Dark chocolate cookies with cream cheese filling

Cream cheese filling

• 120 g cream cheese, cut into pieces
• 90 g unsalted butter, cut into pieces
• 100 g pure icing sugar

Cookies

• 70 g dark chocolate, broken into pieces
• 120 g unsalted butter, cut into pieces
• 60 g caster sugar
• 150 g plain flour, plus extra to dust
• 1 pinch salt
• 2 tbsp black cocoa powder (see Tips)