Pecan Cookies(Russian Tea Cakes)  
["1/2 lb. butter or oleo", "4 Tbsp. sugar", "2 c. sifted flour", "3/4 c. chopped walnuts or pecans", "1 tsp. vanilla"]
["Cream the butter, sugar and vanilla.", "Add flour, then add the nuts.", "Roll into balls about the size of walnuts.", "Put on ungreased cookie sheets.", "Bake 1 hour in slow oven (250\u00b0).", "Roll in powdered sugar while still warm."]
["butter", "sugar", "flour", "walnuts", "vanilla"]