Baked Tuna with Herbs

It is a joy to shop in the Vucceria market of Palermo. The fish is so fresh and so appetizingly displayed that it is impossible to resist. Fresh tuna is now available everywhere, often replacing meat because it does not have a noticeably fishy taste. For this recipe you could substitute swordfish or any large fish that can be cut into thick slices. Tuna, however, is perfect, and the aristocratic guests I cooked it for in Palermo were most enthusiastic about my interpretation of Sicilian coo