Ingredients for 4 people:

150g toasted and peeled Piedmontese hazelnuts
3 whole eggs, 100g flour
100g sugar, 50 ml milk
25g butter
1,5g cinnamon powder
Grated orange peel or 1 tb orange liqueur
7g baking powder

Coarsely chop the skinned hazelnuts and add them to the beaten eggs. Add the flour, sugar, milk, softened butter, cinnamon and orange peel or liqueur and stir for several minutes. Add the baking powder and stir again.

Put the mixture in a buttered baking tray and bake 40-45 minutes at 160-170°C