Put the raspberries in a bowl and defrost. Melt butter in a pot. Finely chop 350 g cookies with a universal chopper and mix with the butter. Spread the bottom of a tart mould with lift-off base (26 cm Ø) with oil.
Add the breadcrumb mixture and press to a smooth base, chill for about 30 minutes.
Soak gelatine in cold water. Coarsely chop 50 g cookies. Finely mash raspberries. Whip 200 g cream until stiff. Mix cream cheese and sugar. Squeeze out the gelatine, dissolve, stir in 3 tbsp. cream cheese and stir into the rest of the cream cheese.
Fold in whipped cream and cookie crumbs. Fold in 75 g raspberry puree in streaks. Spread the mixture on the crumb base, chill for at least 2 hours.
Whip 150 g cream until stiff. Pour cream into a piping bag with a medium perforated spout. Coarsely crumble 50 g cookies. Carefully remove the tart from the tin and place on a cake plate. Spray cream tuffs onto the edge of the cake.
Decorate with pieces of cookies and the rest of the raspberry puree.