Spritz Cookies
["1 c. butter, softened", "3 egg yolks", "1/8 tsp. salt", "3/4 c. sugar", "1 tsp. vanilla", "2 1/4 c. flour"]
["Cream butter and sugar until light and fluffy.", "Add egg yolks, vanilla and salt; beat well.", "Add flour gradually; dough will be stiff.", "Fill cookie press.", "Place cookies on an ungreased cookie sheet.", "Bake at 400\u00b0 for 8 to 10 minutes."]
["butter", "egg yolks", "salt", "sugar", "vanilla", "flour"]