This Julia Child’s Creamy Potato Leek Soup is a delightful dish that warms the heart and satisfies the soul. This comforting soup is perfect for any occasion, whether as an elegant appetizer or a hearty main course. With its velvety texture and rich flavors, it stands out with simple ingredients that come together in a symphony of taste. Easy to prepare, this recipe invites you to explore the wonderful world of French cuisine right in your kitchen.
Why You’ll Love This Recipe
- Quick Preparation: With just 10 minutes of prep time, you can whip up this delicious soup in no time.
- Rich Flavor: The combination of sautéed leeks and creamy potatoes creates a depth of flavor that is both satisfying and comforting.
- Versatile Serving Options: Enjoy it as an appetizer, lunch, or even dinner. It pairs excellently with crusty bread or salad.
- Healthy Ingredients: Packed with wholesome vegetables and nutrients, this soup is as nourishing as it is delicious.
- Make-Ahead Friendly: Prepare in advance and store in the fridge for quick meals throughout the week.
Tools and Preparation
Having the right tools makes cooking easier and more enjoyable. For this recipe, you’ll need some essential kitchen equipment to achieve the best results.
Essential Tools and Equipment
- Immersion blender
- Medium pot
- Cutting board
- Chef’s knife
Importance of Each Tool
- Immersion blender: This tool helps blend the soup directly in the pot, making it convenient without needing to transfer hot liquids.
- Medium pot: The ideal size for cooking down the vegetables and simmering them until perfectly tender.
- Cutting board: A stable surface that protects your countertops while making chopping safe and easy.
- Chef’s knife: A versatile knife perfect for slicing leeks and chopping potatoes quickly.

Ingredients
This creamy potato leek soup is easy to make with just a handful of ingredients! Including sautéed leeks, creamy potatoes, and a touch of cream that is blended until velvety smooth. Nutritional Information and serving size is (1) cup or 8 ounces.
For the Soup
- 2 tablespoons olive oil (+ more for garnish)
- 2 tablespoons unsalted butter
- 1 pound Yukon gold potatoes (peeled and chopped into 1/2 inch cubes)
- 2-3 medium leeks (cut in half, sliced and cleaned well)
- 1 teaspoon Kosher salt (to taste)
- 1/2 teaspoon ground black pepper (+ more for garnish)
- 5 cups vegetable stock
- 1/2 cup heavy cream
- Fresh thyme leaves (removed from stem, for garnish)
How to Make Julia Child’s Creamy Potato Leek Soup
Step 1: Sauté the Leeks
Bring a medium pot to medium heat and add butter and olive oil. Once melted, add the leeks and sauté for 5-7 minutes until softened but not caramelized.
Step 2: Add Potatoes
Add the cubed potatoes to the pot. Season with salt and pepper to enhance their flavor.
Step 3: Simmer
Pour in enough vegetable stock to completely cover the vegetables. Cover with a lid, leaving a small opening, then bring to a strong simmer.
Step 4: Cook Until Tender
Cook the potato leek soup until the potatoes are incredibly tender, about 35 minutes. Keep an eye on it to ensure it simmers gently.
Step 5: Blend Smooth
Once done cooking, turn off the heat. Use an immersion blender or high-powered blender to blend the soup until incredibly smooth.
Step 6: Add Cream
Pour in the heavy cream and stir well to mix it into the soup evenly.
Step 7: Serve & Garnish
Ladle the soup into bowls. Garnish with fresh thyme leaves, a drizzle of olive oil, and additional grating of black pepper for an extra touch of flavor.
How to Serve Julia Child’s Creamy Potato Leek Soup
Serving Julia Child’s Creamy Potato Leek Soup can elevate your dining experience. This velvety soup can be enjoyed in various ways, ensuring every bowl delights your guests.
Garnish Ideas
- Fresh Herbs: Add a sprinkle of fresh thyme leaves or chives for an aromatic finish.
- Olive Oil Drizzle: A light drizzle of high-quality olive oil enhances the flavors and adds a touch of elegance.
- Cracked Black Pepper: Freshly ground black pepper can provide an extra kick and enhance the dish’s color.
Accompaniments
- Crusty Bread: Serve with a slice of warm, crusty bread for dipping and soaking up the creamy goodness.
- Salad: A light green salad with vinaigrette offers a refreshing contrast to the rich soup.
- Cheese Platter: Pair with mild cheeses such as Brie or goat cheese for added flavor complexity.
Presentation Tips
- Stylish Bowls: Use white or brightly colored bowls to make the green hues of the soup pop visually.
- Serve Warm: Ensure the soup is served hot to maintain its creamy texture and rich taste.
How to Perfect Julia Child’s Creamy Potato Leek Soup
Perfecting Julia Child’s Creamy Potato Leek Soup involves attention to detail and technique. Here are some tips to help you achieve the best results.
- Use Fresh Ingredients: Always opt for fresh leeks and Yukon gold potatoes for superior flavor and texture.
- Cook Slowly: Sauté the leeks slowly on medium heat to enhance their sweetness without browning them.
- Blend Thoroughly: For a truly smooth texture, blend the soup thoroughly using an immersion blender or traditional blender.
- Adjust Seasoning: Taste before serving; adjust salt and pepper as needed to suit your palate.
- Incorporate Broth Gradually: Add vegetable stock gradually to control thickness; you can always add more if needed.
Best Side Dishes for Julia Child’s Creamy Potato Leek Soup
Complementing Julia Child’s Creamy Potato Leek Soup with side dishes can bring balance to your meal. Here are some great options that pair well.
- Simple Green Salad: A mix of leafy greens with a light lemon vinaigrette adds freshness to every bite.
- Herbed Croutons: Toasted bread cubes seasoned with herbs provide crunch and texture contrast against the creamy soup.
- Roasted Vegetables: Seasonal roasted vegetables add color, flavor, and nutrition; think carrots, zucchini, or bell peppers.
- Stuffed Mushrooms: Savory stuffed mushrooms filled with garlic and herbs make a delightful finger food option.
- Cheesy Garlic Bread: Slices of bread topped with garlic butter and cheese, baked until golden brown, are irresistible alongside soup.
- Quinoa Pilaf: A light quinoa pilaf with herbs gives protein power while keeping it healthy and satisfying.
Common Mistakes to Avoid
When making Julia Child’s Creamy Potato Leek Soup, it’s easy to make a few common mistakes that can affect the final result. Here are some pitfalls to watch out for:
- Overcooking the leeks: Sautéing leeks too long can lead to a caramelized flavor instead of the soft, subtle taste desired. Cook them just until soft.
- Ignoring potato size uniformity: If the potato pieces are unevenly chopped, they will cook at different rates. Cut them into uniform 1/2 inch cubes for even cooking.
- Using too little stock: Not covering the vegetables with enough stock will lead to a thick, paste-like consistency. Always ensure vegetables are submerged in stock while cooking.
- Skipping blending completely: Failing to blend until smooth results in a chunky texture. Use an immersion blender or regular blender for that creamy finish.
- Not seasoning properly: Under-seasoning can leave the soup bland. Taste and adjust salt and pepper throughout the cooking process.
- Neglecting garnishes: Skipping fresh thyme and olive oil as garnishes misses an opportunity for added flavor and visual appeal. Don’t forget those final touches!

