When a good friend returned from her semester abroad in Australia our junior year of college, she brought with her something that would forever change our lives: Arnott's Tim Tam biscuits. They seemed simple enough in concept--a chocolate sandwich cookie, filled with chocolate cream, and enrobed in more chocolate--but there was something about the lightness of the cookie, the fluffiness of the cream, and the quality of the chocolate that made them out-of-this-
