Β½ well-scrubbed lemon, finely grated zest
lemon wedges, for serving
25g/1oz bunch curly leaf parsley, tough stalks removed and leaves finely chopped
600g/1lb 5oz medium potatoes (preferably Maris Piper)
6 spring onions, trimmed and finely sliced
25g/1oz plain flour, for dusting
25g/1oz plain flour
1 bay leaf
flaked sea salt and freshly ground black pepper
100²µ/3Β½΄Η³ϊ fresh white breadcrumbs
75ml/2Β½fl oz sunflower oil
25g/1oz butter
2 large free-range eggs
500ml/18fl oz whole milk
250g/9oz thick cod fillet, unskinned
reserved milk from cooking the fish
250g/9oz thick salmon fillet, unskinned
100²µ/3Β½΄Η³ϊ smoked haddock fillet, unskinned