Russian Nut Balls(Christmas Cookie)  
["1 c. butter or margarine", "1/2 c. sugar", "2 1/4 c. flour", "1 tsp. vanilla", "pinch of salt", "1 c. finely chopped pecans or walnuts"]
["Combine in order. Form balls 1-inch in diameter.", "Place on greased cookie sheet. Bake at 400\u00b0 for 8 minutes; no longer than 10 minutes. Cool and roll in powdered sugar."]
["butter", "sugar", "flour", "vanilla", "salt", "pecans"]