Dugh is made by mixing water and what else ?
Dugh - e Sar Bisheh ( , also Romanized as Dūgh - e Sar Bīsheh and Dūgh - e Sar - e Bīsheh ; also known as Dūgh and Doogh ) is a village in Momenabad Rural District , in the Central District of Sarbisheh County , South Khorasan Province , Iran .