Beat the cream with the cream stiffener until stiff, while drizzling in the vanilla sugar. Mix the cream, lemon juice and amaretto together.
Sort fresh raspberries, defrost frozen berries. 8 Set the raspberries aside for decoration. Puree the remaining raspberries with 30 g sugar.
Crumble the amarettini. Put some cream in each of the 4 glasses. Put some raspberry puree and biscuit crumbs on top. Layer in the rest of the cream. Layer the rest of the raspberry puree and biscuit crumbs on top. Decorate with the set aside raspberries.