Preheat oven to 400 degrees Fahrenheit.

Cream together softened butter, 1/2 cup powdered sugar, and vanilla extract in a large bowl until smooth.

Gradually mix in flour, chopped pecans, and salt until a cohesive dough forms.

Shape the dough into 1-inch balls and place them 1 inch apart on an ungreased baking sheet.

Bake for 10 to 12 minutes until set but not browned.

Remove cookies from the oven and immediately roll the warm cookies in the additional powdered sugar.

Place the cookies on a wire rack to cool completely.

Once fully cooled, roll the cookies in powdered sugar a second time for a thick white coating.