2 tsp lemon juice
100g/3陆oz fresh cep (or porcini) mushrooms, sliced
small handful fresh flatleaf parsley, chopped
3 shallots, thinly sliced
600ml/20fl oz chicken stock
mashed potato and wilted spinach, to serve
salt and freshly ground black pepper
100g/3陆oz vacuum-packed chestnuts, sliced
100g/3陆oz unsalted butter
20驳/戮辞锄 pecorino sardo (or normal pecorino) cheese, finely grated
700g/1lb 9oz brill, plaice or flounder fillets, skin on
60g/2录oz confit pork skin (see tip), very finely diced, or diced ham fat
75ml/2陆fl oz dry white vermouth