- firstly, in a pan take 1 tsp cumin, 1 tsp coriander seeds, ½ tsp pepper and 3 dried red chilli. 
- dry roast on low flame until it turns aromatic. 
- cool completely, and transfer to the mixi. 
- add 3 clove garlic, 1 inch ginger, 2 tbsp coriander and few curry leaves. 
- blend to a coarse paste without adding any water. keep aside. 
- in a large kadai heat 2 tbsp oil and splutter 1 tsp mustard, ½ tsp cumin, pinch hing, 1 dried red chilli and few curry leaves. 
- add 1 tomato, 1 cup tamarind extract, ½ tsp turmeric and 1 tsp salt. 
- mix well, cover and boil for 10 minutes making sure everything is well cooked. 
- mash the tomatoes to smooth texture. 
- add 3 cup of water and mix well adjusting consistency as required. 
- get it to a rolling boil for 2 minutes. 
- add in the prepared masala paste and mix well. 
- boil for 2 minutes making sure all flavours are absorbed well. 
- finally, add 2 tbsp coriander and enjoy tamarind rasam recipe.