Add the egg: Add the egg and start mixing the dough with a spoon.
Flavour: The dough should be slightly sticky. Flavour with vanilla essence.
Form the balls: Wet your hands with a little water and start forming balls of dough (about 15 pieces).
Pass in the sugar: Pass the balls in the remaining granulated sugar.
Dip in the icing sugar: Then dip them in the icing sugar, removing the excess.
Baking: Arrange the cookies on a baking tray lined with baking paper and bake in a preheated oven at 180 °C for about 15 minutes.
Cool and serve: Remove the walnut cookies from the oven and let them cool. Enjoy with a hot drink.