10g/½oz chopped fresh chervil
½ lemon, peeled, segmented, roughly chopped
10g/½oz chopped fresh flatleaf parsley
1kg/1lb 2oz potatoes, such as Desirée, Belle de Fontenay, Estima or Maris Piper, peeled, cut into quarters
30²µ/1¼´Ç³ú shallot, peeled and finely chopped
30²µ/1¼´Ç³ú capers, drained, rinsed
50ml/2fl oz hot brown chicken stock
2 pinches sea salt
4 pinches sea salt
2 pinches freshly ground white pepper
1 pinch freshly ground white pepper
30g sliced white bread, cut into 1cm/½in cubes
60g/2½oz unsalted butter
200ml/7fl oz full-fat milk
4 x 180g/6oz pollock fillets, about 3cm/1¼in thick, skin on, bones removed