Tonno al ragù

Braised tuna steak is a specialty of the island of Favignana, a few miles off the coast of Trapani. Favignana is the home of the mattanza, or seasonal tuna slaughter, during which fishermen surround a school of fish with anchored nets, stab at them with harpoons until the water turns red with blood, and then haul in their catch. The waters are now overfished and the traditional practice has been reduced to one day a year, making it only ceremonial, rather than a means of gathering fo