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Creamy Leek Soup

This classic creamy leek soup is a sophisticated take on a comforting favourite, offering a velvety texture and a vibrant hit of fresh flat-leaf parsley. By slowly softening the leeks, carrots, and celery in butter, you create a deep, savoury base that perfectly complements the subtle sweetness of the white wine and potatoes. It is a wonderfully elegant vegetarian dish that feels indulgent without being heavy, making it an ideal choice for a weekend lunch or a seasonal dinner party starter.

To achieve the professional finish characteristic of high-end UK bistros, the soup is thickened with a traditional roux before being blended until completely smooth. Finishing each bowl with a cloud of lightly whipped double cream adds a luxurious touch that balances the earthy aromatics. Serve this homemade soup with a crusty sourdough loaf to soak up every drop of the rich, flavoursome broth.

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Ingredients for Creamy Leek Soup

  • 8 medium leeks (1.4kg ), trimmed, leaving white and pale green parts only, and chopped

  • 1 medium onion, chopped

  • 1 large carrot, chopped

  • 2 celery ribs, chopped

  • 1 teaspoon salt

  • 1/2 teaspoons black pepper

  • 1 stick (120ml ) unsalted butter

  • 1 small boiling potato (170g)

  • 120ml dry white wine

  • 725ml chicken stock or reduced-sodium chicken broth (24 fluid ounces)

  • 725ml water

  • 1 Turkish bay leaf or 1/2 California

  • 1 1/2 cups fresh flat-leaf parsley leaves

  • 1/4 cup plain flour

  • 120ml chilled double cream

How to make Creamy Leek Soup

Wash sliced leeks in a large bowl of cold water, agitating them, then lift out and drain well in a colander.

Cook leeks, onion, carrot, celery, salt, and pepper in 60ml butter in a 5- to 6-quart heavy pot over moderate heat, stirring occasionally, until softened, about 8 minutes. Peel potato and cut into 1/2-inch cubes, then add to onion mixture along with wine, stock, water, and bay leaf. Bring to a boil, then reduce heat and simmer, partially covered, until vegetables are tender, about 15 minutes.

Stir in parsley and simmer soup, uncovered, 5 minutes. Discard bay leaf and keep soup at a bare simmer.

Melt remaining 60ml butter in a 1-quart heavy saucepan over moderate heat, then add flour and cook roux, whisking, until golden, about 3 minutes. Remove from heat and add 475ml simmering stock (from soup), whisking vigorously (mixture will be thick), then whisk mixture into remaining soup and return to a simmer, whisking.

Blend soup in 4 batches in a blender until smooth (use caution when blending hot liquids), about 1 minute per batch, transferring to a 3- to 4-quart saucepan. Reheat if necessary, then season with salt and pepper.

Beat cream in a bowl with an electric mixer at medium speed until it almost forms soft peaks. Serve soup topped with cream.

Clause de non-responsabilité

While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.

Historique de l'article

Les informations contenues dans cette page ont été évaluées par des cliniciens qualifiés.

  • 17 janvier 2026 | Publié à l'origine

    Auteur: :

    UK recipe editors

    Examiné par des pairs

    UK recipe editors
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