Shortbread
["1 lb. butter", "1/2 box 4x or 10x confectioners sugar", "5 1/2 c. flour", "2 Tbsp. rice flour"]
["Cream the butter and confectioners sugar.", "Add the flour about 2 cups at a time, mixing well.", "Knead the mixture until all flour is mixed completely.", "Place batter in a 3/4-inch deep pan and pat it out so it is 3/4 inch high.", "Cut into 1-inch squares.", "Bake at 350\u00b0 for about 20 minutes or until golden brown."]
["butter", "flour", "rice flour"]