Step #1:
In a bowl type container, emulsify the olive oil, Floc de Gascogne, lime juice and soy sauce then set aside.
Step #2:
Cut the tuna into thin strips and place in a deep plate.
Step #3:
Sprinkle everything with the prepared sauce and leave to marinate for 15 minutes in the refrigerator.
We advise you to serve the carpaccio with a few rocket leaves, pieces of pink grapefruit and a few roasted sesame seeds.
You can also use bonito.
Ask your fishmonger to remove the skin and bones.