The Chicago-style hot dog is a regional favorite beloved for its unique ingredients. But what's the story behind its signature neon green relish?

Chicago-style hot dogs are hyper-specific in their construction, and a key part of the visual appeal lies in the relish, which has an unnatural neon green hue.

The Superdawg is the centerfold of hot dogs. The beef frank is served with onions, sport peppers, bright green relish, and a large pickle slice — all on a poppy seed bun.

Who relishes relish? If you live in the Chicago area, you know that pickle relish (sometimes a very bright green) dresses Chicago’s very tasty hot dogs. Which is what I was talking about with a ...

CHICAGO (WGN) — The origins of ... Sitting inside a steamed poppy seed bun, an all-beef hot dog topped with mustard, green pickle relish, white onion, pickled sport peppers, ...

Chicago-style hot dogs are hyper-specific in their construction, and a key part of the visual appeal lies in the relish, which has an unnatural neon green hue.