35g butter 85g reduced-fat digestive biscuits, finely crushed 2 x 300g/11oz tubs light soft cheese, we used Philadelphia cheese, at room temperature 175g golden caster sugar 3 tbsp cornflour 1½ tsp finely grated lemon zest, preferably using a Microplane grater 1 tsp lemon juice 1 tsp vanilla extract 3 eggs, room temperature, beaten 150g fromage frais 25g golden caster sugar 225g punnet blueberries ½ tsp finely grated lime zest 100g fromage frais Want to see what this recipe costs at different supermarkets?