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What’s going on with the “bugs” in the fish?

March 25, 2010

By the time you see this article, you may have heard that there is serious discussion currently going on in the Torah world regarding “bugs” in many of your favorite fish. You may have heard snippets of the back and forth, seen a list of which rabbis permit and which rabbis forbid. I hope this article gives you a better understanding of the issues at hand, and provides a better understanding of where each side is coming from.

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Lo Basi Ella L’orer – Chumra d’Pischa

March 25, 2010

The term Chumra d’Pesach usually brings to mind Pesach minhagim that go beyond the letter of the law such as whitewashing walls or kashering leichter. However, there are also various halachos brought in Shulchan Aruch that are attributed to chumra d’Pesach as well.

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OU KOSHER PRESENTS “HOW TO KASHER,” DVD OF COLLECTED SEMINARS ON THE KOSHERIZATION PROCESS

March 23, 2010

OU Kosher, has long shared educational and informative DVDs on kashrut-related issues with the community, and now presents “HOW TO Kasher,” a DVD of collected ASK OU and ASK OU OUTREACH kashrut seminars related to the process of kosherizing that have occurred over the past several years.

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ASK OU Outreach Brings its Kashrus Experts to Brookln, April 18, 25 During Sefirah, for Shiurim

March 18, 2010

Rav Belsky, Rabbi Elefant to Answer Halacha and Policy Questions:
The Orthodox Union will present its popular OU Kosher program, ASK OU OUTREACH, in Brooklyn by holding a series of kashrus shiurim on two Sundays in April – April 18 and April 25. Both days fall during the period of sefirah, a perfect time for introspection and Jewish education.

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The Tempering of Grains and its Chometz and Hafrashas Challah Implications

March 9, 2010

The milling of grains has been going on for millennia, and in all that time, the process has not changed dramatically. Milling is still done by simply grinding kernels, albeit with rollers instead of stones. Sifting is still done with sifters, although by automated machines instead of by hand. There is another part of milling known as tempering. Tempering refers to spraying grain kernels with water before they are milled. This makes the bran tougher and less brittle. If the wheat kernel has not been tempered, the bran may shatter and leave brown flecks (“ash”) in the flour when the kernel is milled. This is undesirable in regular white flour. Tempering strengthens the bran so that it is removed from the endosperm easily and does not cause brown flecks in the flour.

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Kli Rishon & Kli Sheini

March 9, 2010

Both a kli sheini and a kli rishon shelo al ha’aish are pots of hot water that will gradually cool down. Since it is difficult to distinguish between them, we require Tosafos’s help to properly understand the distinction. Although they look almost identical, a kli sheini has difanos mikareros (walls that cool down the product) while a kli rishon shelo al ha’aish has difanos michamemos (walls that maintain the heat of the product). An extended irui is none of the above, for the simple reason that the walls of this pot will not cool down. So long as the irui continues, there is a heat source that is preventing the kli from cooling. For this reason it is most similar to a kli rishon al ha’aish.

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SHAKING UP YOUR PASSOVER MENU, OR HAVE SOME FUN IN THE PESACH KITCHEN – IT’S NOT JUST MATZAH

March 8, 2010

On Passover, we’re all looking for those new and different appetizers and entrees that aren’t the same old same old recycled boring ones. This year, shake up your Pesach menus with the following extra special and fun recipes by Eileen Goltz.

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OU PASSOVER GUIDE, THE GOLD STANDARD FOR ALL YOUR PASSOVER QUESTIONS,NOW AVAILABLE FOR PASSOVER 2010

March 3, 2010

Those charged with cleaning the house for Passover, shopping for seders and eight days of bread-less meals and snacks, and cooking and baking those meals would be a lot more frantic and frazzled if not for the annual OU Guide to Passover. A special issue of Jewish Action, the family magazine of the Orthodox Union, this year’s Guide, for 5770/2010, is now available to help facilitate Passover preparation and observance.

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Lo Basi Ella L’orer – Glass

March 3, 2010

The laws regarding kashering glass are especially confusing, because the opinions range from one extreme to the other מקצה לקצה.
• Rashba (Teshuva 1:233), Ran (Pesachim 9a) – glass is smooth, hard and does not absorb (or absorbs very little) and therefore does not need to be kashered. דשיעי וקשים ובליעתם מעוטה מכל הכלים
• Ra’ah (Brought by Ritva Pesachim 30b) – Glass is boleya and is polet like metal, but may not be kashered with hagalah because we are concerned that it might crack, משום דחייס שמא פקעה.
• Mordechai – Glass has the status of cheres, הואיל ותחלת ברייתו מן החול.

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