Butter Balls
["1 c. soft butter", "1/2 c. sifted confectioners sugar", "1 tsp. vanilla", "2 1/4 c. sifted flour", "1/4 tsp. salt", "3/4 c. chopped walnuts"]
["Preheat oven to 400\u00b0.", "Mix together the butter, sugar and vanilla.", "Sift in flour and salt.", "Mix in chopped walnuts.", "Chill dough 1 to 2 hours."]
["butter", "confectioners sugar", "vanilla", "flour", "salt", "walnuts"]