Among America’s expansive regional hot dog styles, few come steeped in lore quite like the Chicago dog. Enjoyed at baseball games for well over a century and served out of long-running iconic restaurants, it’s a dish deeply embedded in the fabric of the city. Tradition even runs the food’s assembly: Vienna beef, mustard, several pickled vegetables, onions, tomatoes, and celery salt must go on atop a poppy bun, and to be an authentic Chicago hot dog, they must be added in a specific order.
