Casa Forcello Mostarda Mantovana di Pere (Pear)New size, label, and price for this favorite! Mostarda di Mantova, in the style of Mantova, is most often crafted from a single type of fruit or vegetable, and the flavors may range from spicy to sweet. These condiments are crafted in accordance with tradition, and are produced by candying fruits and adding concentrated mustard essence to the juice. Casa Forcello produces mostarde in small batches using seasonally available fruit from local growers.