July 16 is National Hot Dog Day, and while much of the focus will be on the meat (maybe deservedly so), let’s take a moment to appreciate the bun. After all, just as you can’t have darkness without ...

Jason Rosen, the Great Grandson of Sam Rosen who founded S. Rosen’s, joins John Landecker to discuss the origin of S. Rosen’s Mary Ann poppy seed hot dog bun, a staple of the Chicago-style hot dog.