The Chi-Town Burger Representing Chicago! A quarter pound all-beef patty grilled and topped with a split all beef hot dog, pickle relish, mustard, tomato slice, hot peppers and sprinkled with celery salt, on an ACE® Craft Burger Bun. Don’t you dare add ketchup! Chef's Tip A traditional Chicago-style dog is topped with yellow mustard, chopped onions, sweet pickle relish, a dill pickle spear, tomato slices, pickled sport peppers and celery salt.