To make the base
Step 1 Grate the biscuits, using a machine of you like, with the aim of keeping some crunchy texture which you will lose if you put them in a blender.
Step 2 Melt the butter and mix together with the sugar, cinnamon and biscuits.
Step 3 Spread this evenly into the base of your prepared mould and firm down well. Put into the fridge to chill.
To make the cheesecake filling
Step 1 Put the gelatine leaves in a bowl with cold water and leave to soften. In another bowl, beat the cream cheese with the zest, icing sugar, Cointreau and the seeds scraped out from the vanilla pod.
Step 2 In a third bowl whip the cream until it reaches a soft peak. Drain the water from the gelatine and warm it gently until it melts
Step 3 Now fold the cream into the cream cheese and mix until smooth, before adding the gelatine and again mixing. Put this mixture onto your prepared base and refrigerate overnight.
Step 4 Gently warm the mould with a kitchen blow torch, or carefully with the steam from a kettle, before removing it and serving the cheesecake with your baked rhubarb.
To make the rhubarb compote
Step 1 Cut the rhubarb into small chunks, add the sugar and orange juice. Put in a moderate oven until soft.