03Place the chicken in a roasting pan and rub olive oil over the skin. Sprinkle with salt and pepper, and then place in the oven for 15 minutes.04After 15 minutes, take the chicken out and add the potatoes, shallots and carrots to the pan. Roast until the juices run clear, another 45 minutes. Remove from the oven and let rest on a carving board for about 10 minutes.05While the chicken is resting, remove the vegetables from the pan and drain most of the chicken fat. On medium heat, add the escarole to the pan and saute until wilted halfway. Combine the Dijon mustard, vegetables and escarole into a serving dish. Carve the chicken, place on top and serve.