Creamy Potato Leek Soup is a smooth, comforting soup made with tender potatoes, mild leeks, garlic, and vegetable broth. Yukon Gold potatoes give it a naturally creamy consistency, while butter, thyme, and heavy cream add a gentle richness.
This easy potato leek soup is a practical choice for chilly evenings, light lunches, or a simple vegetarian dinner. Prepared in one pot with everyday ingredients, it has a mild, savory flavor balanced by a splash of lemon juice. Serve it with crusty bread, a fresh salad, or roasted vegetables for a satisfying meal.
Why This Potato Leek Soup Belongs in Your Recipe Collection
- One-Pot Preparation: The vegetables cook in the same pot used to prepare the soup, keeping the process straightforward and reducing cleanup.
- Everyday Ingredients: Potatoes, leeks, garlic, broth, and a few seasonings form the base of this simple recipe.
- Beginner-Friendly Method: The vegetables are sautéed, simmered until tender, and blended, making the process manageable for home cooks of different skill levels.
- Naturally Thick Texture: Blended potatoes give the soup body without requiring flour or a separate thickening mixture.
- Flexible Ingredients: Vegetable broth and dairy alternatives make it easy to adapt the recipe to different dietary preferences.
- Easy to Scale: The recipe makes six servings and can be adjusted when preparing lunch or dinner for a smaller group.
Ingredients That Make This Soup Creamy and Flavorful
- Yukon Gold Potatoes: Two pounds of Yukon Gold potatoes create a smooth, creamy consistency when blended. Russet potatoes can also be used, although they may produce a starchier texture.
- Fresh Leeks: The white and light green portions provide a mild onion-like flavor. Slice the leeks before rinsing them thoroughly to remove dirt trapped between the layers.
- Butter and Olive Oil: Butter contributes richness, while olive oil helps the leeks soften evenly during sautéing.
- Vegetable Broth: Low-sodium vegetable broth provides the liquid base and allows you to control the final seasoning. Choose a broth with a flavor you enjoy, since it contributes significantly to the finished soup.
- Fresh Thyme and Bay Leaf: Thyme adds an earthy herbal note, while the bay leaf gently infuses the broth as the potatoes simmer. Remove the bay leaf before blending.
- Heavy Cream and Lemon Juice: Heavy cream adds a silky finish, while lemon juice brightens the mild flavors and balances the richness.
Chef’s Tip: Take time to soften the leeks over medium-low heat without browning them. This helps develop their gentle sweetness and gives the soup a smoother, more balanced flavor.

Creamy Potato Leek Soup Recipe
Equipment
- Large heavy-bottomed pot or Dutch oven
- Cutting board
- Sharp chef’s knife
- Vegetable Peeler
- Wooden spoon
- Immersion blender or countertop blender
- Measuring cups and spoons
- Ladle
Ingredients
- 2 tablespoons unsalted butter
- 1 tablespoon olive oil
- 3 large leeks white and light green parts only, thinly sliced
- 2 garlic cloves minced
- 2 pounds Yukon Gold potatoes peeled and diced
- 5 cups low-sodium vegetable broth
- 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried thyme
- 1 bay leaf
- 1 teaspoon salt or to taste
- 1/2 teaspoon freshly ground black pepper
- 1/2 cup heavy cream
- 1 tablespoon fresh lemon juice
- 2 tablespoons chopped fresh chives for garnish
Instructions
- Prepare the leeks and potatoes. Trim the roots and dark green tops from the leeks, keeping the white and light green parts. Slice them thinly and rinse thoroughly under running water, separating the layers to remove any trapped dirt. Peel and dice the potatoes into evenly sized pieces.

- Sauté the leeks. Heat the butter and olive oil in a large pot over medium-low heat. Add the sliced leeks and cook for 7 to 8 minutes, stirring occasionally, until softened. Keep the heat moderate so the leeks become tender without browning.

- Add the garlic and herbs. Stir in the minced garlic and thyme. Cook for about 30 seconds, just until fragrant. Avoid browning the garlic, as it can develop a bitter taste.

- Simmer the potatoes. Add the diced potatoes, vegetable broth, bay leaf, salt, and black pepper. Stir to combine and bring the mixture to a gentle boil. Reduce the heat, cover partially, and simmer for 15 to 20 minutes, or until the potatoes are completely tender when pierced with a fork.

