1. Separate the egg whites from the yolks. Then, soften the chocolate in a saucepan in a bain-marie.
2. Off the heat, stir in the egg yolks and sugar.
3. Beat the egg whites until stiff. Then gently fold the egg whites into the mixture using a spatula.
4. Pour into a terrine or verrines. Then leave to rest in a cool place for at least 2 hours.
5. Add salt and truffle oil for new flavors. Enjoy!