Name: Sambar (Lentil and Vegetable Soup) Recipe
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: South Indian
Ingredients: 1 cup red lentils; 7 cups water; 1/2 tsp turmeric powder; 2 cups chopped spinach; 3 tbsp ghee or vegetable oil, divided; 1 large tomato, diced; 1/2 red onion, diced; 1 tsp kosher salt; 2 tbsp sambar powder; 2 tsp tamarind paste; 1/2 cup water; 1 pinch asafetida (hing); 1/2 tsp black mustard seeds; 4 fresh curry leaves; 1 dried red Indian chili pepper, broken in half; 1/2 cup chopped cilantro

Jump to Recipe· 4.3 from 12 reviews

I absolutely adore this Sambar (Lentil and Vegetable Soup) Recipe because it brings together comforting warmth, vibrant flavors, and nourishing ingredients in a single bowl. Every time I make it, I’m reminded of home-cooked meals filled with love and tradition. The combination of red lentils, fresh spinach, and that tangy tamarind punch creates such a delightful harmony that feels like a big, cozy hug for the soul. Whether you’re new to Indian cuisine or a seasoned fan, this recipe is a winner that’s both satisfying and wholesome.

Why You’ll Love This Sambar (Lentil and Vegetable Soup) Recipe

What I find truly special about this Sambar (Lentil and Vegetable Soup) Recipe is the explosion of flavors that come from surprisingly simple ingredients. The earthiness of the lentils pairs beautifully with the subtle bitterness of spinach, while the sambar powder and tamarind add that perfect balance of spice and tang. Every spoonful feels layered and robust but not overwhelming, which keeps me coming back for more. The tempering of mustard seeds, curry leaves, and chili in ghee at the end gives it that fragrant, authentic touch that elevates the entire dish.

Another thing I cherish about this recipe is how straightforward it is to prepare without compromising on flavor. I love recipes that don’t require hours in the kitchen, and this one fits the bill perfectly with just a bit of simmering and layering of flavors. It’s ideal for pretty much any occasion—whether I’m craving a cozy solo dinner or wanting to impress guests with a vibrant, hearty soup that feels special yet comforting. Sambar makes a fantastic centerpiece for weeknight meals or weekend family gatherings, and I always find it inviting to share.

Ingredients You’ll Need

The image shows a black frying pan with golden edges placed on a white marbled surface. Inside the pan, there is a single layer of cooked diced onions and small uneven pieces of red tomatoes mixed together. The onions have a translucent, slightly soft texture with a pinkish-purple color. The tomato pieces are bright red, soft, and appear juicy, blending well with the onions. The mix is spread evenly in the pan without piling. Photo taken with an iphone --ar 4:5 --v 7

These ingredients might seem simple, but each one plays a crucial role in creating the rich, comforting texture and complex flavor of this Sambar (Lentil and Vegetable Soup) Recipe. From the creamy red lentils to the bright tamarind and aromatic spices, every element adds depth and character.

Red lentils, 1 cup: The heart of the dish, they cook down nicely to create a smooth and nourishing base.
Water, 7 cups: Essential for cooking the lentils perfectly soft and pooling into a soup consistency.

Turmeric powder, 1/2 tsp: Adds a lovely golden color and earthy warmth that balances the spices.
Chopped spinach, 2 cups: Brings a fresh green vibrancy and subtle texture contrast.
Ghee or vegetable oil, 3 tbsp total: Used for sautéing and tempering, it contributes richness and authentic flavor.

Diced large tomato, 1: Provides natural acidity and a juicy, sweet note that lifts the soup.
Diced red onion, 1/2: Adds mild pungency and depth when cooked gently with tomatoes.
Kosher salt, 1 tsp: For seasoning that enhances all the flavors beautifully.

Sambar powder, 2 tbsp: The signature spice mix that gives this soup its trademark character and complexity.
Tamarind paste, 2 tsp: Introduces that distinctive tanginess that brightens the overall dish.
Water (for tamarind mixture), 1/2 cup: Helps dilute and blend the tamarind for better integration.

