Heather Hoy, from left, her son Andrew, 2, and husband Blair eat lunch at Smashburger in Elmhurst, Ill., June 1, 2012. "This has a lot more variety to pick from," said Heather Hoy, who added that they usually go to Portillo's. "It was a fun treat." (Keri Wiginton/Chicago Tribune/MCT)

Keri Wiginton, Chicago Tribune