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

Portillo's will start testing a breakfast menu starting next week at selection locations.The iconic Chicago chain known for ...

Five Portillo's locations in the Chicago area will soon offer a first-ever breakfast menu under a new pilot -- and the menu features some unexpected items.

Portillo’s plans to serve breakfast for the first time in company history. Starting Tuesday, the fast casual will introduce ...