Publications

Milchigs and Fleishigs in the Oven

In preparation for the yomtov of Shavuos, it is common to be faced with questions regarding using an oven for both milchigs and fleishigs. Can I kasher the oven, or…

Cholov Yisroel: Unraveling The Mysteries – Part I

“There is no purpose in drinking cholov yisroel today, as the government inspects the dairies and makes sure that all the milk is kosher.” “Isn’t all milk with a hechsher…

Daf Haskashrus Shavuos 5775 – Consumer Edition

•  Cholov Yisroel: Unraveling The Mysteries – Part I • The How’s and ‘Wise’ of Mevushal – Part II, by Rabbi Nachum Rabinowitz, Senior Rabbinic Coordinator

OU KOSHER’S MAN IN THE CONTROL TOWER

Meet Rabbi Michael Morris If you want to know where any of the 500 OU Kosher RFRs (rabbinic field representatives) are at any given time on any given day and how…

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, &…

SHEVAT 5775/FEBRUARY 2015

• Milk from Non-Kosher Species and its Relationship with the US Kosher Dairy Industry • OU-P 2015 • Kli el Kli B’lo Rotaiv – Lo Basi Ela L’Orer • Weighty Matters, Not to be…

Weighty Matters, Not to be Taken Lightly

Those who don’t learn from the past are doomed to repeat it. A few summers ago, a non-kosher supermarket in Long Island City purchased a used scale for its meat…

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,…