It makes sense that poppy seed buns like those from Rosen's would've generally found their way into hot dog preparation, making it unsurprising if the same happened with the Chicago dog.

We all bring a bias to our choice of regional hot dog styles that can be hard to shake. If you’re from Chicago, a dog has to be “dragged through the garden” and come in a poppy seed bun.

SAN ANTONIO - Chicago Hot Dogs is bringing a taste of the Windy City to San Antonio."Welcome to Chicago Hot Dogs!" said "The ...