Lemon Red Lentil Soup

Posted on January 6, 2026

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This soup is bright, mild, and nourishing, with red lentils giving it a gently creamy texture without cream. Lemon juice adds a fresh finish that lifts the earthy lentils, making it excellent for both light lunches and easy evening meals.


 

Recipe Information

 

Serves: 4

Preparation time: 10 minutes

Cooking time: 25 minutes

Equipment: Large saucepan, wooden spoon


 

Ingredients

 

  • 1 tablespoon olive oil

  • 1 small onion, peeled and finely chopped

  • 1 medium carrot, peeled and diced

  • 1 clove garlic, peeled and crushed

  • 200 g red lentils, rinsed

  • 900 ml vegetable stock

  • Zest and juice of 1 lemon

  • Salt, to taste

  • Black pepper, to taste

 


 

Step-by-Step Method

 

  1. Warm the olive oil in a large saucepan over a gentle heat. Add the onion and carrot and cook slowly for about 5 minutes until soft.

  2. Add the garlic and stir for 30 seconds until fragrant.

  3. Tip in the rinsed lentils and stir for a minute to coat them in the oil.

  4. Pour in the vegetable stock and bring to a gentle simmer. Cover and cook for 15 to 20 minutes, until the lentils and vegetables are soft and the lentils have begun to break down.

  5. Remove from the heat and use a wooden spoon or a stick blender to gently mash or blend the soup to your preferred texture. It should be smooth with a little body.

  6. Stir in the lemon zest and lemon juice. Season gradually with salt and black pepper, tasting as you go.

  7. Warm gently once more before serving.

 


 

Practical Tips

 

  • Rinse the lentils well and pick out any small stones before cooking.

  • If the soup is too thick after cooking, add a little extra hot stock or water to reach your desired consistency.

 


 

Serving Suggestions

 

Serve warm with simple bread or buttered toast for dipping. A small dollop of natural yoghurt on top brightens the flavour further.


 

Storage and Reheating

 

Cool completely before storing. Keep in the fridge for up to 3 days in a sealed container. Reheat gently on the hob, stirring occasionally. This soup also freezes well for up to 3 months.

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