Atum de cebolada
From Vila Real de Santo António to Tavira, cebolada means a deep pan of onions cooked slowly in olive oil with garlic, bay and tomato, finished with a splash of vinegar, and tuna steaks laid in it to braise. Fishing families made it with the cheaper cuts from the tuna traps; restaurants still serve it on weekday lunch menus with boiled potatoes. Chef's tip: give the onions their full 25 minutes, so they turn sweet and jammy before the tuna goes in.





