For preparing Thakkali Curry, first place tomatoes in a vessel along with turmeric powder, chilly powder, salt and required water.
Boil and cook on a low flame for about 3 - 4 mins or until the tomatoes get mashed well.
Meanwhile, grind together coconut and small onions along with 1/2 cup of water.
Add it to the tomato gravy.
Allow the tomato curry to boil for 2 mins.
Heat oil in a small pan.
Splutter mustard seeds.
Add curry leaves and saute for a while.
Pour it into the tomato gravy and mix well.
Tomato Curry is ready. The tanginess and spiciness of the dish can be increased as per individual tastes.
:- Serve Tomato Curry with chapathy or rice. Enjoy the dish.