- In a mixing bowl add buckwheat flour, yoghurt, salt and cumin seeds. Stir until it starts combining. Add 3 cups of water a cup at a time and make a smooth yet thick batter. Let the batter rest for 30 minutes on kitchen counter covered with a lid. Once the batter is rested stir it a couple of times. Heat a tawa or round pan and smear little oil onto of it. Add a ladleful of batter and spread it in the circular motion as long as you want. Drizzle more olive oil on sides of dosa. Cook until golden and crispy. Remove and serve hot.with coconut chutney