Storage & Reheating Instructions
Refrigerator Storage
- Store in airtight containers for up to 3-4 days.
- Allow the soup to cool completely before refrigerating.
Freezing Julia Child’s Creamy Potato Leek Soup
- Freeze in freezer-safe containers or bags for up to 3 months.
- Leave some space at the top of containers as soup expands when frozen.
Reheating Julia Child’s Creamy Potato Leek Soup
- Oven: Preheat oven to 350°F (175°C) and heat soup in an oven-safe dish for about 20 minutes.
- Microwave: Heat in a microwave-safe bowl on high for 2-3 minutes, stirring halfway through.
- Stovetop: Pour soup into a saucepan and heat over medium-low heat, stirring occasionally until warmed through.
Frequently Asked Questions
Here are some common questions about Julia Child’s Creamy Potato Leek Soup:
What makes Julia Child’s Creamy Potato Leek Soup special?
This soup is special due to its rich, creamy texture and the delicate flavor of leeks combined with potatoes. It embodies comfort food with French elegance.
Can I make this soup vegan?
Yes! Substitute heavy cream with coconut cream or a plant-based cream alternative to achieve a similar creamy texture without dairy.
How do I thicken my potato leek soup?
If you prefer a thicker consistency, you can add more potatoes or blend more of the cooked mixture before adding cream.
What can I serve with Julia Child’s Creamy Potato Leek Soup?
This soup pairs wonderfully with crusty bread or a fresh side salad for a complete meal.
How long does this soup last in the fridge?
Julia Child’s Creamy Potato Leek Soup lasts 3-4 days in an airtight container when stored properly in the refrigerator.
Final Thoughts
Julia Child’s Creamy Potato Leek Soup is not only comforting but also incredibly versatile. You can customize it by adding other vegetables like carrots or celery, or adjust seasoning according to your taste preferences. Whether served as an appetizer or main dish, this soup is sure to please everyone at your table!
Julia Child’s Creamy Potato Leek Soup
Indulge in the warmth of Julia Child’s Creamy Potato Leek Soup, a classic French delight that is both comforting and luxurious. Richly flavored with sautéed leeks and creamy potatoes, this soup embodies the essence of French cuisine while being incredibly simple to prepare. Perfect for a cozy dinner or an elegant appetizer, it invites you to enjoy the silky texture and wholesome ingredients that come together effortlessly in your kitchen. Whether paired with crusty bread or a fresh salad, this soup is sure to impress and satisfy any palate.
- Prep Time: 10 minutes
- Cook Time: 35 minutes
- Total Time: 45 minutes
- Yield: Serves 4
- Category: Soup
- Method: Simmering
- Cuisine: French
Ingredients
- 2 tablespoons olive oil
- 2 tablespoons unsalted butter
- 1 pound Yukon gold potatoes (peeled and chopped)
- 2–3 medium leeks (sliced and cleaned)
- 5 cups vegetable stock
- 1/2 cup heavy cream
- Salt and pepper to taste
Instructions
- In a medium pot over medium heat, melt the butter and olive oil. Add the sliced leeks and sauté for 5-7 minutes until softened but not browned.
- Stir in the cubed Yukon gold potatoes, seasoning them with salt and pepper.
- Pour in enough vegetable stock to cover the vegetables completely. Cover partially with a lid and bring to a gentle simmer.
- Cook until the potatoes are tender, about 35 minutes, ensuring they simmer gently.
- Turn off the heat and blend until smooth using an immersion blender.
- Stir in the heavy cream until well combined.
- Ladle into bowls and garnish with fresh thyme leaves, a drizzle of olive oil, and cracked black pepper.
Nutrition
- Serving Size: 1 cup
- Calories: 250
- Sugar: 2g
- Sodium: 650mg
- Fat: 15g
- Saturated Fat: 7g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 4g
- Protein: 4g
- Cholesterol: 40mg



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