cook tomato by adding little water and salt

close the kadai

make a solution of tamarind using water

add the tamarind water to the cooked tomatao

add rasam mix or powder to it .

heat another pan and add oil. when it hot then add mustard and when it splutters add curry leaves ,dried red chilly and garlic and cumin seeds to it.

add the mustard mix to the kadai

stir well and add coriander leaves

our rasam is ready to serve.