Zuppa di Lenticchie (Italian Lentil Soup)

In Italian home cooking, lentil soup is valued for its simplicity: a pot of pulses, vegetables and good olive oil turned into something nourishing and deeply savoury. This version follows that familiar pattern with a softened base of onion, celery and carrot, green lentils simmered until tender, and a little tomato purée for gentle sweetness and colour. Bay leaves add a quiet herbal note, while extra-virgin olive oil stirred over the finished bowls gives the soup its rounded, glossy finish. It is a practical vegan lunch or light supper, hearty without being heavy, and easy to loosen with stock if it thickens as it stands.
Cuisine style Italian home cooking
Flavor profile Savoury • Herby • Earthy
Techniques Sautéing • Gentle simmering
Cooking style One-pot cooking • Meal prep friendly • Freezer-friendly
Time commitment Under 1 hour
Key equipment Large pot

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
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  1. 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.
  2. 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.
  3. 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.

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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
Beginner friendly One pot Freezer friendly Kid friendly

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