If ever there were a drink that tastes like a deep breath on a hot day, this would be it. The rhubarb keeps things crisp and light, the strawberries add gentle fruitiness, and the white wine vinegar or rice vinegar brings a whisper of tang without stealing the show.This is one of those drinks that doesn’t taste aggressively of anything, and that’s exactly the point. It’s delicate, cooling, and easy to keep sipping through the afternoon. If you’re vinegar-shy, start here.