Bottarga

Bottarga is salted, cured fish roe pouch, typically of the grey mullet or the bluefin tuna (bottarga di tonno). The best-known version is produced around the Mediterranean; similar foods are the Japanese karasumi and Taiwanese wuyutsu, which is softer, and Korean eoran, from mullet or freshwater drum. It has many names and is prepared in various ways. Due to its scarcity and involved preparation it is expensive and regarded as a delicacy.

Names and etymology
The English name, bottarga, was borrowed from Italian. The Italian form is thought to have been introduced from the Arabic 'buṭarḫah' (بطارخة), plural form 'buṭariḫ' (بطارخ), itself from Byzantine Greek 'ᾠοτάριχον' ('oiotárikhon'), a combination of the words 'ᾠόν' ('egg') and 'τάριχον' ('pickled').

The Italian form can be dated to c. 1500, as the Greek form of the word, when transliterated into Latin as 'ova tarycha', occurs in Bartolomeo Platina's De Honesta Voluptate (c.  1474), the earliest printed cookbook. In an Italian manuscript that "closely parallels" Platina's cookbook and dated to shortly after its publication, 'botarghe' is attested in the corresponding passage.

The first mention of the Greek form ('oiotárikhon') occurs in the 11th century, in the writings of Simeon Seth, who denounced the food as something to be "avoided totally", although a similar phrase may have been in use since antiquity in the same denotation.

It has been suggested that the Coptic outarakhon may be an intermediate form between the Greek and Arabic, whereas examination of dialectical variants of the Greek 'ᾠόν' 'egg' include the Pontic Greek 'ὠβόν' (traditionally where the mullets are caught), and 'ὀβό' or 'βό' in parts of Asia Minor. The modern Greek name comes from the Byzantine Greek, substituting the modern word 'αυγό' for the ancient word 'ᾠóν'.

History
Bottarga production is first documented in the Nile Delta in the 10th century BCE.

In the 15th century, Martino da Como describes the production of bottarga by salting then smoking to dry it.

Preparation
Bottarga is made chiefly from the roe pouch of grey mullet. Sometimes it is prepared from Atlantic bluefin tuna (bottarga di tonno rosso) or yellowfin tuna. It is massaged by hand to eliminate air pockets, then dried and cured in sea salt for a few weeks. The result is a hard, dry slab. Formerly, it was generally coated in beeswax to preserve it, as it still is in Greece and Egypt. The curing time may vary depending on the producer and the desired texture as well as the preference of the consumers, which varies by country.

Bottarga usually is sliced thinly or grated when it is served.

Croatia
In Croatia, the delicacy is known as butarga or butarda. It is usually fried before serving.

Tunisia
Orange and molded in wax or vacuum sealed, Tunisian bottarga is made from mullet eggs and is known as a sought-after product. Initially a feature of the Judeo-Tunisian cuisine, it was introduced in Tunisia by Jews from Constantinople during Ottoman rule, as early as the 16th century.

Egypt
Bottarga is produced in the Port Said area. It is commonly pronounced Batarekh all over Egypt.

France
The usual French name is boutargue. In Provence, it is called poutargue and is produced in the city of Martigues.

Greece
In Greece, it is called avgotaraxo or avgotaracho (αβγοτάραχο-αυγοτάραχο) and is produced primarily from the flathead mullet caught in Greek lagoons. The whole mature ovaries are removed from the fish, washed with water, salted with natural sea salt, dried under the sun, and sealed in melted beeswax.

Avgotaracho Messolonghiou, made from fish caught in the Messolonghi-Etoliko Lagoons, is a European and Greek protected designation of origin, one of the few seafood products with a PDO.

Italy
In Italy, it is made from bluefin tuna in Sicily, and from flathead mullet in Sardinia, where it is called Sardinian butàriga.

Its culinary properties may be compared to those of dry anchovies, although it is much more expensive. Often, it is served with olive oil or lemon juice as an appetizer accompanied by bread or crostini. It is also used in pasta dishes.

Bottarga is categorized as a traditional food product (prodotto agroalimentare tradizionale).

Mauritania
Bottarga is produced in Mauritania and Senegal.

Turkey
In Turkey, bottarga is made from grey mullet roe. It is listed in the Ark of Taste. It is produced in Dalyan, on the southwestern coast of Turkey, from the mature fish migrating from Lake Köyceğiz.

Spain
Bottarga in Spain is produced and consumed mainly in the country's southeastern region, in the Autonomous Community of Murcia and the province of Alicante. It is usually made from a variety of roes including, among others, grey mullet, tuna, bonito, or even black drum or common ling (the latter two somewhat cheaper and less valued). Much of its production is centered around the town of San Pedro del Pinatar, to the shores of the Mar Menor, where there are also salt ponds.

United States
There are several producers in Florida. The Manatee County tourist bureau states that the process of making bottarga was depicted in Ancient Egyptian murals and that documentation from the 1500s exists that the Native Americans along the western coast of Florida were consuming dried mullet roe when encountered by European explorers.

Elsewhere
There are various small producers elsewhere. For example, bottarga from Atlantic cod (Gadus morhua) is produced in northern Norway, where it is air-dried.