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Rasamரசம்

⏱ Prep 15m🍳 Cook 20m🍽 Serves 4🌿 Vegan

Video: HomeCookingShow (YouTube)

Rasam is a thin, tangy South Indian soup made with tamarind, tomato, and a fragrant spice powder — it sits at the heart of a Tamil meal, served over rice or sipped straight from a tumbler when you're under the weather. Every family in Tamil Nadu has their own small variation, but the backbone is always that sharp, peppery broth with a mustard-and-curry-leaf tadka. It is comforting in the way only something deeply familiar can be.

📍 Make it in Plano

This recipe is the same everywhere — but where you buy the ingredients and eat the dish is local to you.

Finding Desi spots near Plano…

Ingredients

🌍 Cooking abroad? Substitutions
  • Rasam powder (rasam podi) is the trickiest item to find abroad. Indian grocery stores in most Western cities stock brands like MTR or Aachi — either works well for this recipe. Alternatively, you can make a quick substitute by mixing ½ tsp ground coriander, ¼ tsp ground cumin, ¼ tsp black pepper powder, and a small pinch of dried chilli powder.
  • Fresh curry leaves are sold in the refrigerated herb section of most South Asian or Sri Lankan grocery stores. In a pinch, dried curry leaves can be used — crush them between your palms before adding to release more flavour — but fresh makes a noticeable difference to the aroma of the tadka.
  • Solid tamarind block (the compressed dark brown kind) is the standard and gives the most authentic flavour. If you can only find tamarind paste or concentrate, use about 1 teaspoon dissolved in ¾ cup water, but reduce it slightly as concentrates can be sharper and saltier than raw tamarind pulp.

Method

  1. 1Soak the tamarind in 1 cup of warm water for 10 minutes. Squeeze it well with your fingers, then strain the pulp through a sieve to get a smooth, seedless tamarind water. Discard the fibrous solids and set the liquid aside.
  2. 2Roughly chop 2 of the tomatoes and blend or mash them to a coarse purée — no need to be perfectly smooth. Slice the third tomato into small chunks; this gives the rasam a little texture when it's done.
  3. 3Pour the tamarind water into a medium saucepan and place it over medium heat. Add the tomato purée, tomato chunks, turmeric, crushed black pepper, the ½ tsp cumin seeds, crushed garlic, and salt. Stir everything together and let it come to a gentle boil.
  4. 4Once it starts boiling, reduce the heat and add the rasam powder. Stir well, then let it simmer uncovered for 8–10 minutes until the raw smell of tamarind cooks off and the broth deepens in colour. If it looks too thick, add another ½ cup of water — rasam should be thin and soupy, not heavy.
  5. 5Taste at this point and adjust salt or rasam powder. You should get a clear hit of sour, a gentle heat from the pepper, and the earthy warmth of the spice powder all at once.
  6. 6Make the tempering: heat the ghee in a small tadka pan over medium-high heat. When it shimmers, add the mustard seeds and wait for them to pop. Add the second measure of cumin seeds, the dried red chilli broken in half, and the curry leaves — they will crackle and spit, so keep a lid nearby. Add the pinch of asafoetida and immediately pour the entire tempering over the simmering rasam.
  7. 7Stir in the chopped coriander leaves, give the rasam one last taste, and switch off the heat. Serve hot over plain cooked rice with a spoon of ghee on top, or ladle it into a cup to drink on its own.

A Desi.Net original recipe · part of our Indian Cuisine library. Confirm details and adjust to taste.

Rasam Recipe — Tamil (ரசம்)