It is eaten with rice or alone, as a soup. In a traditional meal, it follows the sambar course and is followed by curd rice.It is helpful for digestion.Step1: How to  Prepare the Rasam Powder.  Add 1 teaspoon of pepper and 1 teaspoon and a little extra of Cumin seed into the mixie . Now add 1 redchillie and 3 nos of garlic pieces to it(No need to peel the garlic ) . Grind this to a semi powder(one single beat is enough  -Cumin seed , pepper,Garlic should be broken into small pieces - it should not become powder) Step 2: Preparing the Tamarind Juice  Soak the small lemon sized Tamarind in hot water for 5 min . Once it soaked prepare the tamarind extract with 250 ml of water  .  Step 3: Smash 2 tomatoes in hand and add this to the tamarind extract Step 4: Break the green chillie into 2 halves dont cut with knife and add this to the  tamarind extract Step 5:Add  Turmeric 1/4th of your teaspoon. Step 6: Add 3 leaf of curry leaf and Corriander leaf into the mixture Step 7: Add salt to taste  Step 8: Seasoning  Directions In the pan add  2 spoon of oil , once the oil is heated add 1 no of red chillie(break it  into pieces) Now add  mustard . once it splutters add 2 pinch of hing immediately add 3 leaf of curry leaf to it.   Pour the tamarind mixture to this .  Let the Mixture boils . Dont let it to boil for much longer time .Once u have seen the white bubbles in the mixture switch of the stove .  Finally add the Boiled and smashed  Toor dhall to Rasam.