How to make

1) Preheat oven to 180c/350F/Gas Mark 4
2) Wash and slice the potatoes. Place into a baking dish along with the chopped onion
3) Pour over the vegetable stock, add salt and pepper
4) Bake for 15 mins
5) Cut the cod into large pieces
6) Remove dish from oven and add the fish, olives, tomatoes. Squeeze over lemon juice and add the olive oil, season to taste
7) Cook for another 15 mins adding a little water if needed. Sprinkle over the parsley and serve