Technical Stages :

• Beat 1 egg + 3 egg yolks along with 90 g of sugar for 5 minutes.
• Add the flour, starch, and cocoa.
• Beat the egg whites very firm and beat in the rest of sugar. Add them to the dough.
• Pour the dough on a baking sheet covered with buttered parchment paper.
• Smooth using a rubber spatula and bake 20 minutes at 180°C.
• When finished, remove from the oven and leave to cool 3 hours.
• Beat the very cold liquid cream into whipped cream.
• Add the liquor.
• Place the biscuit on a cloth. Remove the parchment paper.
• Cover the surface of the biscuit with whipped cream.
• Roll the dough with the help of the cloth.
• Decorate the surface of the log with icing sugar and chocolate shavings.
• Serve very cold.