Portillo’s is bringing its signature Chicago-style flavor to the morning crowd with the launch of a breakfast pilot program at five suburban and city locations, starting Tuesday.

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

The Mitchell Group, Niles, Ill., announced the opening of a new manufacturing facility for its Sta-Kleen Silicone line.

Portillo's will start testing a breakfast menu starting next week at selection locations. The iconic Chicago chain known for its hot dogs and Italian beef sandwiches will be launching the brand new ...

Chicago, it’s time to wake up and smell the Italian beef. Portillo’s, the spot you know and love for Chicago-style Hot Dogs ...

Oak Brook-based hot dog giant Portillo’s is trying out a breakfast menu for the first time in its 62 years, the company ...

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

Five Portillo’s locations in the Chicago area will soon offer a first-ever breakfast menu under a new pilot — and the menu ...