Insalata di Rucola e Tartufo

Difficult one, this one – expensive too. What sort of truffle? In Umbria during summer there is a relatively abundant truffle known to its friends as Tuber aestivum or summer truffle. It is also comparatively inexpensive over there, about £100 a kilo or £2–3 a portion. It freezes well and is normally served raw, grated directly on to food straight from the freezer. Buy some if you get a chance in Italy, wrap them in tissue, put in a jar and refrigerate. Freeze individually, clingfilm