Cream together the butter and sugar until light. Add flour, pecans and vanilla. Roll dough into 1 inch balls. Place on greased baking sheet and flatten slightly. Bake at 300 degrees for 25 to 30 minutes to only a light color. Roll in additional confectioners sugar while warm. Let cool, roll again in confectioners sugar. Recipe by: Susie Mundy Posted to MC-Recipe Digest V1 #667 by "Angele and Jon Freeman" on Jul 12, 1997