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Leek and Potato Soup with Croutons and Chives Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.8 from 88 reviews
  • Author: Lauren
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Total Time: 45 minutes
  • Yield: 5 to 8 servings
  • Category: Soup
  • Method: Stovetop
  • Cuisine: French/British
  • Diet: Low Salt

Description

This classic Leek and Potato Soup features tender sautéed leeks and creamy potatoes simmered in flavorful chicken or vegetable stock, finished with a touch of cream and garnished with crisp homemade croutons and fresh chives. Perfect as a comforting starter or light meal, it’s rich, velvety, and packed with savory goodness.


Ingredients

Scale

Soup

  • 2 tbsp (30g) butter
  • 2 large garlic cloves, finely minced
  • 3 leeks, white and pale green parts only, sliced thinly (about 2 cups)
  • 1 kg / 2 lb potatoes (Sebago, Russet or Maris Piper), peeled and diced into 1″ / 2.5cm cubes
  • 1.5 litre / 1.5 qt chicken or vegetable stock, low sodium (6 cups)
  • 3/4 cup heavy/thickened cream (can substitute milk)
  • 1 tsp cooking salt / kosher salt (reduce by 25% if using table salt)
  • 1/2 tsp black pepper

Croutons

  • 2 thick slices bread, torn into crouton size pieces
  • 1 tbsp melted butter or olive oil spray
  • Pinch of salt

Garnish

  • Chives, finely chopped
  • Extra cream, for drizzling


Instructions

  1. Sauté: Melt the butter in a large pot over medium heat. Add the finely minced garlic and sliced leeks, sautéing for about 7 minutes until they become soft and sweet, developing their natural flavors without browning.
  2. Simmer: Add the diced potatoes and low-sodium chicken or vegetable stock to the pot. Increase the heat to bring it to a gentle simmer, then cover with a lid, reduce the heat to maintain a gentle simmer, and cook for 25 minutes, or until the potatoes are very soft and starting to break down.
  3. Puree: Turn off the stove, then use a stick blender to puree the soup just until smooth. Avoid over-pureeing to prevent a gluey texture; the soup should retain a creamy, slightly textured consistency.
  4. Season and finish: Stir in the salt, black pepper, and cream gently until fully incorporated. Adjust seasoning as needed to taste.
  5. Make croutons: Preheat the oven to 180°C / 350°F (160°C fan-forced). Toss the torn bread pieces with melted butter or spray with olive oil, then bake for about 5 minutes until they are golden and crunchy. Sprinkle a pinch of salt on the hot croutons.
  6. Serve: Ladle the soup into bowls, drizzle with extra cream, sprinkle finely chopped chives on top, and garnish with the crunchy croutons for added texture and flavor.

Notes

  • Leeks: Only use the white and pale green parts, avoiding the tough dark green leaves. If unavailable, substitute with finely chopped onions sautéed slowly until soft but not caramelized.
  • Potato types: Use starchy potatoes such as Sebago (Australia), Russet (US), or Maris Piper (UK) for a creamy texture. Avoid waxy, low-starch varieties like red or new potatoes which do not break down well.
  • Pureeing: Use a stick blender and puree just until smooth to avoid a gluey texture. If using a regular blender, mash the potatoes first and pulse gently.
  • Flavor tip: Sautéing leeks with garlic in butter adds a rich depth, elevating this classic soup beyond the traditional method.
  • Serving size: Recipe serves comfortably 5 as a hearty meal portion or up to 8 as an elegant starter.

Nutrition

  • Serving Size: 393g
  • Calories: 311
  • Sugar: 2g
  • Sodium: 551mg
  • Fat: 19g
  • Saturated Fat: 12g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 32g
  • Fiber: 6g
  • Protein: 6g
  • Cholesterol: 64mg