Creamy Potato Leek Soup

Featured in: Weeknight Dinners

This traditional French preparation transforms humble potatoes and leeks into an elegant, velvety bowl. The combination of butter-sautéed vegetables creates depth, while Yukon Gold potatoes deliver natural creaminess without heavy thickening agents. A gentle simmer coaxes out the vegetables' natural sweetness, resulting in a smooth, luxurious texture. The addition of cream or milk adds richness, though the base remains satisfyingly flavorful on its own. Perfect for cold weather or when you crave something nourishing yet refined.

Updated on Wed, 28 Jan 2026 12:17:00 GMT
Creamy Potatoes Leek Soup is ladled hot into a white bowl, garnished with fresh chives and a drizzle of cream for a comforting French classic. Save to Pinterest
Creamy Potatoes Leek Soup is ladled hot into a white bowl, garnished with fresh chives and a drizzle of cream for a comforting French classic. | rapidskillet.com

The first time I made potato leek soup was after a chilly farmers market trip that left my fingers numb but my basket full of dirt-flecked leeks and golden potatoes. Standing in my kitchen, watching steam rise from the pot as the vegetables simmered together, I realized this humble soup somehow transformed the simplest ingredients into something that felt like a warm hug. The gentle aroma filled every corner of my small apartment, making even the creaky old radiator seem charming that evening.

Last winter, my neighbor slipped on ice and broke her ankle, so I packed up a thermos of this potato leek soup and brought it over. We sat at her kitchen table, steam fogging up her glasses as she took the first spoonful, and her eyes widened with that look that needs no words. Sometimes comfort comes in liquid form, and watching someone take that first taste of something you've made with care might be one of life's purest joys.

Ingredients

  • Leeks: The unsung heroes that give this soup its soul, with just the right balance of sweetness and mild onion flavor, but please take the time to rinse them properly or you might end up with a gritty surprise.
  • Yukon Gold potatoes: These buttery-fleshed spuds break down just enough to create creaminess while maintaining some body, something I discovered after a disappointing batch with russets that turned too gluey.
  • Whole milk or heavy cream: The splash added at the end creates that silky mouthfeel that makes you close your eyes when you taste it, though I sometimes use half-and-half when thats what I have on hand.
  • Bay leaf: This unassuming little leaf works quiet magic as the soup simmers, adding a depth that you cant quite put your finger on but would definitely miss if it wasnt there.
  • Fresh chives: That bright pop of green and subtle onion flavor cuts through the creaminess and reminds you that spring always follows winter.

Instructions

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Prep those leeks with care:
Slice your leeks lengthwise first, then into thin half-moons before giving them a thorough bath in cold water to release any hidden grit. Watch how the dirt sinks to the bottom while the leeks float, its like kitchen magic.
Create the flavor foundation:
As butter melts in your pot, add those cleaned leeks and diced onion, letting them slowly soften until they become translucent and sweet. Youll know theyre ready when your kitchen fills with a gentle, savory perfume that makes you lean closer to the pot.
Build your soup base:
After the garlic has had its quick minute to bloom its aroma, in go the potatoes, bay leaf, and broth, creating the heart of your soup. This is when I usually pour myself a small glass of wine and settle in for the simmer.
Transform through blending:
Once potatoes yield easily to the press of a fork, remove that bay leaf and blend until the texture feels like velvet. I prefer leaving just a bit of texture rather than going completely smooth, but follow your heart here.
Finish with care:
Stirring in the milk or cream is the moment your soup becomes something special, watching the color lighten as you create swirls of dairy through the golden base. Keep the heat gentle now, like youre introducing shy friends at a party, just warm enough to meld but never boil.
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Prepare wholesome dog meals by mixing with warm water for easy serving and homemade-style feeding.
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A close-up of silky Potatoes Leek Soup shows chopped chives and an optional olive oil swirl, steaming gently next to crusty bread for dipping. Save to Pinterest
A close-up of silky Potatoes Leek Soup shows chopped chives and an optional olive oil swirl, steaming gently next to crusty bread for dipping. | rapidskillet.com

One evening during a power outage, I served this soup by candlelight, the flickering flames catching the steam rising from each bowl. My usually chatty friends fell into a comfortable silence, punctuated only by the clink of spoons and murmured appreciation. In that moment, I understood how simple food, made with attention, creates a sanctuary of sorts, a brief retreat from the noise of everyday life.

