Heat the oven to 220 C. Chicken was dry and sprinkle with pepper and salt. Put it in a baking dish and pour in olive oil. Bake 15-20 minutes without capped. Chicken out of the oven, put it in a warm dish and sprinkle with melted butter. Leave aside. Excess fat is poured from the pan and pour the tomatoes and olives. Tray is put back in the oven and bake for 5 minutes. Tomatoes are peeled, cleaned of seeds and cut into quarters. Tomatoes and olives are arranged around the chicken and pour the sauce from the pan. Serve with boiled baby potatoes or toast.