Wikipedia
Buknu
Buknu is a powdered mixture of several spices popular in parts of Uttar Pradesh, India.
Some people say that its origin is in Lucknow. Buknu is claimed to have medicinal values by Ayurveda and is thought to be a very ancient recipe.
The ingredients are: Salt, Black Salt, Sonth (dried ginger powder), Haldi (Turmeric), Jeera (Cumin seeds), Harra Badi, Harra Choti, Baheda, Marodfali, Baibirnag, Peepar, Hing (asafoetida), Amla, Oil.
Buknu is eaten mainly with Kadhi-Rice, Daal-Chawal, Roti-Ghee, and puri.