Finely shred the biscuits in the universal shredder. Melt butter. Mix cookie crumbs and butter. Press the crumb mixture in a tart mould (approx. 24 cm Ø) with lift-off base to a smooth base and edge. Put the base in a cold place
Soak 1 and 4 gelatine leaves in cold water. Cut 5 passion fruits in half, spoon out the flesh. Spoon out the fruit flesh and 5 tbsp. passion fruit juice and let simmer for 1-2 minutes. Put the fruit juice in a bowl. Squeeze 1 sheet of gelatine and dissolve in it. Chill the fruit juice for about 30 minutes until it starts to gel
Wash the lime in hot water and grate dry. Rub half of the peel thinly. Halve the lime and squeeze the juice. Mix yoghurt, sugar, lime juice and zest. Squeeze 4 sheets of gelatine and melt in a small pot. Stir in 3 tablespoons of yoghurt cream, then stir into the rest of the cream. Chill the cream for about 15 minutes until it starts to gel. Whip cream until stiff and fold in
Pour the cream and fruit pulp into the tart by the spoonful and chill for at least 4 hours. Halve 3 passion fruits and spoon out the pulp. Bring the pulp and 3 tablespoons passion fruit juice to the boil and pass through a sieve. Leave to cool. Remove the tart from the mould and sprinkle with the passion fruit juice before serving
waiting time approx. 4 1/2 hours