Blueberry cheesecake - Moje wypieki

Ingredients

• 150 g digestive biscuits
• 50 g butter, melted
• 750 g curd cheese, finely ground (or minced) three times
• 2 tsp vanilla extract
• 220 g caster sugar
• 4 eggs
• 2 Tbsp plain flour
• 1 Tbsp lemon juice
• 250 g wild blueberries, blended and strained through a sieve
• 250 ml soured cream or crème fraîche
• 2 Tbsp icing sugar
• 1 tsp vanilla extract