Tomato Onion Thokku

Very simple recipe and easy one...goes well with rotis, dosas, curd rice. Good one for travel, lasts long.
* Add few spoons oil to non-stick tava
* Add mustard and urad
* Then add fine chopped onion, fry for few minutes and then added tomatoes. (I chopped both in food processor, so it was quick)
* After few minutes add red chilli powder and salt
* And cook for long time, till it thickens.
* Store in tight container in fridge and serve when needed!
Few more pictures..TomatoOnionThokku