Easy Red Lentil Soup

Ingredients

• 15 ml (1 tbsp)olive oil
• 1 smallonion
• 2celery stalks
• 1 mediumcarrot
• 5 ml (1 tsp)ground turmeric
• 5 ml (1 tsp)garam masala
• 2.5 ml (1/2 tsp)ground cumin
• 1vegetable or chicken stock cube
• 750 mlwater
• 180 mlcoconut milk
• 150 gdried red lentils
• to tastesalt and pepper
• 15 ml (1 tbsp)lemon juice

Instructions

1. 1

   Prepare the vegetables

   Peel the onion and carrot. Dice them and the celery into small pieces, about 0.5 cm.

2. 2

   Soften the vegetables

   Heat the olive oil in a saucepan or casserole dish. Add the onion, carrot and celery, then sauté gently over a medium heat for a few minutes, until soft and fragrant but not browned.

3. 3

   Cook the spices

   Stir in the spices and cook gently for about a minute to release their flavour without letting them burn.

4. 4

   Simmer the lentils

   Add the lentils, stock cube, water and coconut milk, starting with less liquid if you prefer a thicker soup. Stir well, cover and simmer gently for 20 minutes, or until the lentils are soft and mushy.

5. 5

   Adjust the texture

   For a smoother soup, mash it with a potato masher or blend it to your preferred texture. Add more stock or water if it needs thinning.

6. 6

   Season and serve

   Season to taste and stir in the lemon juice. It brightens the flavour of the soup.

What is red lentil soup?

Red lentil soup is a simple, adaptable dish found in many food traditions, with no single style defining every version. This one combines quick-cooking lentils with familiar vegetables, warm spices and coconut milk.

The lentils soften as they simmer, so the soup becomes thick and hearty without needing to be blended. Lemon juice at the end balances the creamy, gently spiced broth.

Nutrition and macros by portion

The nutrition label shows one serving as written: 339 calories, 16g protein, 35g carbs, 16g fat.

The red lentils provide most of the carbohydrate and some of the protein, while the olive oil and coconut milk contribute much of the fat. Serve a bowl with a crisp salad or extra vegetables alongside to make the meal more varied.

The vegetable base

Even pieces: Cut the onion, celery and carrot into small, similarly sized pieces so they soften at roughly the same pace. The recipe uses a gentle sauté, not a high-heat fry, to keep them tender without browning.

Aromatic spices: Turmeric, garam masala and cumin go in after the vegetables have softened. Brief cooking helps bring out their aroma; keep them moving and take care not to scorch them.

Getting the lentils right

Red lentils: These dried lentils cook down quickly and naturally thicken the soup. Rinse them before cooking if you like, then simmer until soft and mushy rather than relying on the clock alone.

Liquid: The recipe suggests beginning with less liquid if you want a thicker result. The soup can be thinned with extra water or stock once the lentils are tender, which is easier than thickening a soup that has become too loose.

Choosing the texture

Chunky: Serve the soup as it is for a soft, rustic texture, with the vegetables and lentils still visible. Red lentils break down as they cook, so it will be thick even without mashing.

Smoother: Mash with a potato masher for a less uniform finish, or blend for a silkier soup. Blend carefully while the soup is hot, following your blender’s instructions.

Finishing and serving

Season last: The stock cube contributes salt, so taste before adding more. Stir in the lemon juice at the end to lift the flavour without overpowering the spices.

Serve it with bread, flatbread or a simple salad for a fuller meal. A little extra lemon at the table lets everyone adjust the brightness to taste.

Recipe notes & tips

• Dice the vegetables into small, even pieces so they soften at a similar rate.
• Keep the heat moderate when cooking the spices to prevent them from catching.
• Stir the lentils well after adding the liquid so they do not settle in one spot.
• Check the lentils for softness after 20 minutes and simmer longer if needed.
• Add liquid gradually when adjusting the consistency, stirring between additions.
• Taste before adding salt because the stock cube may already season the soup.

Variations

• Add chilli: Stir in a pinch of chilli flakes with the spices for gentle heat.
• Use vegetable stock: Choose a vegetable stock cube to keep the soup meat-free.
• Add greens: Stir in a handful of spinach near the end and cook until wilted.
• Change the citrus: Use a little lime juice instead of lemon for a different bright finish.
• Top with herbs: Scatter chopped coriander or parsley over each bowl before serving.

Common mistakes to avoid

• Large vegetable pieces: They may take longer to soften; cut the onion, carrot and celery into pieces about 0.5 cm.
• Browning the vegetables: This changes the gentle base; sauté over medium heat only until soft and fragrant.
• Burning the spices: They can turn bitter; cook them gently for about a minute and keep stirring.
• Adding too much liquid: A thin soup is harder to correct; start with less if you prefer a thicker consistency.
• Stopping too soon: Lentils should be soft and mushy; simmer beyond 20 minutes if they are still firm.
• Over-salting: Stock cubes can be salty; season only after tasting the finished soup.

How to store

Cool the soup promptly and store it in a covered container in the fridge for up to 3 days. Reheat gently in a saucepan, stirring and adding a splash of water or stock if it has thickened; freeze portions in suitable containers for up to 3 months.

Frequently asked questions