2 beef tomatoes, diced
1 tbsp chopped fresh basil and chervil
1 garlic clove, crushed
1 lemon, juice only
200g/7oz samphire
1 tsp coriander seeds
200ml/7fl oz extra virgin olive oil
400ml/14fl oz hot fish stock, to cover
160g/5戮oz unsalted butter
2 x 300g/10陆oz cod fillets, skin-on and pin boned