Poolside parties. Backyard luaus. Outdoor concerts. Like peanut butter melds with jelly, certain soirees seem to go hand in hand with Summer. But I'd argue that there's no better way to pass the long, balmy days than to gather friends for an impromptu picnic. In true spur-of-the-moment fashion, any fare goes — but there are some old favorites that come to mind. Here are 20 picnic foods that fit the bill for a reason.
— Additional reporting by Susannah Chen