Soak tamarind in half cup of hot water

Grind coconut and take thick milk, and thin milk

Keep a pan, add oil, and tempering with mustard seed and cumin seed

Add with tempered mix. Add salt, let it boil for few min

Now add thick milk, and boil for 3min, and remove

Enjoy the coconut milk rasam with plain boiled rice, have with peanut chutney or any pickle