Let silk tofu drain well in a sieve for about 2 hours.
Chop the chocolate and melt over a warm water bath. Stir vanillin sugar and sugar into the chocolate. Finely puree the silk tofu with a blender. Add the chocolate and puree until everything has combined. Pour the chocolate mousse into dessert glasses and chill for about 3 hours.
Mousse with chocolate rolls and decorate with mint.