Cod butter bean & tomato stew

1) Chop the onion and sauté in the olive oil until soft.
2) Add the wine and reduce to nearly nothing, then add the mixture to a casserole dish.
3) Chop and sauté the streaky bacon until coloured and add to the casserole dish.
4) Flake the cod fillets or add whole to the casserole dish.
5) Drain the butter beans and add to the dish.
6) Add the tin of tomatoes to the dish (you can blitz these first if you prefer a smooth sauce).
7) Chop the parsley and mix in with the other ingredients in the dish.
8) Add the salt and pepper and mix in.
9) Place in a preheated oven (180°C) and bake for 25 minutes.
10) Serve with the Parmesan sprinkled over.