Step 1

Preheat the oven to 350F and line baking sheet with parchment paper. Into a stand mixer bowl with paddle attachment, add butter, sugar and salt. Beat until creamy.

Step 2

Next, add egg and vanilla extract, beat for about 1 minute or until smooth.

Step 3

Now, add flour and continue beating for 1 more minute or until the dough is soft.

Step 4

Using a small cookie scoop, scoop the dough and place it into your hands, roll it into a ball then place it on a baking sheet, press a thumbprint into the cookie ball to create a little hole for the filling.

Step 5

Bake for 13-14 minutes or until the bottoms are light golden color. Let cool.

Step 6

In a mixing bowl, mix dulce de leche with roasted hazelnuts then using a small spoon, add the filling to each cookie. Garnish with finely chopped hazelnuts. Enjoy!