Apricot Buttons
["1 c. butter", "2/3 c. sugar", "2 egg yolks (reserve egg whites)", "1 tsp. vanilla", "2 c. flour", "1 tsp. salt", "chopped walnuts", "apricot jam"]
["Blend together the first 6 ingredients.", "Shape the dough into walnut size balls.", "Dip in reserved egg whites.", "Roll in chopped walnuts.", "Place on cookie tray; press thumb in center.", "Bake at 325\u00b0.", "When cool, fill centers with apricot jam."]
["butter", "sugar", "egg yolks", "vanilla", "flour", "salt", "walnuts", "apricot"]