Tuna Tartare

150 g tuna, 0.2 dl olive oil, lemon juice, onion, suy sauce, pepper

Freeze fresh tuna for 20 minutes in order to slice it more easily. Remove white fibres and finely chop. Pour lemon juice over the fish. Mix fish with finely chopped onion, olive oil and soy sauce, season with pepper.

Mix well and serve with lemon slices, toasted bread and butter.