- Blend until smooth. Remove the bay leaf. Use an immersion blender to blend the soup directly in the pot until smooth and creamy. Alternatively, carefully transfer the soup to a countertop blender in batches, leaving room for steam to escape and following the blender manufacturer’s instructions for hot liquids.

- Add the cream. Stir in the heavy cream and warm the soup gently over low heat for 2 to 3 minutes. Avoid boiling it after adding the cream. Add the lemon juice and taste, adjusting the salt and pepper as needed.

- Garnish and serve. Ladle the soup into warm bowls and sprinkle with chopped fresh chives. Add a little freshly ground black pepper or a small drizzle of cream, if desired. Serve immediately with crusty bread or your favorite side dish.

Notes
- Clean the leeks thoroughly: Dirt often collects between the layers. Slice the leeks before rinsing to make cleaning easier.
- Choose the right potatoes: Yukon Gold potatoes provide a buttery flavor and creamy consistency. Russet potatoes also work well but can produce a starchier texture.
- Adjust the consistency: Add extra vegetable broth if the soup is too thick. For a thicker soup, simmer it uncovered for a few additional minutes before blending.
- Make it vegetarian: Use vegetable broth and check that the broth and other packaged ingredients meet your dietary preferences.
- Make it dairy-free: Replace the butter with additional olive oil and use unsweetened oat cream or cashew cream instead of heavy cream.
Nutrition Information
| Nutrient | Amount |
|---|---|
| Calories | 245 kcal |
| Carbohydrates | 32 g |
| Protein | 5 g |
| Fat | 12 g |
| Fiber | 4 g |
| Sugar | 5 g |
| Sodium | 650 mg |
Easy Ways to Customize Potato Leek Soup
- Roasted Garlic Version: Roast the garlic before adding it to the soup for a milder, sweeter flavor.
- Cheddar Potato Leek Soup: Stir in a small amount of grated sharp cheddar after blending, keeping the heat low until the cheese melts.
- Herb-Forward Soup: Add a little chopped parsley along with the chives for a fresh herbal finish.
- Smoky Variation: Sprinkle smoked paprika over each bowl for a subtle smoky note.
- Chunky Potato Leek Soup: Blend only part of the soup and leave some tender potato pieces intact for a more textured consistency.
- Dairy-Free Version: Use olive oil instead of butter and replace the heavy cream with unsweetened oat cream or cashew cream.
- Mushroom Addition: Sauté sliced mushrooms with the leeks for an earthy variation that complements the potatoes.
More Soup Recipes to Try
- Breakfast Potatoes Recipe
- Keto Lasagna Soup Recipe
- Baked Apple Fritters Recipe
- Long John Silvers Batter Recipe
- Crockpot Tuscan Chicken Recipe
Frequently Asked Questions
- What type of leeks work best for potato leek soup?
Medium to large fresh leeks with firm white bulbs and crisp green leaves are suitable. The white and light green portions are preferred because they have a tender texture and mild flavor. - Can I make potato leek soup without a blender?
Yes. A potato masher can break down the cooked potatoes and soften the overall texture. The result will be more rustic and less silky than a fully blended soup. - Why are my leeks gritty even after washing?
Dirt can remain trapped deep between the leek layers. Slice the leeks first, separate the rings, and rinse them thoroughly under running water before cooking. - Should I peel the potatoes before cooking?
Peeling is recommended for this recipe because it helps produce a smooth, uniform texture. If you prefer a more rustic soup, you can leave the skins on after washing the potatoes thoroughly. - Can I use dried thyme instead of fresh thyme?
Yes. Use 1/2 teaspoon dried thyme in place of the 1 teaspoon fresh thyme leaves specified in the recipe. Add it with the garlic so it has time to release its aroma. - How can I make the soup taste brighter without making it sour?
Add the lemon juice gradually and taste as you go. A small amount can balance the richness of the cream without making the soup noticeably tart. - Is potato leek soup naturally gluten-free?
The main ingredients in this recipe are naturally gluten-free. Check the vegetable broth and any packaged ingredients to ensure they meet your dietary requirements.



