Chicago: Ketchup is basically banned on hot dogs. Order one with ketchup and someone might genuinely refuse to serve you. New York : Mustard, sauerkraut, and onion sauce are the holy trinity.

Place a paper towel on the end of your bottle ... place hot dogs in buns and layer with bell peppers, jalapeños and onions. Drizzle with as much mayonnaise, ketchup and mustard as you like.

The Shambles Tavern brought another minimalist addition to RiNo's hot dog scene: bartop roller dogs with ketchup, mustard and BBQ sauce. But with dollar dogs on Mondays for industry night ...