Kat Saaru Recipe / Lemon Rasam Recipe / Lemon Lentil Soup Recipe

419aKat saaru / lemon rasam / lemon lentil soup is a South Indian rasam common in all South Indian homes especially in Udupi. You can prepare kat saaru in a jiffy. It is easy and also tastes delicious. During lemon season everyone prepares this rasam often as it wakes up your taste buds. Kat saaru is light lunch / dinner and the best recovery medicine for cold / fever. It goes well with hot steaming rice and pickle.


  • ¾ cup toor dal / split pigeon pea / togari bele
  • 1-2 green chili
  • ½ tomato
  • 1 inch ginger
  • ¾ tsp turmeric powder
  • 5-7 curry leaves
  • a pinch of asafoetida/hing
  • ¾ tsp mustard seeds / rai or sarson
  • ½ tsp urad dal / split skinned black gram
  • ½ tsp jeera / cumin seeds
  • ½ lemon
  • 1-2 tbsp chopped coriander leaves
  • Salt as required
  • 1 or 2 tsp oil
  • Water as required
Prep Time Cook Time Total Time Serves
5 min 25 min 30 min 4

Lets start the recipe step by step:

  1. Finely chop the tomatoes, ginger, chilli, coriander leaves and keep aside.
  2. Wash the dal till the water runs out clean.
  3. In a pressure cooker add washed dal, tomatoes, green chilli, ginger, salt, turmeric and 3 cups of water, mix well and pressure cook on a high flame for 5-6 whistles.
  4. When the pressure settles down on its own, open the lid, check if the dal is cooked or not by taking a bite or pressing a lentils.
  5. If they are not cooked completely, then pressure cook again adding some water if required for some minutes.
  6. Whisk the dal so that the dal gets mashed well.
  7. Adjust the consistency by adding water accordingly. Check the salt and add more if required.
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  8. Cook for couple of minutes on a medium flame and switch off the stove.
  9. Heat oil in a small pan. Add the mustard seeds, jeera. When they splutter, add urad dal. Fry the urad dal till it becomes brown.
  10. Then add the curry leaves, red chili and asafoetida.
  11. Fry for a minute. Immediately pour the tempering on the rasam.
  12. Squeeze the lemon and garnish with coriander leaves.
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  13. Mix it well and serve kat saaru with hot steamed rice and pickle.419a

 Click here to check other saaru / rasam recipes.

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