Lightly grease 4 pieces of foil which are large enough to loosely wrap around the cod fillets.
3
Step 3
Place a piece of cod on each sheet of foil, dust with salt and pepper.
4
Step 4
Melt butter in a frying pan and cook onion until soft. Stir in the crumbs, parsley, lemon juice and olives. Divide into four and place a portion on top of each piece of cod.
5
Step 5
Wrap the foil loosely around the base of the fish but do not cover the topping.
6
Step 6
Place on a baking tray and cook in the oven for approximately 20 minutes.
7
Step 7
Remove from the oven and carefully lift the fish from the foil and place on a serving plate.