Ingredients:
For the cake:
6 Eggs
1/2 cup (100g) Sugar
180g (6oz) Ground hazelnuts
3 tablespoons (25g) Flour
3 tablespoons (22g) Cocoa powder
2½ teaspoons Baking powder
Pinch salt
For the frosting:
260g (1 cup + 2 tablespoons) Butter, room temperature
2/3 cup (200g) Nutella
170g (6oz) Dark/milk Chocolate
Also:
40g crushed wafers
8 Ferrero rocher candies
100g (3.5oz) Chopped hazelnuts
https://www.youtube.com/watch?v=lTljYCd91lM&ab_channel=TheCookingFoodie