Zuppa di Lenticchie (Italian Lentil Soup)
Why this recipe works
- Simple base, deep flavour: Slowly softening onion, celery and carrot gives the soup a savoury foundation before the lentils and stock are added.
- Gentle simmering: Cooking the lentils at a low simmer helps them become tender while keeping their shape, so the soup stays clear rather than overly starchy.
- Good for batch cooking: The soup stores and freezes well, and can be loosened with extra vegetable stock when reheated.
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Authenticity notes
- Italian home-style soup: The recipe follows a classic Italian approach: a soffritto base, dried lentils, bay leaves and a clean vegetable broth.
- Finish with olive oil: Adding extra-virgin olive oil at the end gives the soup richness and aroma without making the broth heavy.
Ingredient notes
- Choose lentils that hold their shape: Green lentils are well suited here because they soften without collapsing completely; puy lentils give an even firmer, slightly peppery result.
- Dice the vegetables finely: Small, even pieces of onion, celery and carrot soften into the broth and give the soup a more cohesive texture.
- Use good olive oil for finishing: The final drizzle is a visible part of the flavour, so a fresh extra-virgin olive oil makes a noticeable difference.
Texture tips
- Keep the lentils defined: Maintain a gentle simmer rather than a rolling boil, and stop cooking once the lentils are tender.
- Adjust the consistency: If the soup thickens as it stands, loosen it gradually with hot vegetable stock and warm it gently.
- Avoid a muddy texture: Overcooked lentils can break down and cloud the broth, so check them towards the end of the simmering time.
Make-ahead tips
- Make ahead for lunches: Cool the soup completely, then refrigerate in a sealed container for up to 4 days.
- Freeze in portions: Freeze the cooked soup for up to 3 months, then defrost overnight in the fridge before reheating.
- Reheat gently: Warm in a saucepan over a low heat until piping hot throughout, adding a little vegetable stock if needed.
Equipment you'll need
Ingredients
Instructions
- Warm 2 tbsp of the olive oil in a large pot over a medium heat. Finely dice the onion, celery and carrot, then add to the pot with a pinch of the salt. Cook for 8 to 10 minutes, stirring often, until softened but not browned.
- Stir in the tomato purée and cook for 1 minute until it darkens slightly and smells sweet. Add the lentils, vegetable stock and bay leaves, then bring to a gentle simmer. Reduce the heat to low and cook for 30 to 35 minutes, stirring occasionally, until the lentils are tender.
- Season with the remaining salt and the black pepper, then simmer for 3 to 5 minutes so the flavours settle. Remove and discard the bay leaves. Ladle into bowls and finish each serving with the remaining 1 tbsp olive oil.
Recipe notes
Tips
- Keep the simmer gentle so the lentils stay intact and the soup stays clear rather than starchy.
- If the soup thickens too much as it stands, loosen it with a splash of hot vegetable stock and warm it gently.
- For anyone who is pregnant, elderly, or immunocompromised, make sure the soup is reheated until piping hot throughout.
Substitutions
- Replace tomato purée with canned chopped tomatoes for a lighter, more brothy soup.
- Replace dried green lentils with puy lentils for a firmer texture and slightly peppery flavour.
- Replace extra virgin olive oil with virgin olive oil for a milder finish.
Storage
- Refrigerate up to 4 days
- Cool completely, then refrigerate in a sealed container. Reheat gently in a saucepan over a low heat, adding a little vegetable stock if needed, until piping hot. Freeze in portions for up to 3 months and defrost overnight in the fridge before reheating.
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Recipe overview
- Servings: 4 servings
- Total time: 55min (15min active)
- Difficulty: Easy
- Cuisine: Italian
-
Allergens:
Celery
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