1 Melt the chocolate and butter in a double boiler.

2 Separate the yellows from the whites.

3 Beat the egg whites with a pinch of salt. Then add the sugar and whisk.

4 Pour the yolks into the chocolate while stirring.

5 Gently fold the white snow into the chocolate. Mix gently with a spatula.

6 Pour the chocolate mousse into ramekins, refrigerate for 3 hours before tasting.

7 Decorate with whipped cream and some chocolate shavings.