Melt the butter. Put the cookies into a freezer bag and crumble them with the cake roll. Mix with butter. Spread the bottom of a springform pan (26 cm Ø) with oil. Add the crumbly mixture, press down firmly and chill for about 15 minutes.
In the meantime soak the gelatine. Mix cream cheese preparation, vanillin sugar and egg liqueur. Squeeze the gelatine and dissolve in the pot while stirring. Add 1-2 tablespoons of the cream cheese-egg liqueur mixture to the pot and stir. Stir the gelatine mixture into the cream cheese-egg liqueur mixture. Whip the cream until stiff. When the mixture begins to gel, fold in the cream.
Pour the mixture into the mould, smooth it down and chill for at least 3 hours. Pour the apricots into a sieve and drain well, dab the undersides of the apricots with kitchen paper. Remove the cake from the mould. Cover cake surface with apricots.
Melt the chocolate over a warm water bath, fill into a disposable piping bag, cut off a small corner. Decorate the cake in strips with the chocolate coating. Let it dry. Arrange on a plate. Carefully cut into pieces