Five locations in the Chicago area will offer the limited-time pilot, starting April 15. Company officials say the test is a ...

Portillo’s is bringing its signature Chicago-style flavor to the morning crowd with the launch of a breakfast pilot program ...

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

For the first time in its 62-year history, beloved Chicago fast-food chain Portillo's is trying out breakfast this summer.