- Take the ingredients Rice,urad dal,chana dal,tuvar dal,moong dal,methi,peas,rajma,chickpeas,red chilli,hing,salt. in a large bow, wash it with water 1-2 times and soak in water for 4-5 hours. Drain the excess water and grind the ingredients in a mixer until it reaches dosa batter consistency. Transfer the batter to a container.Add salt and keep aside overnight for fermentation for 2-3 hours. In the morning , mix the batter well , add hing to it. Heat a skillet.Take a laddle full of the batter and spread uniformly thin dosas, drizzle with little oil/ ghee.Cover the lid for approx 15 sec.Remove the lid and cook over medium flame till it is crisp and golden brown in color all around. Plain crispy Adai Dosa ready.