Creamy Potato Leek Soup

Featured in: Daily Home Plates

This classic French preparation transforms humble potatoes and leeks into a luxuriously smooth soup. The vegetables are gently simmered in aromatic broth until meltingly tender, then blended to silky perfection. A touch of cream adds richness while nutmeg provides subtle warmth. Perfect for chilly evenings, this versatile bowl welcomes garnishes from crisp bacon to fresh herbs.

Updated on Wed, 28 Jan 2026 11:31:00 GMT
Creamy Potato Leek Soup simmering with tender Yukon Gold potatoes and leeks, topped with fresh chives and a swirl of cream in a rustic bowl. Save
Creamy Potato Leek Soup simmering with tender Yukon Gold potatoes and leeks, topped with fresh chives and a swirl of cream in a rustic bowl. | freshkhubz.com

Standing at my farmhouse window during a particularly brisk autumn afternoon, I stirred this Potato Leek Soup as the rain tapped gently against the glass. The steam rising from the pot seemed to carry away the chill that had settled into my bones after a morning of garden work. My grandmother had taught me this recipe decades ago, explaining that simple ingredients often create the most memorable flavors. The earthy aroma filling my kitchen that day convinced me she was absolutely right.

Last winter when my sister was recovering from surgery, I brought over a thermos of this potato leek soup. She called me later that evening, her voice noticeably brighter, saying the soup had been the first thing that actually tasted good to her in weeks. We ended up talking for hours that night, the soup somehow breaking through the fog of her recovery and bringing back her appetite and spirit.

Ingredients

  • Leeks (white and light green parts): The backbone of this soup, I learned the hard way to wash them thoroughly by slicing first, then soaking in cold water to let the grit settle at the bottom.
  • Yukon Gold potatoes: Their naturally buttery flavor and creamy texture create the perfect soup base without becoming gluey like some varieties can.
  • Unsalted butter: The slight nuttiness that develops when butter is gently heated creates an aromatic foundation that oil simply cannot match.
  • Whole milk or heavy cream: I usually keep both on hand and decide based on what the day calls for more richness or a lighter finish.
  • Bay leaf: Such a humble ingredient that works quiet magic in the background, lending a subtle complexity that would be noticeably missing without it.

Instructions

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Clean those leeks properly:
Slice your leeks into thin half-moons, then submerge them in a bowl of cold water, gently separating the layers. Watch as the grit sinks to the bottom while the leeks float, then lift them out with your hands rather than dumping through a strainer.
Build your flavor foundation:
Melt the butter in your pot until it foams slightly, then add those cleaned leeks and diced onion. Listen for the gentle sizzle and stir occasionally until they soften and become translucent but not browned, about 7 minutes.
Wake up the garlic:
Add minced garlic and cook just until that distinctive fragrance blooms, about one minute. Any longer and the garlic might burn and turn bitter, which would haunt your entire pot of soup.
Simmer to tenderness:
After adding the potatoes, bay leaf and broth, bring everything to a gentle boil before reducing to a simmer. Cover and let the magic happen as the potatoes soften completely, becoming tender enough to crush easily against the side of the pot.
Transform with your blender:
Remove the bay leaf, then blend until smooth using an immersion blender directly in the pot. The soup will transform before your eyes, changing from chunky to silky in just moments.
Enrich and season:
Stir in your milk or cream, warming gently without boiling to prevent curdling. Season thoughtfully with salt, pepper, and a whisper of nutmeg if you dare a tiny pinch completely transforms the flavor profile.
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Stir sauces, sauté vegetables, and serve meals gently while adding a charming touch to everyday cooking.
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A bowl of velvety Potato Leek Soup garnished with chopped parsley, served alongside crusty bread for a cozy, vegetarian-friendly lunch. Save
A bowl of velvety Potato Leek Soup garnished with chopped parsley, served alongside crusty bread for a cozy, vegetarian-friendly lunch. | freshkhubz.com

One snowy evening, I served this soup with crusty bread to friends who had trudged through a blizzard to reach our house. The conversation fell silent as everyone took their first spoonfuls, then someone sighed audibly with pleasure. That moment of shared contentment, punctuated only by the crackling fireplace and occasional clink of spoons against bowls, reminded me how food creates connections that words sometimes cannot.

Make It Your Own

Some evenings when Im craving something heartier, I dice a few strips of bacon and crisp them in the pot before adding the butter and vegetables, then reserve the crispy bits for topping. The smoky undertones completely transform this gentle soup into something more robust, almost like two different recipes from the same ingredients.

Storage and Reheating

This soup develops even deeper flavor after a night in the refrigerator, something I discovered accidentally when making too much for a dinner party. Store it in an airtight container and it keeps beautifully for up to four days, though the texture might thicken slightly as the starches continue to absorb liquid.

Serving Suggestions

The simplicity of potato leek soup makes it incredibly versatile as either a starter or main course, depending on how you frame it. A smaller portion in delicate bowls with a swirl of cream and sprinkle of chives creates an elegant first course, while a heartier serving alongside a rustic bread and simple salad makes a complete meal.

