Citations:biscuit

uses of the "thin baked cake (cookie)" sense in works that appear to use American English

 * 2004, The Oxford Encyclopedia of Food and Drink in America, page 320:
 * Originally introduced as the “Oreo biscuit, the Oreo cookie consists of two rounds of chocolate sandwiched together
 * 2005, Robert Strybel, Maria Strybel, Polish Heritage Cookery (expanded edition; published by Hippocrene Books of New York; ISBN 0781811244, page 880:
 * Rose-flavored jams are ideal for filling Traditional favorites include pierniczki (chocolate-covered gingerbread hearts) and a fruit-filled, chocolate-covered biscuit called delicje (delicacies)
 * 2007, Official Gazette of the United States Patent and Trademark Office, page 769:
 * OWNER OF U.S. REG. NO. 2,378,820.
 * FOR CHOCOLATES; CHOCOLATES WITH OR WITHOUT FILLING OR TOPPING; WAFERS AND BISCUITS; CHOCOLATE WAFERS AND BARS; CHOCOLATE COVERED BISCUITS;