Asafetida (hing), a pinch: A powerful and unique spice that adds subtle umami and earthiness.
Black mustard seeds, 1/2 tsp: When popped, they lend a nutty, slightly spicy flavor and aroma.
Fresh curry leaves, 4: Impart a fresh citrusy herbal note that defines the tempering step.

Dried red Indian chili pepper, 1 broken in half: Adds a sharp heat that’s balanced by the other ingredients.
Chopped cilantro, 1/2 cup: Used as a fresh garnish that brightens and finishes the dish beautifully.

Directions

Step 1: Rinse the red lentils under cold water until the water runs clear. Drain them well to ensure no grit remains before cooking.

Step 2: Place the rinsed lentils and 7 cups of water into a large pot. Bring it to a boil over medium-high heat. As it starts boiling, skim off any foam that rises to the surface to keep the soup clear and clean-tasting.

Step 3: Add the turmeric powder, stir gently, then cover the pot and reduce the heat to a simmer. Let the lentils cook for about 30 minutes until they become soft and start breaking down into a thick porridge-like texture.

Step 4: Add the chopped spinach to the pot, stir it through, cover again, and set the pot aside so the spinach wilts gently in the residual heat.

Step 5: In a skillet over medium heat, warm 2 tablespoons of ghee or vegetable oil. Add the diced red onion, diced tomato, and salt. Cook on low heat, stirring occasionally, for about 10 minutes until the vegetables soften and meld into a luscious base.

Step 6: In a small bowl, mix the tamarind paste and 1/2 cup water until fully combined. Add this tamarind mixture along with the sambar powder to the softened vegetables. Cook for another 8 minutes to allow the flavors to develop fully.

Step 7: Pour the vegetable mixture over the cooked lentils in the large pot and stir everything together thoroughly to blend all components nicely.

Step 8: In a small pan over medium heat, warm the remaining 1 tablespoon of ghee or oil. Add the pinch of asafetida and the mustard seeds. Once the mustard seeds start popping, reduce the heat to low and add the curry leaves and broken dried red chili. Sauté for a few seconds until aromatic and crispy.

Step 9: Pour this sizzling tempered spice mixture (tadkah) over the lentils and stir well to infuse the soup with its final vibrant flavor kick.

Step 10: Garnish the finished sambar with fresh chopped cilantro before serving. I like it best as is or served over plain steamed rice, along with a dollop of plain yogurt and a side of achaar (Indian pickle) for a truly authentic experience.

Servings and Timing

This recipe makes about 4 hearty servings of sambar, perfect for a family meal or leftovers to enjoy for a day or two. Prep time is roughly 10 minutes, mostly for chopping and rinsing ingredients. The cooking time is about 40 minutes, considering the simmering of lentils and the slow cooking of the vegetable base. Altogether, you’re looking at about 50 minutes total time before your big tasty bowl is ready. There’s no special resting or cooling time required, so you can dive in as soon as it’s done.

How to Serve This Sambar (Lentil and Vegetable Soup) Recipe

A round metal bowl with two handles holds a thick orange lentil soup mixed with green leafy pieces and bits of tomato, topped with whole dried red chili and some black mustard seeds. The bowl is placed on a burnt orange cloth with cream-colored embroidery, and next to it lies an old silver spoon on the right side. Above the bowl, there is a small bowl filled with fresh green coriander leaves. The whole setup is on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

I love serving this sambar piping hot straight from the pot. It’s fantastic ladled over plain steamed basmati rice for a soulful South Indian meal. If you want to get a little fancy, adding a spoonful of creamy plain yogurt on top creates a beautiful contrast of flavors and temperature that’s dreamy. Alongside, I often serve a colorful Indian pickle or achaar, which brings a tangy, salty punch that pairs perfectly with the mellow lentils.

For garnishing, I always sprinkle chopped fresh cilantro generously on top right before serving. The green flecks brighten the dish visually and add a lovely fresh hit that enhances the aroma and taste. I also think this sambar looks charming in small bowls at a dinner party or potluck, where guests can spoon it over rice themselves or enjoy it as a warm, comforting soup.

