Black kashk or Qarehqurut (Persian: قره‌قوروت یا سیاه‌کشک), is a

milk Milk is a white liquid food produced by the mammary glands of mammals. It is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digestion, digest solid food. Immune factors and immune ...

y product which is produced in

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...

Tajikistan Tajikistan (, ; tg, Тоҷикистон, Tojikiston; russian: Таджикистан, Tadzhikistan), officially the Republic of Tajikistan ( tg, Ҷумҳурии Тоҷикистон, Jumhurii Tojikiston), is a landlocked country in Centr ...

and some of the

central asia Central Asia, also known as Middle Asia, is a subregion, region of Asia that stretches from the Caspian Sea in the west to western China and Mongolia in the east, and from Afghanistan and Iran in the south to Russia in the north. It includes t ...

n countries. it's usually in color of blacks, white, brown or yellow and tastes sour, another common name for it, is Qara (Persian: قارا)

Preparation

Black kashk is fabricated from the liquid yoghurt. After removing the

fat In nutrition science, nutrition, biology, and chemistry, fat usually means any ester of fatty acids, or a mixture of such chemical compound, compounds, most commonly those that occur in living beings or in food. The term often refers spec ...

of the yoghurt, the remaining liquid is boiled to be concentrated. In the next step, the produced liquid will elutriate. The concentrated solid material is called Kashk, which can be used in several Iranian dishes such as

āsh Ash ( fa, آش), sometimes transliterated as aush or āsh, is a variety of thick noodle soups, which are usually served hot and is part of Iranian cuisine and Afghan cuisine. It is also found in Azerbaijani, Turkish, Pakistani, and Caucasia ...

. The liquid left from the concentrating process will be boiled and dried to produce black Kashk.

References

Persian Wikipedia
Fermented dairy products