200g shortbread biscuits 25g butter, melted 600g full-fat cream cheese 75g golden caster sugar 4 large eggs zest 1 large lemon 3 tsp vanilla extract 100ml soured cream 8 plums, halved, stone removed, then cut into wedges 300g blackberries 100g light muscovado sugar Want to see what this recipe costs at different supermarkets?