← BlogJune 29, 2026

How to Make the Perfect Comforting Rasam Soup

Indian · Easy · 30 min · 4 servings

vegetarianvegangluten-freedairy-free
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Comforting Rasam Soup

Rasam is a warming thin South Indian soup that makes a wonderfully soothing kid friendly recipe especially during cold weather or when children are feeling under the weather. This simplified kid friendly recipe delivers all the healing comfort of traditional rasam without complex preparation.

Why this recipe works

This Comforting Rasam Soup recipe has been crafted to deliver restaurant-quality results in your home kitchen. At just 30 minutes from start to finish, it fits perfectly into a busy schedule without sacrificing flavor. Each serving comes in at 140 calories with 7g of protein, making it a balanced choice for any meal.

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What you will need

This recipe uses 7 simple ingredients that you can find at any grocery store:

  • 3 medium ripe tomatoes chopped
  • 0.5 cup red lentils rinsed
  • 1 tsp mild rasam powder
  • 1 tsp turmeric powder
  • 1 tsp salt
  • 1 tbsp vegetable oil
  • 4 cups water

Step by step instructions

Step 1: Cook Lentils and Tomatoes

Add red lentils, chopped tomatoes, turmeric, and water to a medium pot. Bring to a boil over high heat. Reduce to medium heat and cook for 15 minutes until lentils are completely soft and falling apart.

Step 2: Blend and Season

Use a spoon to mash everything together or blend briefly with an immersion blender for a smoother consistency kids often prefer. Add rasam powder and salt. Stir well to combine all flavors.

Step 3: Simmer and Develop Flavor

Return the pot to low heat and simmer for 5 more minutes. The rasam should be thin and slightly tangy. Taste and adjust salt if needed. The consistency should be thinner than regular soup.

Step 4: Finish and Serve

Heat oil in a small pan until very hot and pour it directly into the rasam for a traditional finish that adds incredible aroma. Serve in bowls or cups as a soup or alongside steamed rice for a complete meal.

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Easy substitutions

Missing an ingredient? Here are some swaps that work perfectly:

  • rasam powder → a mix of cumin powder and black pepper for a simpler seasoning
  • fresh tomatoes → canned diced tomatoes for convenience

Common mistakes to avoid

Watch out for these pitfalls that can affect your results:

  • Making rasam too thick which changes its character and makes it heavy
  • Adding rasam powder before the lentils are cooked which can make it bitter

Nutrition facts

Per serving: 140 calories, 7g protein, 20g carbs, 4g fat, 4g fiber.

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