Preheat oven to 325.

Chop nuts in food processor to finely chop.

Cream butter, salt and 1/2 cup powdered sugar together until fluffy.

Add in nuts and vanilla and beat until blended.

Slowly add in flour, mixing well.

Shape into 1/2-3/4" balls.

Place on ungreased cookie sheet.

Bake for 20 minutes.

Allow to cool before removing from cookie sheet.

Fill a zippered bag with remaining powdered sugar.

Gently shake each cookie in bag so it is well coated.