A popular Lehigh Valley hot dog chain has expanded ... "The everything dog, mustard, onion and chili is definitely the Pott's staple, but the pierogies have been flying off the shelf.

Mad Dogs Hot Dogs, specializing in unique ... homemade sriracha mayo and cheddar cheese); sides such as loaded pierogies, fries and mac and cheese; and chilled treats such as ice cream, milkshakes ...

We liked Potts Deli and Grille a lot the last time ... from the well-known golomki and pierogi to the lesser-known zrazy and czarnina. We didn’t try the czarnina – duck’s blood soup ...