|The town of Gravina di Catania
Foods and cook recipes from Gravina di Catania
Cut the onions into slices and fry in a pan with olive oil and a pinch of pepper.
Season with salt and then add the vinegar and then the slices of tuna.
Throughout the area (twenty to thirty minutes over very low heat) you continually showered with a spoon the tuna with the sauce. Serve warm.