For this recipe, as an alternative to dark chocolate, you can use milk or white chocolate, whatever you prefer. In addition, to cool more quickly you can refrigerate them for at least 3 hours.

The hazelnut is particularly rich in vitamin E, and also contains substances that prevent cardiovascular disease. The hazelnut tree, during the time of ancient Rome, was a gift thought to bring happiness; whilst in France, the tree was given to newlyweds to bring fertility.