Just Mayo came in original, wasabi, truffle, sesame ginger, garlic, chipotle and sriracha flavors. Chipotle BBQ is the most recent flavor. Fast casual restaurants are primarily chain restaurants, such as Chipotle Mexican Grill and Panera Bread. McDonald's followed up its investment in Chipotle with several more moves beyond the burger business. On September 21, 2018, Subway debuted the Chipotle Cheesesteak sandwich for a limited time. He is the founder, former CEO, and Executive Chairman of Chipotle Mexican Grill. In October 2006, McDonald's fully divested from Chipotle. Because Chipotle does not franchise, all restaurants are corporately owned. Chipotle also offers a children's menu. Chairs, catering, and PCs were provided by Secret Lab, Chipotle and NZXT respectively. Usually when used commercially, the product is advertised as having chipotle in it. Some security experts criticized the way Chipotle had downplayed the incident. As of March 2018, Pershing Square held a 10.3% stake in Chipotle.