When the folks at Nice Matin realized their burger was something else, they built an entire restaurant around it. Established in 2008 and going strong since, 5 Napkin Burger remains a stellar contender among the city’s best patties, catering to every type of eater (you’ll count a vegan, a vegetarian, a truffle, and a tuna burger), though the namesake remains our perennial favorite — Gruyère, caramelized onions, and a rosemary-garlic aioli. What else could you need?