Chocolate and Coffee Christmas Log Cake - Share Food Singapore

Ingredients

• 90 g egg yolks
• 1 medium egg whole
• 32 g cooking oil
• 36 g milk
• 10 g Cocoa powder
• 77 g plain flour sieved
• pinch of salt
• 153 g egg whites
• 2 g cream of tartar
• 90 g fine granulated sugar
• 150 g water
• 200 g sugar
• 15 g instant coffee
• 400 g milk chocolate conventure 65%
• 160 ml whipping cream
• 340 ml whipping cream