First get the zest and the juice of a lemon. Slice 2 shallots into very thin rings. Mix 2 tbsp juice with 1/2 tsp sugar, 1/2 tsp sea salt, fresh pepper and the shallot. Rub the salt and sugar with your fingers in the shallots and reserve.
30 mins before serving (not earlier or the fish will be overcooked by the lemon juice), cut 4 fillets of sea trout (skin removed) in small cubes and mix the lemon zest, another 2 tbsp juice, 1,5 tsp sea salt, fresh pepper and 2 tsp olive oil.
After 20 mins heat 20 gr butter with a tsp caraway seeds till frothy, caramelised and with a nutty smell.
Plate the fish, pour the brown butter over it, and finish with the sweet&sour shallots, 20 gr of pistachio nuts and tarragon leaves .
(Another Ottolengi recipe)