Creamy Potato Leek Soup

Featured in: Cozy Kettle Soups & Stews

This classic French-inspired soup transforms simple ingredients into something extraordinary. Yukon Gold potatoes break down naturally for a velvety texture, while leeks and onion build a sweet, aromatic base. A splash of cream creates richness without heaviness.

The beauty lies in versatility—enjoy it vegetarian, add crispy bacon for smoky depth, or fold in seafood for a luxurious chowder. The entire process takes just 50 minutes from start to finish.

Updated on Tue, 27 Jan 2026 22:05:47 GMT
Creamy potato leek soup in a white bowl, garnished with fresh chives and a swirl of cream. Save to Pinterest
Creamy potato leek soup in a white bowl, garnished with fresh chives and a swirl of cream. | coralkettle.com

Experience the ultimate comfort in a bowl with this French-inspired Potato Leek Soup. This recipe creates a velvety, soothing dish by combining the mild sweetness of sautéed leeks with the heartiness of Yukon Gold potatoes. Whether you are looking for a simple vegetarian meal or a sophisticated base for a seafood chowder, this soup is as versatile as it is delicious.

Creamy potato leek soup in a white bowl, garnished with fresh chives and a swirl of cream. Save to Pinterest
Creamy potato leek soup in a white bowl, garnished with fresh chives and a swirl of cream. | coralkettle.com

Prepared in just 50 minutes, this dish serves as an excellent midweek dinner or an elegant first course for a weekend gathering. The blend of fresh thyme and a hint of black pepper enhances the natural flavors of the vegetables without overpowering them.

Ingredients

  • Vegetables: 2 tablespoons unsalted butter, 1 tablespoon olive oil, 2 large leeks (white and light green parts only, cleaned and sliced), 1 medium yellow onion (diced), 3 cloves garlic (minced), 4 medium Yukon Gold potatoes (peeled and diced, about 600 g), 2 stalks celery (diced).
  • Liquids: 1 liter (4 cups) low-sodium vegetable broth or chicken broth, 1 cup whole milk or cream for added richness.
  • Seasonings: 1 bay leaf, 1 teaspoon fresh thyme leaves (or 1/2 teaspoon dried), 1/2 teaspoon freshly ground black pepper, 3/4 teaspoon kosher salt.
  • Optional Garnish & Add-ins: 200 g cooked seafood (shrimp, scallops, or white fish), 4 strips cooked bacon (crumbled), chopped fresh chives or parsley.
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Instructions

Step 1: Sauté Aromatics
In a large pot, heat butter and olive oil over medium heat. Add leeks and onion, cooking for 5–6 minutes until soft but not browned.
Step 2: Add Garlic and Celery
Add garlic and celery, sautéing for 2 minutes until fragrant.
Step 3: Combine and Boil
Stir in potatoes, bay leaf, thyme, salt, and pepper. Pour in the broth and bring the mixture to a boil.
Step 4: Simmer
Reduce heat to low, cover, and simmer for 20–25 minutes until potatoes are very tender.
Step 5: Purée the Soup
Remove the bay leaf. Use an immersion blender to purée the soup until smooth, or leave slightly chunky if preferred.
Step 6: Finish with Dairy
Stir in the milk or cream and gently reheat. Adjust seasoning as needed.
Step 7: Optional Seafood Variation
For seafood chowder: Fold in cooked seafood and heat through for 2–3 minutes.
Step 8: Optional Bacon Garnish
For bacon garnish: Ladle soup into bowls and top with crumbled bacon.
Step 9: Final Garnish and Serve
Garnish with fresh chives or parsley, if desired. Serve hot.

Zusatztipps für die Zubereitung

When preparing the leeks, ensure you only use the white and light green parts, as the dark green tops can be tough and fibrous. If you do not have an immersion blender, a regular blender works well; however, be sure to blend in small batches and hold the lid down firmly with a kitchen towel to prevent steam pressure from splashing hot liquid.

Varianten und Anpassungen

For a dairy-free version, simply substitute the butter for olive oil and use a non-dairy milk alternative. You can also add extra texture and color by stirring in corn, peas, or diced carrots during the simmering stage.

Serviervorschläge

This soup pairs beautifully with crusty bread and a crisp white wine such as Sauvignon Blanc. For a more rustic presentation, serve it with large chunks of warm baguette and a sprinkle of cracked black pepper.

