Panforte, a specialty of Siena, is a traditional Italian dessert containing dried fruits, spices, and nuts. It is very dense and rich. The word "panforte" literally means "strong bread" which refers to the spicy flavor.
Panforte has been made since at least 1205. According to historic documents, in the early 1200s, residents of the monestary of Montecellesi (today Montecelso) were required to bring the nuns the panaforte as a form of taxes. Panaforte's success soon crossed the boundaries of Siena and it became a staple at feasts of rich noble men throughout Italy.
Epicurious has a recipe for Panforte here.