Maybe you make an incredible cheese sandwich. Maybe you make a sandwich so good, with melty, gooey cheese and ham, that no other sandwich can compare. Perhaps you add relish, or a little smear of mustard for a nose-tingling kick. Perhaps you hold strong opinions about whether ketchup belongs in a cheese sandwich (it doesn’t). Maybe you’re all cheese-sandwiched out: From the pimento sandwich and the steamed cheeseburger to the artisanal sandwich with chèvre, guanciale, and fig jam, you’ve had them all. Until you haven’t. By the grace of the sandwich gods and some venturous hot dog joints in Fall...