This recipe was originally demonstrated on a Disc-It outdoor grill (think of a propane-powered wok on steroids), but you can grill these burgers as well. Read more about the Disc-It and burgers in Mark Masker's article here.
This recipe is part of a five-part series devoted to chipotles--those many varieties of smoked chiles. You can go here to start reading--and cooking with--chipotles of all kinds.