Melt the butter in the microwave on short bursts on in a small pan over a medium heat until smooth.
Blitz the biscuits to a fine crumb, and then mix through the cocoa powder
Add the melted butter, and pulse a few times until it is combined well.
Tip into a 8″/20cm deep springform tin and press into the sides and base of the tin
For the Filling
Make sure the cherries have been soaked in kirsch for at least a few hours, but preferably overnight
Melt the dark chocolate, until smooth. Leave to cool for 5 minutes
Add the soft cheese and icing sugar to a new bowl, and then whisk until combined
Add the cooled and melted dark chocolate, and stir to combine
Pour in the liquid double cream and continue to whip the cheesecake until it is starting to thicken. Alternatively, whip the cream separately and fold through
Add the soaked cherries to the mixture, along with the kirsch, and fold together.
Pour the mix on to the biscuit base and smooth over, making sure to pack it into the sides and smooth over properly
Set in the fridge for at least 5-6 hours or preferably overnight.
For the Decoration
Remove the cheesecake from the tin, and prep the decoration.
Whip the double cream, icing sugar, and vanilla in a bowl to soft-medium peaks. Pipe rosettes around the edge of the cheesecake
Add some fresh cherries to the top of the cream swirls, and grate over some chocolate