11g pack powdered gelatine, plus 1 tsp 175g shortcake biscuits, crushed to crumbs 85g butter, melted 250g tub Quark 250g tub mascarpone 150ml Baileys cream liqueur 142ml pot double cream, lightly whipped 2 eggs 140g caster sugar 1 heaped tsp powdered gelatine 150ml strong black coffee 2 tbsp caster sugar, to sweeten the coffee Want to see what this recipe costs at different supermarkets?