Gujarat is a treasure trove for all the foodies and when it comes to delightful winter dishes that offer perfect taste and texture during the chilly months of the year, the only thing that pops up into the head is ‘Undhiyu.’ Strap in and learn some facts about why an important veggie purple yam is added to the delicacy and what chef Nishit Dalal has to say about it. Read to know more.