– Heat oil in a pan and add the mustard seeds, cumin seeds and urad dal / ullutham paruppu. Let the seeds crackle. – Once the seasonings are fried, add the chopped onions. Let the onions cook until translucent.
– Next add the grated ginger and green chilies. If you are not using ginger or chilies, skip this step – Now add the chopped tomatoes and mix well.
– Add all the spice powders - turmeric powder, red chili powder and dhania powder / coriander powder along with salt. Mix well. – Add the tamarind extract and let the gotsu come to a boil. Simmer and let it cook for about 5 - 7 minutes or until the tomatoes are cooked.
– Add the jaggery just before turning off the heat and mix well. – Serve hot with ven pongal.