Scotch Shortbread(Missionary)  
["4 oz. sieved plain flour", "2 oz. castor sugar", "4 oz. butter", "2 oz. rice flour or ground rice"]
["Combine flour and sugar in a mixing bowl.", "Work in butter until the dough is the consistency of short crust.", "Sprinkle board with rice flour.", "Turn dough onto a board and knead until smooth.", "Cut into portions and shape into rounds.", "This amount will make 4 small rounds.", "Place on grease-proof paper in a baking tin.", "Prick with a fork.", "Put in oven at 350\u00b0.", "When the cakes begin to color (from 20 to 30 minutes), lower the heat.", "Allow to cool in the tin."]
["flour", "castor sugar", "butter", "rice flour"]