Mix jelly and sugar in a pot. Stir in 250 ml water with a wooden spoon. Heat while stirring until everything is dissolved. Do not let it boil! Let it cool down
Melt butter and chocolate. Put the biscuits in a freezer bag and crumble them finely with a dough roll. Brush the bottom of a springform pan (26 cm Ø) with oil. Mix chocolate butter and biscuits well, put them on the bottom of the springform pan and press them down to a firm base. Chill for about 45 minutes.
Select the raspberries, set some aside for decoration, puree the rest. Stir the cream cheese until smooth, add the jelly. Whip cream until stiff, fold into the cream
Put about half of the cream into the springform pan. Spread half of the raspberry puree on top and fold in loosely with a fork. Add the rest of the cream and the remaining raspberry puree and also marble with a fork. Chill for about 4 hours. Remove the cake from the tin and decorate with raspberries
waiting time approx. 4 3/4 hours