Instructions: 1 Make the aioli sauce: Peel the garlic, cut each clove in half and remove the green shoot, then press.

2 Mix the garlic and egg yolk in a bowl, whip, then pour in the olive oil drop by drop to begin with, whipping all the time, then in a continuous stream. Season and put in the refrigerator to keep cool.

3 Heat the groundnut oil in a deep pan and fry the tuna steaks quickly on each side. Cover the pan, lower the heat and cook for 15 minutes.

4 Place the tuna on a serving dish and serve immediately with the aioli sauce.

Tuna was already popular in Ancient Times. The Phoenicians salted and smoked it.

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