Anyone who’s ever stirred up an Old Fashioned or watched a bartender with a vest and a mustache wave a dropper bottle over a coupe glass has probably encountered bitters. These tiny tinctures might look unassuming on the shelf, but they’re major players in flavor. Just a dash or two can turn a drink from flat to fully dimensional. The thing is, most people don’t actually know what bitters are, let alone what they’re made of or whether they contain alcohol. (Spoiler alert: many do.) Th...
