100²µ/3½´Ç³ú carrots, sliced
100²µ/3½´Ç³ú celery, sliced
1 bulb fennel, sliced
2 small gherkins, finely chopped
1 lemon, halved
25g/1oz button mushrooms, washed and sliced
1 onion, chopped
small handful flatleaf parsley, chopped
1 sprig thyme
1kg/2lb 4oz well-flavoured tomatoes, peeled or 2 x 400g tins chopped tomatoes
2 tomatoes, peeled, de-seeded and finely chopped
3 tbsp tomato sauce (see above)
2 tbsp capers, 1 tbsp finely chopped and 1 tbsp whole
50²µ/1¾´Ç³ú plain flour
1 tsp Worcestershire sauce
salt and freshly ground black pepper
4 garlic cloves, finely chopped
6 tbsp olive oil
2 tbsp olive oil, plus extra to serve
250ml/9fl oz fish stock (see above)
4 John Dory fillets