New Delhi, Feb. 27 -- During Losar, or the Tibetan lunar new year in February, the Kinnaura tribe of Himachal Pradesh prepares tingmo, a fluffy steamed bread that is twisted to resemble a floral bun. While it is eaten the year-round, during the new year it is offered to the gods, says YouTuber Panma Pharka.

In Andhra Pradesh, chikkudu vada is a deep-fried broad bean fritter and is key to Makar Sankranti celebrations of the Koya tribe. "The beans are plucked only after the rituals are performed," says Eluru-based Sodem Kranthikiran Dora, who works with women SHGs (self-help groups) to promote indigenous recipes. Last month, Pharka and Dora travelled to Mumbai to introduce diners to the ceremonial foods of their communities at a pop-up hos...