street vendor hot dogs are like fingerprints, no two are exactly alike. (These are all from New York City, but experience shows that this theory holds in Los Angeles, Chicago, Philadelphia and beyond.) Amall-batch artisanal sausages need not apply here. Condiments may be negotiable, but these accouterments aren't: a patch of sun, a park bench. and people-watching. Bryant Park, 42nd Street and 5th Avenue, onions in red sauce. South Street Seaport, Beekman Street at South Street, ketchup onion, and mustard. Financial District, Broadway Avenue at Wall Street, dijon mustard. Times Square, 42nd Street at Broadway Ave, ketchup and mustard. Central Park, 59th Street at 5th Avenue, relish.