Pecorino
Cheese it. pecora, sheep is found everywhere with all degrees of ripeness from fresh to seasoned the latter being stronger in taste. sale of casu marzu sard. for rotten cheese is forbidden; but its production is perfectly legal and it may be found with the help of locals. as usual with this kind of product, precautions must be taken; it is highly recommended to eat it with trusted locals. goat cheese can also be found.
The traditions and habits are very strong. You will not get any pizzas in restaurants before 7PM, furthermore be aware that you will get nothing to eat in restaurants between 4PM and 7PM, besides 'panini' that is usually a cold sandwich with ham and cheese. The exception may be some tourist-oriented restaurants in tourist-oriented places.
vegetables
Many locally-produced vegetables and fruit are very tasty, as they are grown in small farms and are mostly organic; vendors along the roads are a frequent sight. Apart from the usual assortment of typical Mediterranean products such as eggplants, bell peppers, orange, grapes, etc you will also find among others wild asparagus, figs, water-melons, and nuts hazelnuts, chestnuts, walnuts, almonds. Spices such as thyme, rosemary, fennel are found in abundance in the country.
pesce azzurro
Try the mediterranean fish pesce azzurro. Look for a fish market in any small coast town and buy early in the morning, cook and eat: it's simply fantastic barbecued. The Bottarga the dried roe of tuna [Bottarga di tonno] in Carloforte or of flathead mullet [Bottarga di muggine] elsewhere is rather expensive but quite good.
