Ingredients: 1 scorpina, 1 kilo of small onions, tomato sauce, a little vinegar or balsamic vinegar, rosemary, sugar
salt and pepper.
Instructions: Wash and clean the scorpina well. Clean the onions, put them whole in a deep pan and fry them until they start to caramelize.
Then add the sauce, vinegar, rosemary, sugar, salt and pepper and let them boil over high heat. Flour the scorpina and put it in the pot.
Cover the pot with the lid, lower the heat and let the food boil for about an hour and a half, until it is ready.