Shortbread
["2 c. butter", "1 c. sugar", "4 c. plus 2 Tbsp. flour"]
["Cream butter and sugar.", "Add flour and mix well.", "Spread on a 13 x 9-inch cookie sheet.", "Prick top all over with a fork.", "Bake at 275\u00b0 for 1 1/2 hours, turn off oven.", "Remove shortbread, cut into squares and sprinkle with sugar.", "Return to oven and leave until oven cools.", "Store in airtight container.", "Will keep for weeks.", "Freezes well."]
["butter", "sugar", "flour"]