New York Cheesecake

Name: New York Cheesecake
Prep time: 25 min
Cook time: 1 h 15 min
Total time: 7 h 40 min
Yield: Makes 1 28 cm (11¼ inch) cheesecake
Cuisine: American
Ingredients: 600 g (1 lb 5 oz) sour cream (30% dairy fat); 1 lemon, juice and finely grated zest; 70 g (2½ oz) plain (all purpose) flour; ½ teaspoon salt; 1 teaspoon natural vanilla extract; 8 eggs; 185 g (6½ oz) sweet wholemeal biscuits (e.g. Graham Crackers®), crushed; 1 tablespoon caster (superfine) sugar; 90 g (3¼ oz/⅓ cup) unsalted butter, melted; 900 g (2 lb) plain cream cheese, softened (25% dairy fat, preferably Philadelphia®); 260 g (9¼ oz) caster (superfine) sugar