In medium bowl mix four, sugar and salt together. Add butter and vanilla. Work with hands or spoon until well blended. Add 2 cups minced pecans and blend together thoroughly.
Shape into 1 inch balls. Roll balls in the remaining 1 cup minced pecans, or red or green sugar. Put on ungreased cookie sheets. Bake at 325 degrees for F for 25 minutes or until pale brown. Remove to wire racks.