Tomato 2 big size
Onion 1 finely chopped
Ginger 1 inch finely crushed
Garlic 4 pods finely crushed
Both ginger and garlic optional
Mustard seeds 1/4 spn
Urad dhal 1/4 spn
Jeera 1/2 spn
Curry leaves few
Tamarind juice 1/4 cup optional or can be reduced
Chilli powder 1/2 spn
Pepper 1/4 spn
Turmeric 1/4 spn
Salt as required
Hing 1 pinch
Corriander leaves for garnishing

Heat a spn of oil in a kadai
Add mustard seeds
Once it splutter add urad dhal
Followed by hing
Add jeera curry leaves one by one
Add onion fry until golden brown
Add tomato fry until mushy
Add chilli powder turmeric powder and salt
Add the tamarind juice as well
Add water as per the tanginess of the rasam
Add pepper
Check the salt
Cover and cook in medium flame
Once it started bubbling switch off the stove
Garnish with coriander leaves
Can add rasam powder for flavor but it’s optional…
Serve hot….