1 yellow or red bell pepper
Wipe clean the button mushrooms and cut into halves. Wash all other vegtables and cut into pieces (except lettuce).
Preheat oven to 200°C. In a large ceramic or glass baking dish, place all vegetables (except lettuce) at the bottom. Place a wire rack in the baking dish over the vegetables. Place rosemary sprigs on the rack and place chicken, skin side up, atop rosemary sprigs in dish. Position rack in center of oven. Roast chicken uncovered for about 1 1/2 hours. Transfer chicken to platter and serve with lettuce and a wedge of lemon.