Potato leek soup is a classic comfort food that combines the earthy flavors of potatoes and the subtle sweetness of leeks. This creamy and hearty soup is perfect for a cozy night in or as a starter for a larger meal. It's simple to make and incredibly satisfying.
If you don't usually cook with leeks, you might need to look for them in the produce section of your supermarket. They resemble large green onions and have a mild, sweet flavor. Make sure to clean them thoroughly as they can harbor dirt between their layers.

Ingredients For Potato Leek Soup Recipe
Potatoes: These form the base of the soup, providing a creamy texture and earthy flavor.
Leeks: These add a subtle sweetness and depth of flavor to the soup. Make sure they are well-cleaned.
Chicken broth: This adds a rich, savory base to the soup. You can use vegetable broth as a substitute.
Heavy cream: This makes the soup rich and creamy. You can use half-and-half for a lighter version.
Butter: Used to sauté the leeks, adding a rich, buttery flavor.
Salt: Enhances the overall flavor of the soup. Adjust to taste.
Black pepper: Adds a bit of heat and depth to the soup. Adjust to taste.
Technique Tip for This Recipe
When preparing the leeks, make sure to clean them thoroughly as they can harbor dirt and grit between their layers. Slice the leeks lengthwise and rinse them under cold running water, separating the layers to ensure all debris is removed. This will prevent any unwanted texture or taste in your soup.
Suggested Side Dishes
Alternative Ingredients
potatoes - Substitute with cauliflower: Cauliflower provides a similar creamy texture when pureed and is lower in carbs.
leeks - Substitute with onions: Onions offer a similar flavor profile and are more readily available.
chicken broth - Substitute with vegetable broth: Vegetable broth is a great option for vegetarians and offers a similar depth of flavor.
heavy cream - Substitute with coconut milk: Coconut milk provides a creamy texture and is a good dairy-free alternative.
butter - Substitute with olive oil: Olive oil is a healthier fat option and works well for sautéing.
salt - Substitute with soy sauce: Soy sauce adds a salty flavor along with a bit of umami.
black pepper - Substitute with white pepper: White pepper offers a similar heat without altering the color of the soup.
Other Alternative Recipes Similar to This Soup
How to Store / Freeze This Soup
- Allow the potato leek soup to cool to room temperature before storing. This prevents condensation and maintains the soup's texture.
- Transfer the cooled soup into airtight containers. For optimal freshness, use containers that are specifically designed for storing soups and liquids.
- Label the containers with the date of preparation. This helps you keep track of how long the soup has been stored.
- Store the containers in the refrigerator if you plan to consume the soup within 3-4 days. The heavy cream in the soup can spoil if left for too long.
- For longer storage, place the airtight containers in the freezer. The soup can be frozen for up to 3 months without losing its flavor and texture.
- When ready to reheat, thaw the soup in the refrigerator overnight if frozen. This ensures even reheating and prevents the soup from becoming watery.
- Reheat the soup on the stovetop over medium heat, stirring occasionally. Avoid bringing it to a boil to maintain the creamy consistency of the heavy cream.
- If reheating in the microwave, use a microwave-safe bowl and cover it loosely to prevent splatters. Heat in short intervals, stirring in between, until the soup is hot throughout.
- For added freshness, consider garnishing the reheated soup with freshly chopped leeks or a drizzle of olive oil before serving.
How to Reheat Leftovers
For stovetop reheating, pour the potato leek soup into a saucepan and warm it over medium heat. Stir occasionally to prevent sticking and ensure even heating. Heat until the soup is hot but not boiling, which helps maintain the creamy texture.
If using a microwave, transfer the soup to a microwave-safe bowl. Cover the bowl with a microwave-safe lid or a plate to prevent splatters. Heat on high for 2-3 minutes, stirring halfway through. Continue heating in 1-minute increments until the soup is thoroughly warmed.
For a slow cooker, set it to the low setting and pour in the leftover soup. Cover and heat for 1-2 hours, stirring occasionally. This method is perfect for a hands-off approach and ensures the soup heats evenly without scorching.
If you prefer an oven method, preheat your oven to 350°F (175°C). Pour the soup into an oven-safe dish and cover with foil. Heat for about 20-30 minutes, or until the soup is hot throughout. Stir halfway through to ensure even heating.
For a quick fix, use a double boiler. Fill the bottom pot with water and bring it to a simmer. Place the soup in the top pot and stir occasionally until heated through. This gentle heating method helps preserve the creamy consistency of the potato leek soup.
Best Tools for This Recipe
Large pot: Used for melting butter, cooking leeks, and simmering the soup.
Blender: Essential for pureeing the soup to achieve a smooth texture.
Knife: Necessary for peeling and dicing the potatoes, as well as slicing the leeks.
Cutting board: Provides a safe surface for cutting and preparing the vegetables.
Measuring cups: Used to measure the precise amounts of potatoes, leeks, chicken broth, and heavy cream.
Measuring spoons: Needed for measuring the salt and black pepper accurately.
Wooden spoon: Ideal for stirring the ingredients while cooking.
Ladle: Useful for serving the hot soup into bowls.
How to Save Time on Making This Soup
Prep ingredients in advance: Clean and slice the leeks and peel and dice the potatoes the night before to save time on the day of cooking.
Use pre-made broth: Opt for store-bought chicken broth to cut down on preparation time.
Immersion blender: Use an immersion blender directly in the pot to puree the soup, avoiding the need to transfer hot liquid to a blender.
Quick soften leeks: Microwave the leeks for a couple of minutes before adding them to the pot to speed up the softening process.
Simmer with lid: Cover the pot while simmering to cook the potatoes faster.

Potato Leek Soup
Ingredients
Main Ingredients
- 4 cups Potatoes peeled and diced
- 2 cups Leeks cleaned and sliced
- 4 cups Chicken Broth
- 1 cup Heavy Cream
- 2 tablespoons Butter
- 1 teaspoon Salt to taste
- 0.5 teaspoon Black Pepper to taste
Instructions
- 1. Melt the butter in a large pot over medium heat.
- 2. Add the leeks and cook until soft, about 5 minutes.
- 3. Add the potatoes and chicken broth. Bring to a boil, then reduce heat and simmer until potatoes are tender, about 20 minutes.
- 4. Puree the soup using a blender until smooth.
- 5. Stir in the heavy cream, salt, and pepper. Heat through but do not boil.
- 6. Serve hot and enjoy!
Nutritional Value
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