3 fegato calves Recipes

extra-virgin olive oil, unsalted butter, onions, very thinly sliced, salt, calves liver, thinly sliced, red wine, a few drops of aceto tradizionale

orange , zest finely chopped, plus juice from whole, garlic, finely chopped, rosemary, finely chopped, bay leaf, crushed , plus 4 bay leaves, broken into pieces, hot chile flakes, salt and pepper, calves liver , cut into even pieces, enough caul fat to wrap each piece of liver