Hungarian Walnut Crescent Cookies (Diós Kifli)

Prep Time: 30 minutes
Chill Time: 1 hour
Bake Time: 20 minutes
Total Time: 1 hour 50 minutes
Servings: 24 cookies

Ingredients

For the Dough

• 500 g (4 cups) all-purpose flour
• 250 g (1 cup) unsalted butter, cold and cubed
• 200 g (¾ cup) sour cream
• 1 egg yolk
• 1 tsp vanilla extract
• ¼ tsp salt

For the Walnut Filling

• 250 g (2½ cups) finely ground walnuts
• 120 g (⅔ cup) granulated sugar
• 1 tsp vanilla extract
• Zest of 1 lemon
• 60 ml (¼ cup) warm milk

For Finishing

• Powdered sugar, for coating