Our Easy Potato Leek Soup Recipe is a cozy vegetarian dish brimming with sautéed leeks and tender potatoes in a rich, creamy soup base. It’s easy to make in under an hour, and can even be made vegan with a couple of simple swaps!

Creamy & Easy Potato Leek Soup: Your Go-To Vegetarian Comfort Food Recipe
There’s nothing quite like a warm, comforting bowl of homemade soup to chase away the chill of a brisk evening or simply provide a hug in a bowl. And when it comes to classic comfort, this gloriously rich and flavorful Potato and Leek Soup reigns supreme. It’s an essential recipe for fall and winter gatherings, or whenever you crave something both hearty and delicate. This isn’t just any soup; it’s a quick and easy vegetarian recipe designed to deliver maximum flavor and coziness with minimal effort.
Beyond its incredible taste and soothing texture, this recipe boasts versatility and broad appeal. It happens to be a naturally gluten-free creamy soup, making it a fantastic option for those with dietary sensitivities. Plus, with just a few simple adjustments, you can easily transform it into a delightful vegan potato leek soup, ensuring everyone at your table can enjoy a spoonful of this delicious creation.

Sommer’s Culinary Insights on Leek and Potato Soup
Why Leeks Are The Secret Ingredient (Not Just Onions!)
While often mistaken for overgrown scallions or a milder onion, leeks possess a truly distinctive charm. Leeks *are* a member of the onion family, but their flavor profile is what sets them apart. Unlike the sharp pungency of regular onions, leeks offer a unique savory-sweet flavor that is delicate, slightly earthy, and subtly aromatic. When properly sautéed and softened, they impart a bright, delicate note that beautifully complements the rustic earthiness of potatoes, creating a sophisticated depth of flavor that is truly unparalleled in a potato soup. It’s a harmonious pairing that elevates a simple vegetable soup into an extraordinary culinary experience you absolutely must taste for yourself.
This “soup-er” simple recipe is remarkably adaptable, allowing for endless customization to suit your palate and dietary needs. Craving a truly plant-based meal? Easily make it a vegan potato leek soup recipe with just a couple of simple dairy swaps. If you’re looking to boost the protein content, consider adding cooked meat like chicken or ham for a more substantial dish. You can also experiment with different vegetables to tailor it to your tastes. The beauty of this recipe lies in its forgiving nature – as long as you keep those wonderful leeks and tender potatoes as the stars of the show, you’re guaranteed to create a winning dish that warms you from the inside out and leaves everyone wanting more!

Essential Ingredients for The Best Potato Leek Soup
Crafting the perfect potato leek soup begins with selecting quality ingredients. Here’s a breakdown of what you’ll need and why each component is crucial for achieving that incredible flavor and creamy texture:
- Golden Potatoes: We recommend using waxy-skinned varieties like Yukon Golds. Their creamy texture holds up well during cooking without becoming overly mushy, and their skin is thin enough that you don’t even need to peel them, saving you precious prep time. Just slice them into thin quarters for quick cooking.
- Fresh Leeks: The star of the show! Choose firm, white, and light-green stalks. You’ll only use the white and pale green parts, as the dark green leaves can be bitter. Proper cleaning is essential – more on that below!
- Garlic: Minced garlic adds a foundational aromatic depth that complements the leeks beautifully. Fresh is always best, but jarred minced garlic can work in a pinch.
- Butter: Unsalted butter provides a rich, silky base for sautéing the leeks and garlic, contributing to the luxurious mouthfeel of the soup. For a vegan option, use a high-quality plant-based butter.
- Vegetable Broth: This is the liquid foundation of your soup. A good quality vegetable broth will enhance the flavors without overpowering them. For a non-vegetarian version or added richness, chicken stock can be used. Look for low-sodium options to better control the seasoning.
- Italian Seasoning: A versatile blend of dried herbs like oregano, basil, thyme, and rosemary. You can use store-bought or whip up your own homemade Italian seasoning for an extra fresh touch.
- Heavy Cream (Optional): For an ultra-creamy, decadent texture. A quarter cup is often enough to enrich the soup without making it overly heavy. For vegan versions, opt for cashew cream, full-fat coconut milk (use sparingly to avoid coconut flavor dominance), or a plant-based unsweetened creamer.
- Salt and Pepper: Essential for seasoning to taste. Start with a little and adjust as the soup simmers and develops flavor. Freshly ground black pepper offers the best aroma.
Pro Tip: Can’t find fresh leeks, or short on prep time? Some grocery chains offer frozen chopped leeks in their freezer section, which can be a convenient shortcut for this recipe. Just make sure to thaw and drain them well before using.

