Spatchcocked chickens cook quickly and evenly, turning gorgeously brown in the process. Roasting grapes with a sprinkle of sugar and some sherry vinegar is one of those culinary party tricks that I pull out whenever I want to seem impressively elegant without actually doing much work. Here it is with a golden spatchcocked chicken. This is company-worthy, weeknight easy, and exceedingly pretty if you use a combination of red and green grapes.
