Cut chicken into serving pieces, wash and dry thoroughly. Butter roasting pan, Arrange potatoes around outer edge of pan; add chicken, lay pieces skin side down. Sprinkle with salt, pepper, parsley, chopped garlic, raisins, Romano, nuts, and basil. Put dabs of butter on chicken, then sprinkle with vinegar. Bake in preheated oven 180ºC or 1 hour.