Kue Keju Panggang Klasik

Bahan-bahan (12 porsi)

• 200 g / 7 oz Arnott's Marie crackers or other plain biscuit ((Aus) or 28 Graham Cracker squares (Note 1))
• 120 g / 8 tbsp unsalted butter (, melted)
• 1 lb / 500g cream cheese (, softened (Note 2))
• 2 tbsp plain flour ((all purpose flour))
• 1 tsp vanilla extract
• 1/2 cup sour cream ((full fat))
• 1 1/2 cups caster sugar ((superfine sugar))
• Zest of 1 lemon
• 3 large eggs (, at room temperature)
• Strawberries, blueberries, raspberries
• Icing sugar / powdered sugar (, for dusting)