For the crust: (250 gr) biscuits crumbs • (150 gr) unsalted butter • For the filling: • (300 grm) white chocolate • (250 gr) heavy cream • (250 gr) cheese • (40 gr) unsalted butter • (7 gr) gelatin • (70 gr) cold water • For the sour cream topping: • eggs • (150 g) lemon juice •