1. Add the tomatoes in boiled water and cover with a lid.
2. After 1 hour take out the tomatoes and peel the skin.
3. Grind the tomatoes along with red chilli powder, salt, tamarind in a mixer to a fine paste.
4. Heat oil in a pan, and add mustard seeds once the oil is hot.
5. When the mustard seeds start to crackle, add the ground paste and fry over a low flame.
6. When the mixture thickens and starts separating from the oil, remove from the flame.
7. Mouth-watering tomato thokku is ready to serve with hot chapatis or curd rice.

Recipe & image courtesy: www.subbuskitchen.com