Yule Log

Cake

• 4 large eggs, at room temperature, separated
• 1 Tbsp cornflour
• ½ tsp cream of tartar
• 5 Tbsp icing sugar, plus extra for dusting
• 150 g caster sugar
• 50 g cocoa powder
• 1 ½ tsp natural vanilla extract
• 1 pinch fine sea salt

Icing

• 80 g dark chocolate (50% cocoa solids), small pieces or callets
• 150 g icing sugar
• 120 g unsalted butter, soft, plus extra for greasing
• 1 Tbsp natural vanilla extract

Filling and Assembly

• 200 g double cream