Cut the vanilla pod lengthwise and scrape out the pulp. Mix pulp, sugar, mascarpone and lemon juice. Whip cream until stiff and fold in. Chill for about 15 minutes. Cut sponge cake into small cubes.
Wash the figs and dab dry. Cut 3 1/2 figs into cubes, sprinkle with honey and mix carefully (otherwise they lose juice). Arrange cream, figs and chocolate crumbs in glasses. Cut the remaining half figs in half again and cut into thin slices.
Decorate glasses with figs and mint.