Creamy Potato Leek Soup

Featured in: Cozy Kettle Soups & Stews

This classic French-inspired soup transforms humble potatoes and leeks into a luxurious, velvety bowl of comfort. The base simmers with aromatic vegetables, thyme, and bay leaf before being blended to silky perfection. Whole milk adds richness without overpowering the delicate sweetness of the leeks. Finished in just 50 minutes, it's equally satisfying on its own or elevated with seafood and crispy bacon. The result is a warming, nourishing dish that pairs beautifully with crusty bread and a crisp white wine.

Updated on Tue, 27 Jan 2026 20:17:17 GMT
Creamy Potato Leek Soup garnished with fresh chives and a drizzle of cream, served steaming hot in a rustic bowl. Save
Creamy Potato Leek Soup garnished with fresh chives and a drizzle of cream, served steaming hot in a rustic bowl. | wheatkettle.com

Warm up with a bowl of this French-inspired Potato Leek Soup, a timeless classic that balances simplicity with elegance. This creamy and comforting dish highlights the delicate sweetness of sautéed leeks paired with the buttery texture of Yukon Gold potatoes, making it a perfect staple for chilly days or as a sophisticated starter for your next dinner party.

Creamy Potato Leek Soup garnished with fresh chives and a drizzle of cream, served steaming hot in a rustic bowl. Save
Creamy Potato Leek Soup garnished with fresh chives and a drizzle of cream, served steaming hot in a rustic bowl. | wheatkettle.com

The beauty of this soup lies in its versatility. While the base recipe is entirely vegetarian, the mild flavors of potato and leek serve as a wonderful canvas for savory additions like smoky bacon or fresh seafood, allowing you to tailor the dish to any occasion.

Ingredients

  • 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
  • 1 liter (4 cups) low-sodium vegetable broth (or chicken broth)
  • 1 cup whole milk (or cream for richness)
  • 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 (to taste)
  • 200 g cooked seafood or 4 strips cooked bacon (optional)
  • Chopped fresh chives or parsley (optional garnish)
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Instructions

Step 1
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, sautéing for 2 minutes until fragrant.
Step 3
Stir in potatoes, bay leaf, thyme, salt, and pepper. Pour in the broth and bring to a boil.
Step 4
Reduce heat to low, cover, and simmer for 20–25 minutes until potatoes are very tender.
Step 5
Remove the bay leaf. Use an immersion blender to purée the soup until smooth (or leave slightly chunky if preferred).
Step 6
Stir in the milk (or cream) and gently reheat. Adjust seasoning as needed.
Step 7
If making seafood chowder, fold in cooked seafood and heat through for 2–3 minutes. If using bacon, ladle into bowls and top with crumbled bits.
Step 8
Garnish with fresh chives or parsley and serve hot.

Zusatztipps für die Zubereitung

To ensure a smooth result, use a large soup pot and an immersion blender. If using a standard blender, work in small batches and exercise caution with the hot liquid. Make sure to clean your leeks thoroughly, as grit can often hide between the layers.

Varianten und Anpassungen

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

Serviervorschläge

This soup pairs exceptionally well with crusty artisan bread and a crisp white wine such as Sauvignon Blanc. For a heartier meal, top with crumbled bacon or fold in sautéed shrimp or scallops just before serving.

Potato Leek Soup blended velvety smooth with tender leeks and Yukon Gold potatoes, perfect for cozy lunches or dinners. Save
Potato Leek Soup blended velvety smooth with tender leeks and Yukon Gold potatoes, perfect for cozy lunches or dinners. | wheatkettle.com

Whether enjoyed as a light lunch or a comforting dinner, this Potato Leek Soup is sure to become a favorite in your recipe rotation. Simple ingredients transformed into a velvety masterpiece — truly soul-warming food at its finest.

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Common Recipe Questions

Can I make this soup dairy-free?

Simply substitute the butter with additional olive oil and use your favorite non-dairy milk alternative. The soup remains just as creamy and satisfying.

What's the best way to clean leeks?

Slice the leeks lengthwise and rinse under running water, separating the layers to remove any hidden sand or dirt. Pat dry before cooking.

Can I freeze this soup?

Yes, allow the soup to cool completely before freezing in airtight containers for up to 3 months. Thaw overnight in the refrigerator and reheat gently.

What potatoes work best?

Yukon Gold or other waxy potatoes hold their shape well and yield a smoother texture. Russets can become grainy, so they're less ideal for blending.

How can I add more protein?

Fold in cooked shrimp, scallops, or white fish during the final minutes. Crispy bacon also adds both protein and savory crunch.

What should I serve with this soup?

Crusty bread or baguette is perfect for dipping. A crisp Sauvignon Blanc or light Chardonnay complements the creamy texture beautifully.

Creamy Potato Leek Soup

Silky smooth soup featuring buttery potatoes and fragrant leeks, ideal for cozy dinners.

Prep Duration
15 minutes
Cook Duration
35 minutes
Overall Time
50 minutes
Created by Lillian Roberts


Skill Level Easy

Cuisine Type French-Inspired

Makes 4 Portions

Diet Info Meat-Free, No Gluten

What You Need

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 pounds)
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, adjusted to taste

Optional Garnish and Add-ins

01 7 ounces cooked seafood such as shrimp, scallops, or white fish
02 4 strips cooked bacon, crumbled
03 Fresh chives or parsley, chopped

Steps

Step 01

Sauté aromatics: 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

Build flavor base: Add minced garlic and diced celery, sautéing for 2 minutes until fragrant.

Step 03

Combine primary ingredients: Stir in diced potatoes, bay leaf, thyme, salt, and pepper. Pour in broth and bring 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 and discard the bay leaf. Using an immersion blender, purée the soup until smooth, or leave slightly chunky according to preference.

Step 06

Finish with cream: Stir in milk or cream and gently reheat over low heat without boiling. Taste and adjust seasoning as needed.

Step 07

Add seafood variation: For a seafood chowder, fold in cooked seafood and heat through for 2 to 3 minutes.

Step 08

Garnish and serve: Ladle soup into bowls and top with crumbled bacon if using. Garnish with fresh chives or parsley and serve hot.

Essential Gear

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

Allergy Notice

Read each ingredient label for allergens and talk to a professional if you're unsure.
  • Contains milk and dairy products
  • May contain shellfish if seafood variation is used
  • May contain pork if bacon garnish is used
  • Verify broth and additional ingredients for gluten and other potential allergens

Nutrition Details (per serving)

Details here are for general info and aren't meant as medical advice.
  • Kcal: 220
  • Fats: 7 grams
  • Carbohydrates: 35 grams
  • Proteins: 5 grams