One of the best fast food chains in the States has to be Portillo's Hot Dogs. With 48 stores exclusive to the Chicagoland area, it's a must-stop while visiting the city. Eating in or driving through, you can enjoy the timeless local classic -the all beef frank ,topped with mustard, relish, onion, tomato, sport peppers a pickle, and celery salt. That's how you eat a Chicago-style dog and nobody does it quite like Portillo's. Founded in 1963 as a tiny hot dog stand in the western suburbs of Illinois, Portillo's 1950's themed restaurants have become a Chicagoland fast-food staple attracting those who want to enjoy the classic American fare in a fun, lively atmosphere. Choose from a variety of hearty menu options ranging from flame grilled burgers & hot dogs, to ribs and gourmet salads. Be sure to save room for the infamous Portillo's chocolate cake shake. Come Hungry, there are so many delicious options to choose from.
... and remember, if it's got ketchup, it's not a real Chicago dog!