Warm, creamy and comforting. This Classic French Potato Leek Soup Recipe is perfect for cold days and cozy dinners. It is simple, healthy and full of natural flavor.
Soft potatoes blend with sweet leeks to create a smooth, rich soup. This dish is loved in French kitchens for a reason. If you want comfort food that feels special, this is it.
Learn how to make Classic French Potato Leek Soup using simple steps and easy ingredients for Classic French Potato Leek Soup at home.
The Secret Behind This Delicious
The secret of this soup is slow cooking and simple ingredients. Leeks become sweet and soft when cooked gently. Potatoes add natural creaminess without heavy cream. Butter adds rich flavor.
Light seasoning keeps the taste clean and fresh. Everything blends into a smooth, silky soup that feels rich but light. This balance is what makes French potato leek soup special and loved around the world.

Recipe Card
- Recipe Name: Classic French Potato Leek Soup
- Servings: 4
- Prep Time: 15 mins
- Cook Time: 30 mins
- Total Time: 45 mins
- Course: Soup / Main
- Cuisine: French
- Calories: 220 kcal per serving
Equipment List
- Large soup pot
- Knife
- Cutting board
- Blender or immersion blender
- Wooden spoon
- Measuring cups and spoons
- Ladle
- Stove
Ingredients You Need for Classic French Potato Leek Soup
- 3 medium potatoes, peeled and chopped
- 2 large leeks, cleaned and sliced
- 1 small onion, chopped
- 2 tbsp butter
- 3 cups vegetable broth or chicken broth
- 1 cup milk or light cream
- ½ tsp salt
- ¼ tsp black pepper
- ½ tsp garlic powder
- Fresh parsley or chives for garnish
Instructions
- Prepare the vegetables
Wash leeks well. Slice leeks, chop potatoes and onions. Keep everything ready before cooking. - Melt the butter
Place a large pot on medium heat. Add butter and let it melt gently. - Cook onion and leeks
Add onion and leeks to the pot. Cook slowly until soft and fragrant. - Add potatoes
Put chopped potatoes into the pot. Stir well to coat with butter. - Pour broth
Add vegetable or chicken broth. Make sure vegetables are fully covered. - Simmer the soup
Cover the pot. Let soup simmer for 25–30 minutes until potatoes are very soft. - Blend the soup
Use a blender or immersion blender. Blend until smooth and creamy. - Add milk and seasoning
Pour in milk, salt, pepper and garlic powder. Stir gently and heat again. - Taste and adjust
Taste the soup. Add more salt or pepper if needed. - Serve warm
Pour into bowls. Garnish with parsley or chives. Serve hot and fresh.
Expert Tips & Variations
- Use Yukon gold potatoes for extra creaminess.
- Add cream instead of milk for richer texture.
- Add a bay leaf while simmering for deeper flavor.
- Blend only half for a chunky texture version.
- Add crispy bacon bits for a non-vegetarian twist.
- Serve cold as Vichyssoise for summer days.
Nutrition Information
| Nutrient | Per Serving |
|---|---|
| Calories | 220 kcal |
| Carbohydrates | 28 g |
| Protein | 5 g |
| Fat | 10 g |
| Saturated Fat | 5 g |
| Fiber | 3 g |
| Sugar | 4 g |
Serving Suggestions
Serve this soup with crusty bread, garlic toast or buttered rolls. Pair it with a fresh salad for a light meal. It also tastes great with grilled cheese sandwiches. For dinner, serve it as a starter before a main dish.
Storage & Reheating Tips
Store soup in an airtight container in the fridge for up to 3 days. Reheat on the stove over low heat. Stir often to prevent sticking. You can also microwave it in short intervals. This soup freezes well for up to 1 month. Thaw and reheat gently.

Classic French Potato Leek Soup Recipe
Ingredients
- 3 medium potatoes peeled and chopped
- 2 large leeks cleaned and sliced
- 1 small onion chopped
- 2 tbsp butter
- 3 cups vegetable broth or chicken broth
- 1 cup milk or light cream
- ½ tsp salt
- ¼ tsp black pepper
- ½ tsp garlic powder
- Fresh parsley or chives for garnish
Instructions
Prepare the vegetables
- Wash leeks well. Slice leeks, chop potatoes and onions. Keep everything ready before cooking.
Melt the butter
- Place a large pot on medium heat. Add butter and let it melt gently.
Cook onion and leeks
- Add onion and leeks to the pot. Cook slowly until soft and fragrant.
Add potatoes
- Put chopped potatoes into the pot. Stir well to coat with butter.
Pour broth
- Add vegetable or chicken broth. Make sure vegetables are fully covered.
Simmer the soup
- Cover the pot. Let soup simmer for 25–30 minutes until potatoes are very soft.
Blend the soup
- Use a blender or immersion blender. Blend until smooth and creamy.
Add milk and seasoning
- Pour in milk, salt, pepper and garlic powder. Stir gently and heat again.
Taste and adjust
- Taste the soup. Add more salt or pepper if needed.
Serve warm
- Pour into bowls. Garnish with parsley or chives. Serve hot and fresh.
Notes
- Use Yukon gold potatoes for extra creaminess.
- Add cream instead of milk for richer texture.
- Add a bay leaf while simmering for deeper flavor.
- Blend only half for a chunky texture version.
- Add crispy bacon bits for a non-vegetarian twist.
- Serve cold as Vichyssoise for summer days.
FAQs about Classic French Potato Leek Soup
Q1: Can I make this soup vegan?
Yes. Use plant-based butter and vegetable broth. Replace milk with almond milk or oat milk. It stays creamy and delicious.
Q2: Can I use only leeks without onions?
Yes. Leeks alone work well. The soup will taste softer and slightly sweeter.
Q3: Why is my soup not creamy?
Your potatoes may be low starch. Blend longer or add a little cream for smooth texture.
Q4: Can I add herbs to this soup?
Yes. Thyme and bay leaf add nice flavor. Remove whole herbs before blending.
Q5: Is this soup good for meal prep?
Yes. It stores well and reheats easily. The flavor becomes even better the next day.
Conclusion
This Classic French Potato Leek Soup Recipe is simple, comforting and full of natural flavor. It uses basic ingredients and easy steps.
The result is a smooth, creamy soup that feels warm and satisfying. Perfect for lunch, dinner or cozy evenings.
If you want a healthy and classic French dish, this is the perfect choice. Try it today and enjoy homemade comfort in every spoon.

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