Seasonal Variations

In spring, I often lighten this soup with a handful of fresh peas and a squeeze of lemon juice, bringing brightness to match the longer days. Summer calls for a chilled version, perhaps with a swirl of herb oil made from whatever is threatening to overtake my garden. Fall welcomes a sprinkle of crispy pancetta and a drizzle of sage brown butter. Winter sees me adding a pinch of smoked paprika and serving it alongside crusty sourdough slathered with salted butter.

Make It Your Own

This soup befriends almost any herb you introduce to it, though thyme and I once had a disagreement when I added too much and turned what should have been comforting into something that tasted medicinal. For a dairy-free version that doesnt sacrifice creaminess, coconut milk works surprisingly well, lending a subtle sweetness that plays nicely with a pinch of curry powder. When I want more substance, a handful of cooked farro or barley transforms this from a starter into a meal that keeps me satisfied through a long afternoon.

Serving Suggestions

Ive discovered that potato leek soup makes friends easily with many accompaniments, from a simple green salad dressed with sharp vinaigrette to a crusty baguette that begs to be torn rather than sliced. The leftover soup, thickened after a night in the refrigerator, can be transformed into an impromptu sauce for pan-seared fish or roasted vegetables, bringing new life to what might otherwise feel like a repetitive meal.

  • Serve in warmed bowls to keep the soup hot longer, especially on those evenings when conversation flows and eating becomes secondary.
  • A small dish of extra garnishes lets everyone customize their bowl, creating a sense of participation even in a simple weeknight meal.
  • Remember that bread for dipping is non-negotiable in my house, as the last spoonfuls mingled with crusty bread might be the best part of the entire experience.
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Smooth Potatoes Leek Soup served in a rustic ceramic bowl, topped with fresh parsley, ready to enjoy as a cozy vegetarian dinner side. Save to Pinterest
Smooth Potatoes Leek Soup served in a rustic ceramic bowl, topped with fresh parsley, ready to enjoy as a cozy vegetarian dinner side. | rapidskillet.com

This potato leek soup has taught me that cooking isnt always about complexity or novelty, but sometimes about honoring tradition and finding comfort in the familiar. I hope it brings as much warmth to your table as it has to mine.

Recipe FAQs

What type of potato works best?

Yukon Gold potatoes are ideal for their naturally creamy texture and buttery flavor. They break down beautifully during simmering, creating smooth consistency without needing excessive cream. Russets also work well if you prefer an even silkier result.

Can I make this ahead of time?

Absolutely. This actually improves after sitting overnight as flavors meld together. Store in an airtight container in the refrigerator for up to 4 days. Reheat gently over low heat, adding a splash of liquid if needed.

How do I clean leeks properly?

Slice leeks lengthwise, then cut into half-moons. Place in a bowl of cold water and swish vigorously, letting grit settle to the bottom. Lift leeks out carefully, leaving dirt behind. Repeat until water runs clear.

Can I freeze this?

Yes, though the texture may change slightly. Freeze without cream for best results. Thaw overnight in the refrigerator, then reheat and stir in cream just before serving. Use within 3 months for optimal quality.

What can I serve with this?

Crusty bread, baguette slices, or garlic crostini are perfect for dipping. A simple green salad with vinaigrette balances the richness. For a complete meal, add a quiche or grilled cheese sandwich.

Creamy Potato Leek Soup

Silky smooth French classic featuring tender potatoes and leeks in a rich, comforting broth ready in 50 minutes.

Time to Prep
15 minutes
Time to Cook
35 minutes
Total Duration
50 minutes
Shared by Ethan Wilson


Skill Level Easy

Cuisine French

Makes 4 Portions

Diet Details Meat-Free, Wheat-Free

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 under cold water to remove any grit between layers.

Step 02

Sauté Leeks and Onion: Melt butter in a large pot over medium heat. Add leeks and onion, stirring occasionally, until softened but not browned, approximately 7 minutes.

Step 03

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

Step 04

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

Step 05

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

Step 06

Finish with Cream: Stir in milk or cream. Heat gently until warmed through without boiling. Season with salt, pepper, and nutmeg if desired. Adjust seasoning to taste.

Step 07

Serve: Ladle into bowls and garnish with fresh chives or parsley. Optionally drizzle with cream or olive oil.

Tools You’ll Need

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

Allergy Info

Review all items for allergens. When unsure, ask a healthcare provider.
  • Contains dairy: butter, milk, and cream
  • Check vegetable broth and cream labels for hidden allergens and gluten
  • Use plant-based alternatives for dairy-free or vegan accommodations

Nutrition Details (per portion)

For informational use only. Always follow your doctor's advice.
  • Energy: 260
  • Fats: 9 grams
  • Carbohydrates: 39 grams
  • Proteins: 6 grams