Baked Cornish cod piperade, Cornish mussels and basil mayonnaise

By Paul Ainsworth From Saturday Kitchen Ingredients 4 x 200g/7oz cod fillets (or other white fish), ideally Cornish 1kg/2lb 4oz mussels, ideally Cornish, scrubbed and debearded 250ml/9fl oz dry white wine dash olive oil 250g/9oz good-quality chorizo, cut into thick rounds …