1 bunch fresh chervil, finely chopped
1 bunch fresh chives, snipped
1 bunch fresh dill, finely chopped
2 fennels, trimmed and thinly sliced
1 bunch fresh tarragon, finely chopped
2 tsp caraway seeds, toasted and ground
100驳/3陆辞锄 caster sugar
2 tsp fennel seeds, toasted and ground
1 bronze gelatine leaf
large pinch of hot paprika
2 tbsp ground pink peppercorns
200ml/7fl oz white wine vinegar
crispbreads, to serve
125ml/4fl oz soured cream
1 whole salmon (about 3kg/6lb 8oz), cut into 2 fillets, pin-boned and skinned