1. Chop the tomatoes into half and cook them on stove top with very little water.
2. Just a few teaspoons of water would also be enough.
3. Cook for about 7-8 mins or until the skin of tomatoes peel off.
4. Switch off the stove; remove the skin and let cool for sometime.
5. Meanwhile, grind coconut, cilantro, green chilies, jeera and hing to a smooth paste.
6. Add as little water as possible.
7. Add the cooked and cooled tomatoes to the masala paste and blend well.
8. Transfer the mixture to a separate vessel and boil on stovetop for a few minutes.
9. Add salt , sugar as required and mix well.
10. Switch off the stove; add the beaten curds and mix well.

Note:
Add curds ONLY after you switch off the stove. DO NOT boil after adding curds.Add water to get the desired consistency.
Temper with mustard seeds, red chilies and curry leaves; Serve with hot steamed rice and enjoy!

Courtesy: http://maneadige.blogspot.com/