Challa Attu / Sponge Dosa

Ingredients:-

Rice -1 cup (any rice )
Poha-1/4 cup
Fenugreek Seeds / Methi-1 tsp
Sour Yogurt/ Butter milk-2 cups
Chopped onions -1
Chopped green chillis - 2
Salt to taste
Oil-for spray
Cooking Soda-1/2 tsp

Method:-

1. Wash and soak the rice,Soak the poha and methi seeds together in yogurt.It should soak atleast 6hrs.
2. Grind them into batter without adding much water.
3. The batter should be comparatively thicker then the usual dosa batter.Add Cooking soda to it.
4. Keep it for 12 hours or overnight for fermentation.
5. Heat tawa in medium heat,pour a batter.Do not spread,just let the batter spread on its own naturally. Spread chopped onions and green chillis on it.Pour a oil  drops along the edges of the dosa.
6. Cover it with lid on medium heat.Then when the upper side gets cooked ,flip  it to the other side and cook.
7. The dosa will rise up to half an inch of thickness in the pan,yet soft and spongy.Take out of the tawa.

Note: Dosa should form small holes ,then only it is in perfect 
Now serve it hot with chutney.