Crush 400 g of hazelnuts into fine crumbs using a blender. Whip the egg whites with a mixer and sugar until homogeneous, add the hazelnuts and mix. Place parchment paper on a baking sheet, spread the batter for the cake on it, and bake at 110 degrees for 40 minutes.
Required ingredients:
- Hazelnut: 600 g
- Egg white: 5 piece
- Sugar: 250 g