Mostarda di Frutta Mantovana

Fruit preserved in a mustard-flavoured syrup, mostarda di frutta, is a speciality of both Cremona and Mantua, and a classic accompaniment to Bollito Misto. This version, containing sliced quince, is from Mantua; in Cremona it’s more commonly made with whole fruits. Instead of quince you can use this base recipe to preserve many different fruits, including pear, apple, rockmelon and figs – and even chestnuts. You’ll need to start this recipe three da