Kollu Rasam, or Horse Gram Rasam, is a traditional rasam that my mom often prepared at home whenever someone had a cough or cold. We would have it warm with white rice or sometimes drink it by itself like a soup.
This comforting rasam is made with the flavorful cooking liquid from horse gram, tamarind, tomato, pepper, cumin, garlic, and rasam powder. While it is not a guaranteed treatment for a cold, a warm and peppery rasam can certainly be comforting when you are feeling under the weather.
Kollu Rasam / Horse Gram Rasam
Recipe Details
Rasam / Soup
Tamil Nadu / South Indian
Sashi
20 minutes
10 minutes
30 minutes
2
Ingredients
Main Ingredients
- Kollu / Horse gram – 1/2 cup
- Tomato – 1
- Turmeric powder – 1/2 tsp
- Water – 2 cups, for pressure cooking
- Oil – 1 1/2 tsp, divided
To Grind
- Garlic – 3 cloves
- Cumin seeds – 1 tsp
- Small onions / Shallots – 2
- Curry leaves – 1 sprig
- Dried red chili – 1
- Black peppercorns – 10
For the Rasam
- Tamarind – 1-inch piece
- Water – as needed to prepare 1 cup tamarind extract
- Mustard seeds – 1/2 tsp
- Asafoetida / Hing – a pinch
- Green chilies – 2, slit
- Curry leaves – 1 sprig
- Rasam powder – 1 tsp
- Salt – to taste
- Coriander leaves – from about 3 stalks, chopped
Preparation
- Add the horse gram, tomato, turmeric powder, 1/2 teaspoon oil, and 2 cups water to a pressure cooker.
- Pressure cook for about 2 whistles, then reduce the heat and cook on low for about 5 minutes.
- Allow the pressure to release naturally.
- Strain and reserve the flavorful horse gram cooking liquid for the rasam.
- Keep the cooked horse gram aside for another preparation, such as chutney.
- Grind the garlic, cumin seeds, small onions, curry leaves, dried red chili, and black peppercorns into a coarse paste.
- Soak the tamarind in warm water, squeeze well, and strain to prepare about 1 cup tamarind extract.
- Chop the coriander leaves and slit the green chilies.
Cooking Instructions
- Heat the remaining 1 teaspoon oil in a pan over medium heat.
- Add the mustard seeds and allow them to splutter.
- Add the asafoetida, green chilies, and curry leaves.
- Immediately add the coarsely ground garlic-pepper mixture.
- Fry for about 2 minutes over medium-low heat, until the raw aroma of the garlic and onions disappears.
- Add the rasam powder and stir briefly.
- Add the reserved horse gram cooking liquid and 1 cup tamarind extract.
- Add salt to taste and mix well.
- Heat until the rasam becomes hot and just begins to boil.
- Add the chopped coriander leaves and remove from the heat.
Tips
Horse Gram Liquid: The strained liquid from cooking the horse gram forms the flavorful base of this rasam, so do not discard it.
Use the Cooked Kollu: The cooked horse gram left after straining can be used to prepare chutney or another side dish.
Pepper and Cumin: Grinding the pepper, cumin, garlic, onions, and chilies coarsely gives the rasam a fresh aroma and slightly rustic texture.
Do Not Overboil: Once all the liquids are combined, heat the rasam only until it just comes to a boil, then finish with coriander leaves.
Traditional Comfort Food: Kollu Rasam is traditionally enjoyed warm during coughs and colds in many homes. It can be comforting, but it should not be considered a substitute for medical treatment when needed.
Serving Suggestion
Serve Kollu Rasam hot with steamed white rice, or enjoy it by itself as a warm, peppery soup.
Recipe Source: My Mom’s Kitchen.






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