Baci di Dama Hazelnut Biscuits

Biscuits

• 200 g hazelnuts
• 200 g granulated sugar
• 200 g plain flour
• 200 g unsalted butter, diced
• 1 tsp natural vanilla extract
• 1 pinch fine sea salt

Chocolate Filling

• 150 g dark chocolate, small pieces or callets
• 120 g double cream
  或 whipping cream