Hearty French-inspired potato leek soup served with crusty bread and a crisp Sauvignon Blanc. Save to Pinterest
Hearty French-inspired potato leek soup served with crusty bread and a crisp Sauvignon Blanc. | coralkettle.com

Enjoy this comforting French-inspired classic as a cozy lunch or an elegant dinner. With its simple ingredients and rich flavor, it is sure to become a staple in your recipe collection.

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Recipe Q&A

What makes this soup creamy without heavy cream?

Yukon Gold potatoes naturally break down during simmering, creating a velvety texture. The addition of whole milk provides subtle richness while keeping the soup light and balanced.

How do I clean leeks properly?

Slice leeks lengthwise and fan out the layers under cold running water, removing all grit and sand hidden between the layers. Pat dry before cooking to prevent excess moisture in your soup.

Can I make this soup ahead of time?

Absolutely. This soup actually improves overnight as flavors meld. Store in an airtight container in the refrigerator for up to 3 days. Reheat gently over low heat, adding a splash of milk if needed to restore consistency.

What's the best way to achieve a smooth texture?

An immersion blender works perfectly directly in the pot. For an ultra-silky finish, pass the puréed soup through a fine-mesh sieve. Alternatively, leave some chunks intact if you prefer a rustic texture.

How can I make this dairy-free?

Replace butter with additional olive oil and substitute whole milk with unsweetened almond, oat, or coconut milk. The result remains satisfyingly creamy while accommodating dietary restrictions.

Creamy Potato Leek Soup

Silky smooth soup featuring Yukon Gold potatoes and sweet leeks, finished with cream and herbs.

Prep Time
15 minutes
Cook Time
35 minutes
Overall Time
50 minutes
Created by Madison Perry


Skill Level Easy

Cuisine Type French-Inspired

Makes 4 Portion Size

Dietary Details Vegetarian Friendly, Gluten Free

Ingredient List

Vegetables

01 2 tablespoons unsalted butter
02 1 tablespoon olive oil
03 2 large leeks (white and light green parts only), cleaned and sliced
04 1 medium yellow onion, diced
05 3 cloves garlic, minced
06 4 medium Yukon Gold potatoes, peeled and diced (about 1.3 lbs)
07 2 stalks celery, diced

Liquids

01 4 cups low-sodium vegetable broth or chicken broth
02 1 cup whole milk or heavy cream

Seasonings

01 1 bay leaf
02 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried thyme
03 1/2 teaspoon freshly ground black pepper
04 3/4 teaspoon kosher salt

Optional Garnish and Add-ins

01 7 oz cooked seafood such as shrimp, scallops, or white fish
02 4 strips cooked bacon, crumbled
03 Chopped fresh chives or parsley

Directions

Step 01

Sauté Leeks and Onion: In a large pot, heat butter and olive oil over medium heat. Add sliced leeks and diced onion, cooking for 5 to 6 minutes until softened but not browned.

Step 02

Develop Aromatics: Add minced garlic and diced celery, sautéing for 2 minutes until fragrant.

Step 03

Build Soup Base: Stir in diced potatoes, bay leaf, thyme, salt, and pepper. Pour in the broth and bring the mixture to a boil over medium-high heat.

Step 04

Simmer Potatoes: Reduce heat to low, cover the pot, and simmer for 20 to 25 minutes until potatoes are very tender and easily pierced with a fork.

Step 05

Purée Soup: Remove the bay leaf. Use an immersion blender to purée the soup until smooth, or leave slightly chunky according to preference.

Step 06

Finish with Dairy: Stir in the milk or cream and gently reheat the soup over low heat. Adjust seasoning with additional salt and pepper as needed.

Step 07

Add Seafood Variation (Optional): For seafood chowder, fold in cooked seafood and heat through for 2 to 3 minutes until warmed throughout.

Step 08

Plate and Garnish: Ladle soup into bowls. Top with crumbled bacon if using, and garnish with fresh chives or parsley. Serve hot.

Equipment List

  • Large soup pot with lid
  • Chef's knife and cutting board
  • Immersion blender or standard blender
  • Soup ladle

Allergy Advisory

Examine all ingredients for allergens and talk to your healthcare provider with any concerns.
  • Contains milk and dairy products
  • May contain shellfish if seafood garnish is used
  • May contain pork if bacon garnish is used
  • Check broth and garnish ingredients for potential gluten contamination

Nutritional Info (Each Serving)

The nutrition details are for reference only and shouldn't replace advice from a doctor.
  • Caloric Value: 220
  • Fats: 7 g
  • Carbohydrates: 35 g
  • Proteins: 5 g