Preheat the Oven: Begin by preheating your oven to 200 °C (390 °F).
Prepare the Pastry: Roll out the puff pastry sheet on a clean surface. Place the chocolate tablet at the center of the pastry.
Create the Cuts: Make horizontal cuts on both sides of the chocolate, leaving about 2 cm between each cut.
Braid the Pastry: Start braiding the pastry by crossing the strips from one side to the other, covering the chocolate completely.
Egg Wash: Beat the egg and brush it over the entire braid to give it a lovely, golden shine. Sprinkle with chopped almonds or a touch of sugar or cinnamon for extra sweetness.
Bake to Perfection: Carefully transfer the braid onto a baking sheet lined with parchment paper and bake for 20 minutes or until golden brown and crispy.
Serve Warm: Let it cool slightly and serve warm, perhaps with a scoop of vanilla ice cream for that extra indulgence!