Chop the onions into rounds and the tomatoes finely.
o In a bowl, add the besan, turmeric powder,salt, and red chili powder.
Add water and mix it nicely without any lumps.
Using a hand whisk will give better results.
Heat a pan and pour oil into it.
Add mustard seeds, and when they splutter, add the green chili and onions.
Sauté till it turns pink.
Add the tomatoes and saute well till the tomatoes become mushy.
Now add the besan mixture to it.
Keep the flame very low, it will form lumps.
Stir it nicely until it gets cooked.
The besan will get cooked in 3-5 mins.
Add curry leaves and serve hot with idlis/dosas.