Scotch Shortbread
["1 c. butter", "1/2 c. sugar", "3 1/2 c. sifted flour"]
["Cream butter until soft.", "Gradually add sugar until fluffy. Gradually mix in flour.", "Mixture will be crumbly.", "Press mixture into two 9-inch glass pie pans.", "Score into wedges and pierce with fork.", "Bake at 300\u00b0 for 30 minutes.", "Cool slightly.", "Cut wedges.", "Cool on rack.", "Makes 16 wedges."]
["butter", "sugar", "flour"]