# What You'll Need:
→ Dry Ingredients
01 - 1 2/3 cups all-purpose flour
02 - 3/4 cup ground hazelnuts
03 - 1/2 teaspoon baking powder
04 - 1/4 teaspoon fine sea salt
→ Wet Ingredients
05 - 2/3 cup unsalted butter, softened
06 - 1/2 cup granulated sugar
07 - 1 teaspoon vanilla extract
08 - 1 large egg yolk
→ Optional Topping
09 - 1/4 cup chopped hazelnuts
10 - 2 tablespoons coarse sugar
# Directions:
01 - Preheat oven to 350°F (175°C). Line a baking sheet with parchment paper.
02 - Whisk together all-purpose flour, ground hazelnuts, baking powder, and fine sea salt in a medium bowl.
03 - In a large bowl, beat unsalted butter and granulated sugar using an electric mixer or whisk until the mixture is light and creamy.
04 - Mix in vanilla extract and egg yolk until thoroughly incorporated.
05 - Gradually stir the dry ingredients into the butter mixture until a soft dough forms.
06 - Scoop tablespoon-sized pieces of dough and roll into balls. Position on prepared baking sheet, leaving about 2 inches between each.
07 - Gently flatten each dough ball with the back of a spoon. If desired, sprinkle with chopped hazelnuts and coarse sugar.
08 - Bake for 12 to 14 minutes, until the edges of the cookies are lightly golden.
09 - Let cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack until fully cooled.
