Daf ha-kashrus

What’s the bracha on… PRINGLES

What is the proper bracha for Pringles and other such foods that are primarily made from potato flakes and potato flour? Rav Belsky, Shlita said (see accompanying Teshuva), that originally Rav Moshe Feinstein zt”l held that on potato flakes one should say Shehakol. When potatoes are turned into powder, they lose their status as a […]

IYAR 5775/MAY 2015

• Milchigs and Fleishigs in the Oven • Bishul on Shabbos Part I: Table Salt • OU Kosher Kashrus Conference • Mail… Kashrus Alert…. Mazel Tov

Bishul on Shabbos Part I: Table Salt

Can a person, on shabbos, add table salt to a kli rishon off the fire, even if there are additives in the salt? Before answering the question about the additives, it is important to clarify whether salt itself, even if there are no additives, can be added to a kli rishon off the fire. The […]

Milchigs and Fleishigs in the Oven

It is common to be faced with questions regarding using an oven for both milchigs and fleishigs. Can I kasher the oven, or should I wait 24 hours? What about just covering the food? Shulchan Aruch (O.C. 509:5) says that one may kasher a griddle from milchig to fleishig with libun kal, even if it […]

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 considered cholov yisroel?” The topic of cholov yisroel is fraught with confusion and misunderstanding. Let’s try to clarify and demystify things. The halacha Chazal decreed […]

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


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 they got there, just ask Rabbi Michael Morris. It’s his job — and his passion. When Rabbi Morris, OU Kosher’s RFR traffic controller, joined the […]


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 used through iruy, can be kashered with iruy, even though occasionally it may be used as a pot cover. However, Rema says the minhag is […]


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


• 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 Taken Lightly • Mail, Kashrus Alert, Corrections, Kashruth Advisory & More…