Russian Tea Cakes

1 cup butter 1/2 cup sifted powdered sugar 1 tsp real vanilla 3/4 cup pecans dash of salt 2 1/4 cups sifted flour Cream together butter & sugar. Add vanilla, nuts & flour. Chill 1 hour. Shape into small balls 3/4 to 1 inch in size. Bake on ungreased cookie sheet in 350-degree oven for 25-30 minutes. While still warm roll in powdered sugar. Twice.