These 3 Iconic Food Chains Are Staying True to Their Chicago Roots as They Grow Nationally

Portillo's, Giordano's and Gino's East use some savvy marketing

Hot dogs, deep-dish pizza and Italian beef sandwiches are the quintessential culinary hallmarks of Chicago, and for decades, three major brands have been delighting tourists and locals alike with their versions of the classics, all while expanding their restaurants across the country.