Toasted pieces of bread with liver paste (Crostini di fegatini)

INGREDIENTS: (6 servings)
broth/stock:
butter
capers
onion: 1
chicken livers: 12 oz
olive oil
home-made type bread:
pepper
salt
white wine

Chop the onions and brown them in 2 spoonfuls of oil and a little butter. Add the chopped chicken livers, cook for about 25 minutes pouring over the wine, at the end of the cooking time chop everything very finely and add the capers, chopped fillet of anchovy, cook again adding some stock and salt and pepper to taste. Spread the paste on a slice of toasted bread and pour over some of the stock.