Step 1
Step 1: Lay one sheet of puff pastry on a clean surface and arrange the squares of chocolate on top.
Step 2
Step 2: Sprinkle hazelnuts on top of each chocolate square.
Step 3
Step 3: Place another sheet of puff pastry on top and pinch the edges to seal it with the other pastry.
Step 4
Step 4: Cut the puff pastry into squares and place them on a parchment-lined baking sheet.
Step 5
Step 5: Brush them with egg wash. Bake in a 180°C (356°F) oven for 20 minutes.
Step 6
Step 6: Serve dusted with icing sugar.
