Boiled and mashed potatoes get a flavor of mustard oil, dry and green chillies, lightly fried onions and some cumin. Eaten with khichdi  in the state of Bihar, it’s a quick and comforting dish. Every Bihari family has their own variation of chokha  , sometimes more than one as well – for its an often made dish.  Featured here is a chokha made with potatoes. The other two traditional kinds of choka  are  tomato and eggplant and are served and made differently. That’s a story for another day. This dish can be served as a side with plain Dal and …