Set the oven to 150 degrees. Mix and mix the biscuits with cardamom and melted butter. Distribute the crumbs on the bottom of eight dessert glasses, which can withstand oven heat. Press to the crumbs with the bottom of a smaller glass. Bake on a plate in the lower part of the oven, about 10 minutes.
Mix cream cheese, crème fraiche, sugar, blueberry, grated lemon zest and vanilla sugar in the food processor with the knife mounted.
Distribute the filling into the glasses. Bake in the oven, about 20 minutes. Let them cool and then cool in the fridge.
Whisk cream fraiche, whipped cream and icing sugar thick. Sprinkle a click in the glasses and garnish with American blueberries and mint. Aim over icing sugar at serving.
