Puddings - Tiramisu Cheesecake

Ingredients

• 500 ml double cream whipped
• 400 g mascarpone cheese
• 100 g icing sugar
• 100 g dark chocolate shaved with a potato peeler
• 60 ml coffee liqueur
• 250 g digestive biscuits bashed into a fine crumbs
• 120 g butter melted
• 60 ml strong cold espresso coffee
• 8 Sponge fingers
• 1 tbsp icing sugar