There’s something deeply comforting about a roast chicken. Add in a tray of caramelised summer vegetables—eggplant, zucchini, capsicum, and tomatoes—and you’ve got a dinner that tastes like the south of France. This Roast Butterflied Chicken with Ratatouille is a rustic, one-tray wonder that’s full of colour, flavour, and ease. A Happy Accident This dish came…