Shortbread
["1 c. butter, softened (no substitutes)", "1/2 c. sifted powdered sugar", "2 c. all-purpose flour"]
["Cream butter.", "Gradually add powdered sugar.", "Beat until light and fluffy.", "Stir in flour; press into jelly roll pan.", "Prick all over with fork.", "Chill 30 minutes.", "Bake at 375\u00b0 for 5 minutes. Reduce heat to 300\u00b0 and bake 25 additional minutes.", "Cut into squares while warm.", "Sprinkle with sugar.", "Yield:", "72 cookies. These are better if stored in a tin box for several days. Cookies get sweeter with age."]
["butter", "powdered sugar", "flour"]