FOR THE BASE

1. Mix the cookies in a food processor or blender. Add to the melted butter in a large mixing bowl.
2. Pour this mixture into a well greased 8” springform pan, pressing down firmly until even.
3. Refrigerate.

FOR THE TOP

1. Mix softened cream cheese and sugar together in a bowl.
2. Melt the dark chocolate in a double boiler or in a heat-proof bowl over a pot of simmering water.
3. Add the melted chocolate to the cream cheese mixture a little at a time, stirring continually.
4. When thoroughly mixed, remove the base from fridge and use a spatula to spread the topping mixture evenly across the base right up to the edges of the springform pan.
5. Allow to set in the refrigerator for at least two hours. Release from pan and dust with cocoa powder before serving.