Blueberry Cheesecake

Cheesecake

• unsalted butter, soft, for greasing
• 100 g sugar
• 220 g oat cakes
  of 220 g plain biscuits
• 50 g porridge oats
• 20 g brown sugar
• 60 g unsalted butter, soft
• 400 g cream cheese
• 200 g crème fraîche
• 200 g mascarpone
• 30 g self-raising flour
• 4 medium eggs

Topping

• 100 g red berry jam
  of 100 g strawberry jam
• 50 g port
• 250 g fresh blueberries