This mixture for seasoning the tuna is excellent. The slices can be cut into halves or quarters and can be served in such a way that you can see the incredible deep red color of this fish. This recipe can be Gluten Free if you replace the Soy Sauce with Gluten Free Soy Sauce.
Put the coriander, thyme and coriander in a mortar and pestle or chop in a chopper. Add sugar, salt and pepper.
Put the tuna slices on a plate and cover them with the previous mixture. Remove and let stand for about 15 minutes
Dissolve the coffee in the mandarin juice, add the honey, the soy sauce, the salt, the sesame oil and the pepper. Aside, mix the flour with the butter, form a paste and add it to the coffee mixture. Cook over medium high heat for 5 to 7 minutes or until thick and no longer tastes like flour. Add the ginger and remove from the stove.
In a pan with oil over medium high heat, put the tuna steaks and cook them for 1 to 2 minutes on each side, for a medium term
Pour the sauce in the same pan to reheat and serve