Publications

Lo Basi Ela L’Orer: ROV TASHMISHO

SHULCHAN Aruch (O.C. 451:6) says that one need only kasher a utensil according to the majority of the way it is used (rov tashmisho). Therefore, a bowl which is ordinarily…

ADAR-NISAN 5775/ MARCH-APRIL 2015

• Kli El Kli Blo Rotaiv • A Tribute to Chanan Jacobson •  The OU Visit – Being Prepared, Hosting & Enjoying •  Bitul of Chametz on Pesach •  Mail,…

Spring 2015

Our Daily Bread: More Than The Sum of Its Calories The President’s Rabbi Ingredients: Protect Your Company How OU Kosher Certifies Fish Products The OU Visit: Being Prepared, Hosting It, &…

Kli el Kli B’lo Rotaiv – Lo Basi Ela L’Orer

Tosfos (Chulin 108a tipas chalav) writes that if a drop of milk fell into a pot of meat, although it gives ta’am into the piece of meat that it touches,…

Milk from Non-Kosher Species and its Relationship with the US Kosher Dairy Industry

“I just saw an article about camel milk being sold. Is this a problem for kosher dairy products?” “I heard that pigs are now being milked in Pennsylvania and there…

TEVET 5775/ JANUARY 2015

• OU KOSHER INAUGURAL EUROPEAN KASHRUS CONFERENCE • OU KOSHER’S MAN IN THE CONTROL TOWER • ROV TASHMISHO • Mail… Kashrus Alert… Mazel Tov…

ROV TASHMISHO

THE GEMARA (A.Z. 38a) teaches that any food which can be eaten raw is exempt from the prohibition of bishul akum. Common examples of foods that are nechal chai include…

DAF HAKASHRUS CHANUKKAH 5775 – CONSUMER EDITION

Olive Oil by Rabbi Akiva Tendler Playing with Fire – Part III

Playing with Fire – Part III

by Rabbi Yaakov Luban, Executive Rabbinic Coordinator, OU Kosher  NOT SERVED AT A ROYAL TABLE Food that is not fit to be served at a royal dinner[1] may be prepared by…

KISLEV 5775/DECEMBER 2014

• Daf Notes: Responses to out readers on: HPP (high pressured processing),  Zeiya and Kashering Pipelines. • Lo Basi Ela L’Orer: Rov Tashmisho • Kashrus Alert… • Mazel Tovs • Condolences…