Detailed information about organization Information about alert on kosher products 2024-02-07 Source of information Information from OU Kosher , USA Website https://oukosher.org/kosher-alerts/ou-kosher-alert-alpha-baking/ Notes Rosen's brand bagels, produced by Alpha Baking are no longer OU certified. Rosen's breads and buns bearing the OU symbol on the packaging continue to be OU - Pareve certified.