Portillo's is breaking into the breakfast market. The new menu will be tested at five Portillo's locations in Chicago's South Loop, Niles, Shorewood, Elmhurst and Tinley Park. The menu will include ...

While known for Italian beef and Chicago-style hot dogs, renowned local chain Portillo's is venturing into new territory at five locations in the Chicago area.

Portillo’s is testing out a morning menu at five Chicago-area restaurants starting April 15, featuring five all-new breakfast ...

Italian beef isn't on the menu, but a Polish sausage and egg sandwich and chocolate cake doughnut are. The chain is testing ...