What makes a hot dog a Chicago dog?
It is the combination and the vibe: all-beef frank in a poppy seed bun, topped with yellow mustard, bright green relish, chopped onions, tomato wedges, a dill pickle spear, sport peppers, and celery salt.
Why no ketchup?
Tradition, mostly. The toppings already bring sweetness and acid (relish and tomato), so ketchup tends to flatten the flavor and make the whole thing feel one-note. If you love ketchup, I am not calling the hot dog police, but it will not taste like a classic Chicago dog.
Do I have to steam the buns?
You do not have to, but steaming is the shortcut to that authentic stand texture. If you cannot steam, warm them in a low oven wrapped in foil for a few minutes. Toasting is delicious, but it changes the experience.
What are sport peppers and what can I use instead?
Sport peppers are small pickled chili peppers with a clean, vinegary heat. If you cannot find them, use pickled serrano slices, pickled jalapeños, or even banana peppers. Keep it pickled for the right tang.
What kind of hot dog should I buy?
Look for all-beef franks, ideally natural casing if you can find them. The goal is a little snap. Avoid extra-sweet or heavily smoked franks for this one.
Can I grill the hot dogs?
Yes. Many stands steam or simmer their dogs, but some do grill or char them too. If you grill, still steam the buns and keep the toppings classic.