Thursday, September 5, 2024

Indian Crab Rasam: Zen-Approved Healthy Nandu Soup

Pepper crab, casam and spinach mash served individual bowls,  as a complete meal.
(Updated Version)

Rasam, a Zen nutritious Indian spiced soup, is already a powerhouse on its own (EASY INSTANT RASAM RECIPE). Now, imagine adding crab claws (often called crab legs) to it - transforming it into what’s known as Indian Crab Soup or Nandu Rasam. Crab Rasam is also a Zen natural remedy for cold, flu, and congestion -  have you tried it? 

In my home, whenever I prepare crab (CRAB MASALA RECIPE) the claws or legs are reserved for Nandu Rasam. Over the years, I’ve made countless variations of crab rasam, tweaking the ingredients while preserving the essential crab claws and spices. The picture at the top showcases Kanda Nandu/Mud Crab Rasam, Indian-Style Pepper Crab, and Spinach Kadayal. Isn’t it the perfect Zen Value Indian Crab Rasam Set Lunch?

Cooking Indian Crab Rasam / Nandu Rasam / Crab Rasam
Types of Crab

You can choose between flower crab or kanda nandu/mud crab for your Nandu Rasam. Both types need a light bashing or cracking, allowing the meat to infuse into the rasam while also making it easier to eat.


Close-up view of live mud crabs in a Styrofoam box, showcasing their natural details

Close-up view of a pot of spicy Indian mud crab soup with a spoon inside, showcasing the rich, flavorful broth
Spice Mix
For the spice mix, you can either soak and pound your spices (typically black pepper and cumin seeds, with optional coriander seeds) or use ready-made spice powders like rasam powder, but I have yet to find a powder specifically designed for crab rasam.

If you prefer more heat, you can use chili flakes, curry powder, plain chili powder, or dried red chilies. Some people prefer the warmth of black pepper over chili, so you can adjust the spiciness to suit your taste.

Coriander seeds, cumin seeds, and black pepper seeds soaking in water in a small round bowl, ready for cooking




Pot of Indian crab claws rasam with aromatic spices, dried chillies, and fresh coriander leaves, perfect for a delicious meal
Aromatic Herbs
Don’t limit yourself to just curry leaves and coriander leaves. Try adding spring onion for a fresh twist for a different herbal aroma.

Making Ahead
Crab rasam can be stored in the fridge for up to two days, which only enhances the flavors as the ingredients continue to meld together, making the soup even more flavorful.

Tangy Ingredients
If you prefer a more tomato-forward rasam, use plenty of tomatoes. However, if the tanginess isn’t quite enough, you can balance it with tamarind juice or a mix of both. Another option is to add lime juice for a fresh, zesty tang.

Indian crab soup in a white bowl, rich with aromatic spices, featuring a warm, inviting blend of textures and flavors
Amount of Water
This depends entirely on your preference. You can make a thick, hearty soup, or a lighter, more runny rasam. Adjust the water to get the consistency you like.

Flavor Profile
The key to a great rasam is tasting as you go. Start with a bit less of each ingredient (especially for tanginess, spiciness, and salt) and adjust gradually. It’s all about finding the right balance, and you can always add more if needed. Feel free to experiment with ingredient combinations for different flavor variations - the essentials remain largely the same.

A swallow gray serving plate, with Indian crab soup, made with spices and curry leaves.
Ingredients
8 crab claws - lightly cracked
5 shallots - smashed
6 garlic cloves - smashed
1/2 inch ginger - smashed
1 tbsp coriander powder
1/2 tbsp cumin powder
1/2 tbsp fennel powder
½ tsp turmeric powder
2 sprigs curry leaves
2 bay leaves
1 tomato - thinly sliced
Tamarind juice - as needed
Chili flakes - as needed
Crushed black pepper - as needed
Water - as needed
Salt to taste
2 tbsp oil

Method
Heat oil in a pot.
Sauté shallots, garlic, and ginger until fragrant.
Add crab claws and stir for 2 to 3 minutes.
Mix in coriander powder, cumin powder, fennel powder, turmeric powder, curry leaves, bay leaves, and tomato.

Sautéing cracked blue crab legs with spices, and tomato in a pot over the stove.

Adding varieties of Indian spice powders, curry leaves and tomato , atop sautéing blue crab claws.

A pot on the stove with all ingredients for Indian crab soup, stirred with a wooden spatula, just before adding water
Stir and cook on low heat for 2 to 3 minutes to blend the flavors.
Pour water, simmer, then season with tamarind juice, chili flakes, crushed black pepper, and salt.
Stir and turn off the heat.
Cooked Indian crab soup, made with blue crab claws, spices, tomato and water.

Adding red chilli flakes atop a pot of cooked Indian crab soup, made with spices, water and curry leaves.

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