Vichyssoise Recipe (Classic Chilled French Leek and Potato Soup)
If you’ve never made vichyssoise before, here’s your sign to start. This classic French potato leek soup is served cold, takes less than an hour of active work, and delivers a bowl of something that feels genuinely elegant. It’s one of those easy soup recipes that looks far more impressive than the effort involved.
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This creamy vichyssoise recipe uses Yukon Gold potatoes, sweet tender leeks, and a sour cream and heavy cream finish that gives it that unmistakably silky, luxurious texture. Make it a day ahead, pull it from the fridge when you’re ready, and dinner (or a dinner party starter) is done.
What Is Vichyssoise?
Vichyssoise, also misspelled vichysoisse, (pronounced vee-shee-SWAZ) is a classic French potato leek soup served cold. It’s typically made with leeks, potatoes, cream, and broth, then blended until completely smooth and chilled before serving.
Despite its refined French name, it’s a surprisingly approachable recipe. The ingredients are simple and humble: leeks, potatoes, garlic, cream, and the process is mostly hands-off simmering and blending. Think of it as the cold soup version of a great potato leek soup.
Why You Will Love This Recipe
- Make-ahead friendly. Vichyssoise needs to chill before serving, which means it’s actually better prepared the day before. Perfect for busy families or dinner party planning.
- Five main ingredients. Leeks, potatoes, garlic, broth, and cream. That’s the soul of the recipe.
- Elegant but easy. It looks like something from a French bistro menu. It’s actually a one-pot recipe that takes 45 minutes to cook.
- A perfect summer soup. When you want something satisfying but not heavy, a cold, creamy bowl of vichyssoise hits every note.
- Easy to adapt. Swap in vegetable broth and coconut cream for a vegan vichyssoise that’s just as luscious.
Ingredients
You’ll find the full ingredient list in the recipe card below. A few notes worth knowing before you start:
- Leeks: Use the white and very light green parts only, as the darker green tops are too fibrous and can make the soup bitter. Cleaning them properly matters too. Slice first, then swish thoroughly in a bowl of cold water to remove the grit that hides between the layers. Lift them out rather than draining so the dirt stays at the bottom.
- Potatoes: Yukon Golds are the right call here. They blend up naturally creamy and buttery without turning gluey the way russets can.
- Butter and olive oil together: Cooking the leeks in both gives you better flavor depth, and the olive oil keeps the butter from burning at medium heat.
- Sour cream: This is what sets this vichyssoise apart from a standard potato leek soup. It adds a subtle tang and extra body that heavy cream alone doesn’t give you.
- Chicken broth: Use vegetable broth to keep it vegetarian or to make a vegan vichyssoise.
How To Make Vichyssoise
Step 1: Soften the Leeks
Melt the butter with the olive oil in a large, high-sided pot or Dutch oven over medium heat. Add the garlic and sliced leeks and cook, stirring occasionally, for about 4-5 minutes until the leeks are tender and silky. Keep the heat moderate, you want them soft and fragrant, not browned.
Step 2: Add Potatoes and Broth
Add the diced Yukon Gold potatoes and chicken broth to the pot. Increase the heat to bring everything to a rapid boil, then immediately reduce to just below medium. Loosely cover and simmer for 25-30 minutes, until the potatoes are completely fork-tender.
Step 3: Blend Until Smooth
Remove the pot from the heat and let it cool for a few minutes. Working in batches, carefully transfer the contents to a high-powered blender. Blend on high for 1-2 minutes until completely, perfectly smooth.
Step 4: Make the Cream Mixture
Whisk the sour cream and heavy cream together in a medium bowl. Season with salt and pepper and set aside.
Blender safety: Never fill a blender more than halfway with hot liquid. Hold the lid down firmly with a folded kitchen towel, and start on the lowest speed before increasing.
Step 5: Temper the Cream
Here’s a step that makes a real difference: tempering. Add 2-3 tablespoons of the warm soup puree to your sour cream mixture and stir to combine before adding it all back to the pot. This prevents the cream from curdling or separating when it meets the hot soup.
Step 6: Chill and Serve
Stir the tempered cream mixture back into the soup. Season with additional salt and pepper as needed. Allow the soup to cool to room temperature, then transfer to an airtight container and refrigerate for at least 3 hours, or overnight.
Tips for the Best Vichyssoise
- Use Yukon Gold potatoes. Russets will work in a pinch, but Yukons give a naturally creamier texture and a more buttery flavor.
- Don’t rush the chill. Overnight is ideal. The flavor deepens and the texture settles beautifully after a full chill.
- Season after chilling. Cold mutes flavors. Taste the soup once it’s fully chilled and adjust salt and pepper before serving.
