Scotch Shortbread
["2 1/2 c. Swans Down flour", "3/4 c. butter", "1/2 c. powdered sugar"]
["Cream butter.", "Add sugar; work in flour until well mixed. Press into well-greased 8 or 9-inch cake pan.", "Prick with fork. Bake at 350\u00b0 for 45 minutes.", "Cut into squares; remove from pan when slightly cooled."]
["Swans", "butter", "powdered sugar"]