Preheat the oven at 175 degrees Celsius.
Place a silicon mat on a baking sheet.
Whip the egg whites and the sugar together with an electrical mixer. Add the vanilla sugar while still whipping.
Add the rest of the ingredients while whipping.
by hand roll small balls and place on the silicon mat.
Place in the middle of the oven for 15 minutes. Take them out and let them cool down before serving