Ingredients
4 eggs
170 g sugar
250 g of ground hazelnuts
2 tablespoons of flour
1/2 teaspoon baking powder

Preparation
Preheat the oven to 180 ° C.
Mix the eggs and sugar with a mixer.
Add the flour, baking powder and ground hazelnuts and mix well. Pour the mixture into a greased muffin pan and bake for 20 to 25 minutes.
Cool and unmold.