Leek and Potato Soup with Crusty Bread

Few soups make such good use of modest ingredients as leek and potato. Softened leeks give the base a gentle sweetness, while floury, golden potatoes break down into a naturally creamy texture when simmered in vegetable stock and blended smooth. A bay leaf adds quiet savoury depth, and a small finish of double cream makes the soup velvety without turning it heavy. Served hot with black pepper, chopped parsley and crusty bread for dipping, it is a practical British-style soup for an easy dinner, light lunch or make-ahead batch cooking.
Cuisine style British home cooking
Flavor profile Creamy • Savoury • Mild
Techniques Sweating leeks • Simmering • Blending
Key equipment Large saucepan • Immersion blender
Cooking style Make-ahead friendly • Freezer-friendly • Minimal cleanup
Time commitment Under 1 hour

Why this recipe works

  • Gentle savoury base: Cooking the leeks slowly in butter softens their sharpness and gives the soup a mellow, rounded flavour.
  • Naturally smooth body: Yukon Gold potatoes break down well when simmered, helping the soup blend into a velvety texture before the cream is added.
  • Straightforward method: The recipe follows a simple cook, simmer and blend sequence, making it easy to manage without specialist techniques.

Get the most out of this recipe

Ingredient notes

  • Clean the leeks well: Leeks often hold grit between their layers, so rinse the sliced pieces thoroughly before cooking.
  • Use a creamy potato: Yukon Gold potatoes give the soup a naturally smooth, buttery body without making it gluey.
  • Remove the bay leaves: Take out the bay leaves before blending so the soup stays smooth and free of tough fragments.

Texture tips

  • Blend while hot: Blending the soup while it is still hot helps the potatoes and leeks emulsify into a smoother finish.
  • Warm gently after adding cream: Keep the heat low once the double cream is stirred in to preserve a silky texture.
  • Adjust the consistency: If the soup thickens after standing, loosen it with a little extra stock while reheating.

Make-ahead tips

  • Make ahead: The soup can be cooked in advance, cooled quickly and kept covered in the fridge for up to 3 days.
  • Freeze in portions: Freeze the cooled soup in individual portions for easier defrosting and reheating.
  • Reheat gently: Warm the soup over a low heat, stirring often, until piping hot throughout; avoid boiling after reheating.

Serving ideas

  • Serve with crusty bread: A crisp white loaf or baguette works well for dipping into the creamy soup.
  • Finish simply: Fresh parsley and black pepper add colour and a clean, savoury lift without overpowering the leeks.

Equipment you'll need

Ingredients
Instructions
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  1. Trim the leeks, then slice them and rinse well to remove any grit. Peel the potatoes and cut into roughly 2 cm chunks. Pick the parsley leaves and finely chop them.
  2. Melt the butter in a large saucepan over a medium heat. Add the leeks and cook for 8 to 10 minutes, stirring often, until softened but not browned.
  3. Add the potatoes, bay leaves and vegetable stock. Bring to the boil, then reduce to a gentle simmer and cook for 15 to 18 minutes, until the potatoes are very tender.
  4. Remove and discard the bay leaves. Blend the soup until completely smooth, then return to a low heat. Stir in the double cream and warm gently for 2 to 3 minutes, without boiling.
  5. Season with black pepper, then ladle into bowls and scatter over the parsley. Serve hot with slices of crusty bread.

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Recipe notes

Tips

  • For the smoothest texture, blend while the soup is hot, but keep the blender head fully submerged to avoid splashes.
  • After adding the double cream, keep the heat low and do not let the soup boil, or it can split.
  • If serving to anyone who is pregnant, elderly, or immunocompromised, ensure the soup is heated until piping hot throughout.

Substitutions

  • Replace Double cream with Cooking cream for a lighter finish.
  • Replace Unsalted butter with Olive oil for a dairy-free base (the soup will no longer be creamy unless you also swap the Double cream).
  • Replace Crusty white bread with Baguette for a similarly crisp side.

Storage

  • Refrigerate up to 3 days
  • Cool the soup quickly, cover and refrigerate. Reheat gently in a saucepan over a low heat until piping hot, stirring often; avoid boiling once reheated. Freeze in portions for up to 3 months and defrost overnight in the fridge before reheating.

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Leek and Potato Soup with Crusty Bread
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Recipe overview

  • Servings: 4 servings
  • Total time: 40min (15min active)
  • Difficulty: Easy
  • Cuisine: British
  • Allergens:
    Gluten Milk Wheat
Beginner friendly One pot Freezer friendly Kid friendly

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