Arrange the cantuccini on four plates. Drizzle espresso and amaretto over them. Mix mascarpone, milk, 2 tablespoons sugar and vanilla sugar. Whip cream until stiff and fold in. Pour onto the cantuccini and leave to stand for about 30 minutes.
Wash the figs, cut off the stalks. Cut the figs into small pieces and put them into a tall mixing bowl with nectar. Puree with a hand blender.
Arrange the fig coulis on the plates. Dust with cocoa.