Mexican Wedding Rings
["1 c. butter", "1/2 c. powdered sugar", "2 c. flour", "1/2 c. chopped nuts", "1/2 tsp. vanilla"]
["Cream butter and sugar together.", "Add flour, nuts and vanilla. Chill; form into small balls.", "Bake on a cookie sheet at 350\u00b0 for 20 minutes.", "Roll in powdered sugar while warm."]
["butter", "powdered sugar", "flour", "nuts", "vanilla"]