Preheat the oven to 200C Gas Mark 6
Place the cod fillets in a baking dish.
Peel and chop the onion and garlic.
Chop the red pepper into small pieces, discarding the pips
Add the olive oil to a pan and fry the onions and garlic until soft then add the pepper.
Cook for a couple of minutes then add the tomatoes, wine, lime juice and zest, paprika, chilli powder and rosemary. Season with salt and pepper.
Cook gently for ten minutes.
Pour the sauce over the fish and bake in the oven for 15 -20 minutes until the fish is cooked