- High-powered blender over immersion blender. An immersion blender will work, but for the truly silky, restaurant-quality texture that makes this recipe shine, a countertop blender is worth the extra step.
- Make it dairy-free. Swap the butter for olive oil, the sour cream for full-fat coconut cream or cashew cream, and the heavy cream for additional coconut cream. The result is a beautifully rich vegan vichyssoise that tastes just as indulgent.
What to Serve With Vichyssoise
This cold soup works beautifully as a starter or a light main. A few pairing ideas:
- Crusty bread or a baguette for dipping and scooping.
- A simple green salad to keep things fresh and light.
- Chilled white wine. A Chardonnay or Sauvignon Blanc pairs classically well. Perfect for a warm-weather dinner.
- Topped with crispy shallots or croutons for a little texture contrast.
Variations
- Vegan Vichyssoise: Replace the butter with olive oil, the chicken broth with vegetable broth, and the sour cream and heavy cream with full-fat coconut cream. Blend and chill as per this recipe.
- Loaded Potato Vichyssoise: After chilling, top with crispy bacon bits, shredded cheddar, extra sour cream, and chives. All the flavors of a loaded baked potato in cold soup form.
- Herb Swirl: Blend a handful of fresh parsley or chives into a portion of the soup before chilling for a beautiful green swirl effect.
- Spiced Version: A pinch of white pepper and a small amount of freshly grated nutmeg added before blending adds warmth and a subtle complexity.
Recipe FAQs
It’s mildly sweet, creamy, and savory with a subtle tang from the sour cream. The leeks give it a delicate onion flavor that’s much gentler than if you were to use regular onions. It tastes rich and elegant without being heavy.
Technically yes, and at that point it becomes potato leek soup. But the cold version is the classic, and it’s worth experiencing as intended — the chilling process actually deepens and mellows the flavors in a way that warm versions don’t achieve.
They share the same base ingredients, but vichyssoise is blended completely smooth and served cold. Potato leek soup is typically served hot and may be left chunky or partially blended.
Yes, and it’s actually better that way. Make it up to 2 days in advance and keep it refrigerated in an airtight container. Add the chive garnish just before serving.
Store leftovers in an airtight container in the refrigerator for up to 3 days. Stir well before serving as the cream can settle slightly. This soup does not freeze well, as the dairy tends to separate upon thawing.
Yukon Gold is strongly recommended for the best texture and flavor. Russet potatoes can be used but may produce a slightly starchier, gluey texture if over-blended. Red potatoes are not ideal for this recipe.
Tried this Vichyssoise (Classic Chilled Leek & Potato Soup)? I’d love to hear what you think! Please leave a comment below and give the recipe a star rating so others can find it too.
Equipment
- Large high-sided skillet or pot
- Cutting board and knife
- Blender (high-powered)
- Ladle
Ingredients
- 3 tablespoon unsalted butter
- 3 tablespoon extra virgin olive oil
- 1-2 large garlic cloves finely minced
- 3 large leeks white and very light green parts only, sliced
- Sea salt and black pepper to taste
- 4 cup Yukon Gold potatoes peeled and diced
- 2 cup chicken broth
- ⅔ cup sour cream
- ⅓ cup heavy cream
- 3 tablespoon fresh chives finely chopped
Instructions
- Add butter, olive oil, garlic, and sliced leeks to a large skillet or pot over medium heat. Cook gently for about 4 to 5 minutes, stirring occasionally, until the leeks are soft. Do not let them brown.
- Add diced potatoes and chicken broth. Increase heat and bring to a boil, then reduce heat to a gentle simmer. Cover loosely and cook for 25 to 30 minutes until the potatoes are fork tender.
- In a separate bowl, combine sour cream and heavy cream. Season lightly with salt and black pepper, then stir until smooth. Set aside.
- Remove the soup from heat and let it cool slightly. Working in batches, transfer the mixture to a blender, filling it no more than one-third full. Blend until completely smooth.
- Transfer the blended soup to a large bowl and repeat with the remaining mixture.
- Temper the cream mixture by stirring in 2 to 3 tablespoon of the warm soup. Mix well.
- Add the tempered cream mixture back into the soup and stir until fully combined. Taste and adjust seasoning if needed.
- Let the soup cool completely, then transfer to an airtight container and refrigerate for at least 3 hours or until fully chilled. Serve cold, garnished with chopped fresh chives.
Notes
- When blending hot liquids, always fill the blender no more than one-third full and allow steam to escape to avoid pressure buildup.
- Use only the white and pale green parts of the leeks for the best flavor and texture.
- This soup thickens as it chills, so you can thin it slightly with a splash of broth if needed before serving.
- Chill overnight for the best flavor development.
Nutrition
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