Khichdi or Pongal is one of the healthiest meal one can have. After all the festivities, when sick or when you want to go easy on your tummy, then Khichdi or Pongal is the best dish. Pongal or Khichdi is simple to make and easy to digest. There is not much difference in the recipe of Pongal and Khichdi. The basic ingredients are the same.