individual oreo cheesecakes with warm chocolate topping

Why I Love This Recipe
loving the new sensation of oreo biscuits in britain, thought i would come up with a recipe to convert those who think they dont like them!!
Ingredients You'll Need
1 packet oreo biscuits
250g mascarpone cheese
1tsp vanilla extract
3tbsp caster sugar
50g butter melted
75g dark chocolate (min 70pc cocoa solids)
Directions
1- split oreos and keep the pieces without cream filling to one side
2- crush cream covered sides with a rolling pin in a large bowl
3- add mascarpone, sugar and vanilla then combine thoroughly
4- line 4 individual pudding moulds with cling film then fill with mixture
5- wrap ends of cling over the top of the mix and chill in fridge until next step
6- crush rest of biscuit pieces with a rolling pin and add the melted butter
7- mix well then remove moulds from fridge and top with bicuit mixture
8- smooth bases then rewrap and place back in fridge for at least 1 hour or until needed
9- melt the dark chocolate in a heatproof bowl over some gently simmering water until silky
10- serve cheesecakes with a dollop of warm melted chocolate on top