Place pecans in a food processor or small chopper.
Ground until almost ground.
In a standing mixer bowl beat butter, 1/2 cup powdered sugar, and 1/3 cup granulated sugar until light and fluffy.
Mix for 5 minutes.
Add in salt, and vanilla extract and beat until combined.
Slowly add in the flour, 1/2 cup at a time.
Beat until combined.
Add the remaining dry mixture until fully incorporated.
Add in the crushed pecans and mix until incorporated.
Cover the bowl with a parchment paper loosely.
Refrigerate dough for 1 hour.
Preheat oven to 350 degrees F.
Line a large baking sheet with parchment paper.
Use a cookie scoop to scoop dough.
Roll the dough into a ball.
Place on baking sheet spaced about 1-2 inches apart.
Bake for 15-18 minutes.
Allow cookies to cool for 5 minutes.
In a large bowl, add powdered confectioners' sugar, and crushed pecans, stir to combine.
Place the cookie in the powder sugar bowl and coat evenly.
Repeat until all cookies are coated.