Line an angular form (25 x 17 cm) with lady fingers. Sprinkle with coffee. Allow a little bit to soak through. Meanwhile wash and drain the strawberries and clean and halve them, except for 3 pieces. Sort the raspberries. Wash and drain the blueberries.
Cut the vanilla pod lengthwise and scrape out the pulp with the back of a knife. Mix curd, mascarpone, vanilla pulp and sugar with the whisk of the hand mixer until smooth. Fold the fruits (except for the uncleaned strawberries and 1/2 tablespoon each of raspberries and blueberries) into the cream. Carefully spread the cream on the lady fingers and refrigerate for about 1 1/2 hours. Halve the remaining 3 strawberries. Dust the berry tiramisu with cocoa and cut into 6 pieces, carefully lift them out of the mould and decorate with the remaining fruit
1 1/2 hours waiting time