Step 1

Using an electric mixer, beat together butter and powdered sugar until creamy.

Step 2

Add the salt and vanilla (or almond) extract, and beat until incorporated, scraping down the sides of the bowl as needed.

Step 3

Add the flour and nuts and beat on low speed until combined.

Step 4

Chill dough in the refrigerator for at least 2 hours, until easy to handle.

Step 5

Preheat oven to 350 degrees F. Line baking sheets with parchment paper.

Step 6

Roll dough into 1-inch balls and place on prepared baking sheets. Bake for 10-12 minutes, until lightly golden on the bottom.

Step 7

Let cool for 5 minutes, then roll warm cookies in powdered sugar. Let cookies cool completely and then roll in powdered sugar a second time.