Boil the eggs for 10 minutes, then place them in cold water.
Cut the chives.
Peel the eggs, cut them in half and separate the yolks from the egg whites.
Separately, mix egg yolks with mayonnaise and add a tablespoon of olive oil. Salt and pepper.
Slice the black truffle into thin strips using the mandolin . Incorporate the strips into the egg yolk and mayonnaise mixture.
Finally, fill the egg whites with the truffle, yolks and mayonnaise mixture. Sprinkle with chives.