Chipotle

MILESTONES Chipotle’s menu is now 100% preservative free, with no added colors or flavors. It got there by ditching commercial tortillas in favor of ones with only five ingredients: flour, water, canola oil, salt, and yeast. CHALLENGES The fastfood pioneer is still charting the way forward after its reputation-damaging E. coli outbreak of 2015: A third of its board did not stand for reelection during the May shareholder meeting. BUZZ