Mexican Wedding Cookies
["1/2 lb. butter", "1/4 c. sugar", "2 c. flour", "1 tsp. vanilla", "1/2 c. nuts"]
["Blend butter and sugar.", "Add remaining ingredients and chill. Roll into small balls.", "Bake at 300\u00b0 until done.", "Roll in powdered sugar."]
["butter", "sugar", "flour", "vanilla", "nuts"]