Uykuluk
Uykuluk is the Turkish word for "sweetbread". In Turkey, Uykuluk specifically of lamb is made into a Kebab, however, it needs an acquired taste to be able to enjoy Uykuluk. It is said that Uykuluk is Turkey is highly addictive.
Uykuluk is also used for making Kokoreç. Uykuluk are the sweetbreads around which the intestines are wrapped. Some vendors just use fat to wrap Kokoreç , but Uykuluk is important for real Kokoreç.