If you’re wondering about beverages, a lightly spiced chai or a refreshing mango lassi balances the tangy and spicy notes perfectly. I find this recipe is so versatile it fits everything from casual weeknight dinners to special holiday lunches where you want to impress without fuss.

Variations

One of the reasons I keep coming back to this Sambar (Lentil and Vegetable Soup) Recipe is because it’s wonderfully adaptable. If you don’t have red lentils on hand, yellow split moong dal or toor dal work perfectly as substitutions. Just keep in mind that cooking times may vary slightly based on the lentil type you use.

If you’re vegan or want to keep it lighter, swapping ghee with vegetable oil or coconut oil works beautifully and doesn’t sacrifice flavor. For those who love a little extra heat, feel free to add chopped green chilies while sautéing the onions and tomatoes or sprinkle in some red chili powder along with the sambar powder. I also sometimes toss in other veggies like carrots, drumsticks, or eggplant to boost the nutrition and texture variety.

For a quicker cooking method, you can use a pressure cooker or instant pot to speed up the lentil cooking step, which cuts down the simmering time significantly. Whatever adaptations you make, this recipe remains a flavorful, nutritious staple that welcomes your personal twist with open arms.

Storage and Reheating

Storing Leftovers

I store leftover sambar in airtight glass containers in the refrigerator, where it keeps wonderfully for up to 3 days. I recommend using glass containers because they don’t retain odors and retain freshness better than plastic. Make sure the sambar has cooled to room temperature before sealing and refrigerating to maintain the best flavor and texture.

Freezing

This sambar freezes really well if you want to save some for later meals. I portion it into freezer-safe containers or heavy-duty zip-top bags, leaving a bit of room for expansion. It keeps lovely in the freezer for up to 2 months. When you’re ready to enjoy, just thaw overnight in the fridge or gently warm from frozen on the stovetop.

Reheating

The best way to reheat sambar is gently on the stove over low to medium heat, stirring occasionally to prevent sticking or burning on the bottom. Add a splash of water if it’s thickened too much during storage to bring back the perfect soup consistency. Avoid microwaving straight from frozen, as uneven heating can result in hot and cold spots and a loss of flavor complexity. I find slow reheating always restores that fresh-cooked taste and texture beautifully.

FAQs

What can I substitute if I don’t have sambar powder?

If you don’t have ready-made sambar powder, you can make a simple substitute by combining equal parts coriander powder, cumin powder, red chili powder, and a pinch of fenugreek seeds or mustard seeds. Toasting these spices gently before grinding enhances their aroma. Though it won’t be exactly the same, it will add a lovely flavor profile that works wonderfully.

Is this recipe gluten-free?

Yes! This Sambar (Lentil and Vegetable Soup) Recipe is naturally gluten-free, as it contains lentils, vegetables, spices, and no wheat-based ingredients. Just make sure any spice blends or added pickles you use are certified gluten-free if you’re very sensitive.

Can I add other vegetables to the sambar?

Absolutely. Many variations include vegetables like carrots, drumsticks, pumpkin, okra, or eggplant. Just chop them into bite-sized pieces and add them during the lentil cooking step or when cooking the tomato and onion mixture, depending on the vegetable’s cooking time. This adds nutritional value and delicious complexity.

What does ‘tadkah’ mean in the recipe?

Tadkah, also called tempering, is a traditional Indian technique where spices and aromatics like mustard seeds, curry leaves, and chili are briefly fried in hot oil or ghee to release their flavors. This sizzling spiced oil is poured over the cooked dish at the end, giving it a beautiful fragrance and depth that’s signature to recipes like sambar.

Can I make this sambar ahead of time?

Yes, sambar is even better the next day because the flavors deepen and meld as it sits. I often make it a day ahead and gently reheat it before serving. Just remember to add fresh cilantro right before serving to keep that bright fresh touch.

Conclusion

I truly hope you enjoy making and savoring this Sambar (Lentil and Vegetable Soup) Recipe as much as I do. It’s one of those dishes that feels like a warm, comforting embrace and brightens any meal with its vibrant flavors and wholesome goodness. Give it a try—it’s a fantastic, nourishing recipe that’s easy to prepare and endlessly satisfying. Happy cooking!