Vanilla Kifli Cookies (Vaníliás Kifli)

Ingredients

• 2 cups all-purpose flour
• 1 cup butter, softened
• 1/2 cup ground walnuts (or almonds)
• 1/4 cup powdered sugar
• 1 tsp vanilla extract
• 1 pinch salt

Coating:

• 1 cup powdered sugar
• 1–2 tsp vanilla sugar (or extra vanilla extract)