Healthy • One-pot meal • Vegan • Dairy-free • Nut-free
A hearty, warming turmeric lentil soup packed with tender lentils, potatoes, carrots, tomatoes, leafy greens, and fragrant spices. It is comforting, nutritious, budget-friendly, and perfect for lunch or dinner.
Prep: 15 minutes
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Cook: 35–40 minutes
Total: 50–55 minutes
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Servings: 4–6
Diet: Vegan, vegetarian, dairy-free, nut-free, gluten-free if served without bread containing gluten
Ingredients
Shopping checklist
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Main ingredients
1 cup (200 g) dry brown or green lentils, rinsed
1 medium onion, finely chopped
2 medium carrots, diced
2 medium potatoes, peeled and cubed
3 garlic cloves, minced
1 can (400 g) chopped tomatoes
5–6 cups (1.2–1.4 litres) vegetable broth or water
2 cups fresh spinach or kale, roughly chopped
2 tablespoons olive oil
Spices and seasoning
1 teaspoon ground turmeric
1 teaspoon ground cumin
½ teaspoon ground coriander
½ teaspoon paprika
¼ teaspoon black pepper
½–1 teaspoon salt, to taste
1 bay leaf (optional)
1–2 tablespoons lemon juice, to finish
For garnish (optional)
Fresh parsley or coriander, chopped
A pinch of chilli flakes
A drizzle of olive oil
Toasted bread or crusty baguette, for serving
Step-by-step instructions
Step 1: Prepare the vegetables
Finely chop the onion and garlic. Dice the carrots and potatoes into bite-sized pieces. Rinse the lentils under cold running water and remove any debris.
Tip: Brown or green lentils hold their shape well and give the soup a texture similar to the reference dish.
Step 2: Sauté the aromatics
Heat the olive oil in a large pot over medium heat. Add the chopped onion and carrots and cook for 4–5 minutes, stirring occasionally, until slightly softened. Add the garlic and cook for another 30–60 seconds.
Step 3: Add the spices
Stir in turmeric, cumin, coriander, paprika, black pepper, and a little salt. Cook for about 30 seconds to release their aroma. Avoid burning the garlic or spices.
Step 4: Add lentils, tomatoes, and broth
Add the rinsed lentils, chopped tomatoes, cubed potatoes, vegetable broth, and bay leaf if using. Stir well and bring the mixture to a gentle boil.
Step 5: Simmer until tender
Reduce the heat to low, partially cover the pot, and simmer for 25–35 minutes, stirring occasionally. The lentils should be tender and the potatoes cooked through. Add extra hot water or broth if the soup becomes too thick.
Cooking time depends on the lentil variety and age. Red lentils cook faster and break down more, creating a creamier soup.
Step 6: Add the leafy greens
Stir in the spinach or kale and cook for another 2–4 minutes, until wilted and tender. Remove the bay leaf.
Step 7: Finish and serve
Add lemon juice and taste. Adjust the salt, pepper, and lemon to your preference. For a thicker consistency, mash a few potatoes and lentils against the side of the pot and stir them back into the soup.
Serve hot with fresh coriander or parsley and crusty bread.
Nutrition information
Approximate nutrition per serving, assuming 6 servings and excluding bread and optional garnishes.
Nutrient
Per serving
Calories
240–300 kcal
Protein
11–14 g
Carbohydrates
38–45 g
Dietary fibre
10–13 g
Fat
6–9 g
Saturated fat
1 g
Sugar
5–8 g
Sodium
Varies with broth and salt
Lentils provide plant-based protein, fibre, iron, and folate. Turmeric contains curcumin, a compound studied for its biological effects, but this soup should not be considered a treatment for any medical condition.
Nuts and allergen information
Nuts: No nuts are required in this recipe.
Peanuts: Not included.
Dairy: Naturally dairy-free.
Gluten: The soup itself is naturally gluten-free when all packaged ingredients are gluten-free. Regular bread may contain gluten.
Soy: Not required; check the vegetable broth label if soy avoidance is important.
Allium vegetables: Contains onion and garlic.
For a nut-free household, check packaged broth and spice labels for allergen statements and cross-contact warnings.
Questions and answers (Q&A)
1. Can I use red lentils instead of brown or green lentils?
Yes. Red lentils soften and break down more quickly, usually in about 15–20 minutes. The soup will be thicker and creamier, and you may need to add more liquid.
2. Can I make this soup without potatoes?
Yes. Leave them out or replace them with extra carrots, zucchini, or diced sweet potato. Check the soup earlier because cooking time may change.
3. How can I make the soup spicier?
Add chilli flakes, cayenne pepper, or a finely chopped green chilli when sautéing the garlic.
4. How can I make it creamier without cream?
Blend one or two cups of the cooked soup and stir it back into the pot. You can also mash some of the lentils and potatoes with a spoon.
5. Can I prepare it ahead of time?
Yes. The flavours develop nicely overnight. Refrigerate it within two hours of cooking in a covered container and use within 3–4 days. Reheat thoroughly, adding water or broth if needed.
6. Can I freeze turmeric lentil soup?
Yes. Cool it promptly, portion it into freezer-safe containers, and freeze for about 2–3 months for best quality. Thaw in the refrigerator overnight and reheat until steaming hot.
7. What can I serve with it?
Crusty bread, whole-wheat toast, flatbread, a green salad, or roasted vegetables are all good options. For a gluten-free meal, choose gluten-free bread or serve the soup on its own.
8. Can I make it in a pressure cooker?
Yes. Sauté the vegetables and spices first, then add lentils, tomatoes, potatoes, and broth. Cook on high pressure for approximately 8–10 minutes for brown or green lentils, followed by a controlled pressure release according to your cooker’s instructions. Add spinach and lemon juice afterward. Cooking times vary by appliance and lentil variety.
9. Why does my soup taste bitter?
The turmeric or garlic may have browned too much. Bloom the spices briefly over medium heat, avoid scorching them, and balance the finished soup with lemon juice and a little more broth if necessary.
10. Is this soup suitable for meal prep?
Absolutely. Store it in individual portions for easy lunches and dinners. Keep bread separate so it stays crisp, and add fresh herbs and lemon just before serving.