Torcello style cod

Preparation:

Preparation: Wash the cod, remove the bone and skin, cut it into pieces, flour it and brown it in a pan with a little oil. Then add chopped half an onion and cook for 10 minutes, stirring frequently. Remove from the heat and keep warm. In another saucepan, brown the rest of the chopped onion with the garlic, the oil, the rosemary, the bay leaf, the chopped tomato pulp and the concentrate; add salt and pepper and continue cooking for 25 minutes on a moderate heat. Pour this sauce over the fish, sprinkle with chopped parsley and serve.