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ItalianVegetarianGluten FreeMedium

The Best Lentil Soup (Not Watery)

AT

By

Ago Tanfossi

Chef and recipe curator at Global Cucina

Published on February 6, 2026

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Lentil soup is a cornerstone of humble, nourishing Italian cooking, where balance and respect for ingredients reign supreme. This recipe achieves the perfect harmony: the lentils remain tender yet intact, swimming in a rich, tomato-based broth that is neither too thin nor overly thick. It’s a soup that honors the ingredient’s integrity and the slow-building depth of flavor that Italian technique demands.

1 hr
4 servings
Capolavoro Score 4.2/5 · 6 votes
The Best Lentil Soup (Not Watery)

Ingredients

  • Olive Oil
  • 1 yellow onion, finely chopped
  • 2 Carrot, finely chopped
  • 3 garlic, minced
  • 1/2 cup White Wine, red wine can substitute if necessary
  • 1 can diced tomatoes with juice, 400g can
  • 1 tsp Honey, or 1/2 teaspoon granulated sugar as alternative
  • 1 cup Brown Lentils, rinsed and checked for debris
  • 2 cup Spinach, washed and chopped; kale can substitute
  • 1 Lemon, juice only
  • to taste Salt, to taste
  • to taste black pepper, to taste
  • to taste Red Pepper Flakes, optional, for heat, to taste

Equipment

  • Dutch Oven
  • Heavy-Bottomed Pot

Instructions

  1. 1

    Heat olive oil in a large Dutch oven or heavy-bottomed pot over medium heat.

  2. 2

    Add the finely chopped onion and carrots. Cook slowly, stirring occasionally, until the vegetables soften and begin to caramelize, building a natural sweetness essential for depth.

  3. 3

    Stir in the minced garlic and cook for about one minute until fragrant, careful not to burn.

    1 min

  4. 4

    Pour in the white wine, allowing it to reduce slightly and infuse the base with brightness.

  5. 5

    Add the crushed tomatoes and honey, stirring to combine. The honey balances the acidity of the tomatoes.

  6. 6

    Rinse the lentils thoroughly and add them to the pot. Cover with water or broth to just cover the lentils.

  7. 7

    Bring the soup to a gentle simmer. Cook uncovered for at least 25-30 minutes until lentils are tender but still hold their shape. For richer flavor, continue simmering up to an hour, adding more liquid as needed to maintain consistency.

    1 hr

  8. 8

    Stir in the fresh spinach or kale and cook until wilted and tender.

  9. 9

    Season with salt, pepper, and red pepper flakes according to your preference.

  10. 10

    Just before serving, stir in the fresh lemon juice and finish with a drizzle of good quality olive oil.

Ago's Notes

  • Brown lentils are ideal for this soup due to their texture and cooking time. French green (puy) lentils can be used but require longer cooking; red lentils will break down and create a thicker, creamier soup.
  • Fresh garlic is indispensable for authentic flavor; avoid substitutes.
  • White wine adds a subtle acidity and complexity; if omitted, compensate with a bit more lemon juice.
  • The slow caramelization of vegetables is crucial - it builds the soup’s foundation.
  • This soup stands well on its own for lunch but pairs beautifully with crusty bread and a simple salad for a complete meal.
  • Rinsing lentils before cooking ensures purity and removes grit.
  • Pureeing the soup is not recommended as the texture is part of its charm, but if desired, add extra broth to avoid a paste-like consistency.
  • While not adapted for pressure cooking, the soup can be kept warm in a slow cooker after preparation.

This lentil soup is a testament to Italian culinary philosophy: respect the ingredient, master the technique, and let simplicity shine through.

Ago Tanfossi signatureAgo Tanfossi signature
SoupMain CourseComfort Food

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