  • For a casual lunch, serve in mugs with cheese toasts for dipping.
  • Create a soup bar with various toppings like crispy shallots, herb oil, or crumbled cheese to let everyone customize their bowl.
  • Pair with a crisp white wine like Sauvignon Blanc or Pinot Grigio to complement the gentle flavors.
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Homemade Potato Leek Soup blended until smooth, featuring sweet leeks and aromatics, presented in a white ceramic bowl with a wooden spoon. Save
Homemade Potato Leek Soup blended until smooth, featuring sweet leeks and aromatics, presented in a white ceramic bowl with a wooden spoon. | freshkhubz.com

This humble potato leek soup has been my kitchen companion through countless seasons, adapting to whatever life brings. I hope it brings the same comfort to your table as it has to mine.

Recipe FAQs

What makes this soup creamy?

The combination of Yukon Gold potatoes, which naturally break down during cooking, blended with whole milk or heavy cream creates the luxurious texture. The potatoes release starches that thicken the base while immersion blending ensures absolute smoothness.

Can I make this soup ahead of time?

Absolutely. This soup actually develops deeper flavor when made 1-2 days ahead. Store in an airtight container in the refrigerator, then reheat gently over medium-low heat. You may need to add a splash more liquid when reheating as it tends to thicken further.

How do I clean leeks properly?

Leeks often hide grit between their layers. Slice them lengthwise, then into half-moons. Place the sliced leeks in a bowl of cold water, swish vigorously, and let sit for 5 minutes. The grit settles at the bottom while clean leeks float to the top.

What potatoes work best?

Yukon Gold potatoes are ideal because their medium starch content produces creamy results without becoming gluey. Russets also work well if you prefer an even thicker consistency. Avoid waxy potatoes like red or new potatoes as they won't break down sufficiently.

How can I make this dairy-free?

Simply replace the butter with olive oil for sautéing and use coconut milk, cashew cream, or your favorite plant-based milk instead of dairy cream. The soup remains velvety and satisfying while accommodating vegan dietary needs.

Creamy Potato Leek Soup

Rich and comforting blend of potatoes, leeks, and cream finished with aromatic herbs

Prep Time
15 minutes
Cook Time
35 minutes
Overall Time
50 minutes
Created by Amelia Griffin


Skill Level Easy

Cuisine French

Makes 4 Portions

Dietary Details Vegetarian-Friendly, No Gluten

What You Need

Vegetables

01 3 medium leeks (white and light green parts only), cleaned and sliced
02 2 tablespoons unsalted butter
03 1 medium yellow onion, diced
04 3 medium Yukon Gold potatoes, peeled and diced
05 2 cloves garlic, minced

Liquids

01 4 cups low-sodium vegetable broth
02 1 cup whole milk or heavy cream
03 1 bay leaf

Seasonings

01 1 teaspoon salt, or to taste
02 1/2 teaspoon freshly ground black pepper
03 1/4 teaspoon ground nutmeg, optional

Garnish

01 2 tablespoons chopped fresh chives or parsley
02 Drizzle of olive oil or swirl of cream, optional

How To Make It

Step 01

Prepare the leeks: Slice leeks lengthwise, then into thin half-moons. Rinse thoroughly to remove any grit.

Step 02

Sauté the aromatics: In a large pot, melt butter over medium heat. Add leeks and onion, stirring occasionally, until softened but not browned, about 7 minutes.

Step 03

Bloom the garlic: Add minced garlic and cook for 1 minute until fragrant.

Step 04

Build the soup base: Stir in potatoes, bay leaf, and vegetable broth. Bring to a boil, then reduce heat to a simmer. Cover and cook for 20 to 25 minutes, or until potatoes are very tender.

Step 05

Purée the soup: Remove the bay leaf. Using an immersion blender, blend the soup until smooth and creamy. Alternatively, carefully transfer the soup in batches to a blender and purée, then return to the pot.

Step 06

Finish with cream: Stir in milk or cream. Heat gently until warmed through, but do not boil. Season with salt, pepper, and nutmeg if using. Adjust seasoning to taste.

Step 07

Serve: Ladle into bowls and garnish with chives or parsley and a swirl of cream or olive oil if desired.

Tools You Need

  • Large soup pot
  • Chef's knife
  • Cutting board
  • Immersion blender or countertop blender
  • Ladle

Allergen Details

Carefully review ingredients for allergens and check with a health expert if you’re unsure.
  • Contains dairy (butter, milk or cream)
  • For dairy-free or vegan versions, use plant-based alternatives
  • Always check broth and cream labels for hidden allergens

Nutrition Per Serving

Nutritional info is for general reference only and isn’t a substitute for qualified advice.
  • Calories: 260
  • Fats: 9 g
  • Carbohydrates: 39 g
  • Proteins: 6 g