Reply To: Bagel Boss Kosher? Home › Forums › Kashruth › Bagel Boss Kosher? › Reply To: Bagel Boss Kosher? January 24, 2013 5:36 am at 5:36 am #1095382 MDGParticipant “Rav Soloveitchik followed it and ate Kraft cheese. “ I have heard that is just an urban legend.