Phapar ko roti is a traditional buckwheat chapati.Mix all ingredients with 1 cup of water and knead to make a thick paste. Spread a heap of paste over a big banana leaf, covered by another banana leaf, and bake in a pan for 1 min. Transfer the partially baked dough with banana leaf inside the earthen oven in a vertical position for 3 min. Remove the banana leaf while eating. Phapar ko roti is served with Philinge ko achar or Silam ko achar.