How to Make The Best Creamy Potato Leek Soup (Step-by-Step)
Making this creamy potato leek soup is straightforward and rewarding. Follow these steps to achieve a perfectly balanced, flavorful, and comforting bowl:
For precise ingredient proportions, detailed instructions, storing tips, and a convenient video tutorial, refer to the printable recipe card at the bottom of this post.
Protein Pointer: If you’re looking to add protein, consider stirring in cooked, shredded chicken or turkey towards the end of the cooking process. Alternatively, for a vegetarian protein boost, you can blend 1 cup of cottage cheese (ensure it’s smooth) into the soup base before serving for an extra creamy and protein-rich dish.
Prepping Your Ingredients for Success
- Clean and Chop the Leeks: Start by cutting off the dark green tops of the leeks – these are often tough and bitter, but can be saved for making vegetable stock. Trim the root end as well. Quarter the leek stalks lengthwise, then slice them into ½-inch pieces. Leeks can harbor a lot of sand and dirt between their layers, so it’s crucial to place the chopped leeks in a bowl of cold water and rinse them thoroughly, agitating them to release any debris. Move them to a colander to drain completely while you prepare the rest of your ingredients.
- Mince the Garlic and Slice Potatoes: While the leeks are draining, mince your garlic cloves. For the potatoes, if using golden potatoes or other thin-skinned varieties, there’s no need to peel! Simply quarter them lengthwise, then slice them thinly. Aim for consistent sizing to ensure even cooking.




Cooking The Soup to Perfection
- Sauté the Aromatics: Place a large 6-8 quart soup pot over medium heat. Add the butter (or plant-based butter). Once melted, add the chopped leeks and minced garlic to the pot. Stir occasionally and allow the aromatics to gently sauté and soften for 5-10 minutes. This step is crucial for developing the leeks’ sweet, delicate flavor and preventing any bitterness.
- Combine and Simmer: Once the leeks are very soft and fragrant, add the thinly sliced potatoes to the pot. Pour in the vegetable broth, then stir in the Italian herb seasoning. Bring the mixture to a gentle simmer.
- Cook Until Tender: Cover the pot and allow the soup to simmer for 20 minutes, stirring occasionally to prevent sticking and ensure even cooking. After 20 minutes, uncover the pot and continue to simmer for another 10 minutes, or until the potatoes are exceptionally soft and begin to naturally disintegrate into the soup base. This ensures a creamy texture even before adding any cream.
- Season and Finish: Taste the soup and season generously with salt and pepper as desired. Remember that flavors intensify as the soup cools slightly. For an extra creamy and luxurious soup, stir in ¼ cup of heavy cream or cashew cream. You can also use an immersion blender to partially or fully blend the soup to your desired consistency – a rustic, chunky texture or a silky smooth puree, both are delicious!

Delicious Recipe Variations and Customizations
This classic potato leek soup recipe serves as an excellent canvas for your culinary creativity. Feel free to experiment with these delicious variations:
- Vegan Adaptation: To effortlessly transform this into a luscious vegan potato leek soup, simply swap the dairy butter for your favorite plant-based nondairy butter. For the creamy finish, use cashew cream (made by blending soaked cashews with water), unsweetened full-fat coconut milk (use sparingly to avoid a coconut flavor), or a dairy-free heavy cream alternative.
- Hearty Meat Additions: For a more robust, protein-packed meal, incorporate cooked chopped ham, crispy bacon bits, browned ground sausage, or shredded rotisserie chicken or turkey during the last few minutes of simmering. If using meat, you can also substitute chicken broth for vegetable broth to enhance the savory notes.
- Potato Choices: While we highly recommend thin-skinned golden potatoes for their excellent texture and no-peel convenience, you can certainly use other varieties. If opting for thicker-skinned potatoes like Russets or Idaho potatoes, ensure you peel them thoroughly first, as their skins can be quite tough. Red potatoes also work well for a slightly different texture.
- Boost Your Veggies: This basic recipe is incredibly versatile for adding more vegetables. Consider including finely diced carrots and celery for a traditional mirepoix base, chopped cauliflower florets for added creaminess, or even vibrant chopped kale leaves or spinach during the last 5-10 minutes of cooking for a heartier, nutrient-rich dish.
- Spice it Up: For a subtle warmth, add a pinch of smoked paprika or a dash of cayenne pepper. If you enjoy a bit of heat, a sprinkle of red pepper flakes can provide a nice kick.
- Yield Adjustments: As written, this recipe yields approximately 8 generous servings, perfect for family dinners or meal prep. To make a smaller batch for 4 people, simply halve all the ingredient quantities. If you’re hosting a crowd or want to freeze extra, doubling the recipe will require a large 20-quart stockpot to accommodate the volume.

Perfect Serving Suggestions for Your Potato Leek Soup
Elevate your homemade potato leek soup with these delightful serving ideas and garnishes:
- Fresh Herb Garnishes: Once you ladle the hot leek and potato soup into bowls, add a vibrant pop of freshness. Garnish each serving with a sprinkle of finely chopped fresh green onions (scallions), chives, fresh thyme sprigs, or torn basil leaves. For a contrasting texture, load on some crispy fried onions or homemade croutons!
- A Hint of Spice: For those who appreciate a nice kick of spicy heat, a light sprinkling of crushed red pepper flakes over each bowl can awaken the palate and add an exciting dimension to the creamy soup.
- Cheesy Indulgence: A classic pairing! Sprinkle the top with freshly grated Parmesan cheese for a salty, umami kick. For a delicious vegan potato leek soup, use a good quality dairy-free Parmesan alternative. A swirl of crumbled goat cheese or sharp cheddar would also be fantastic.
- Must-Have Side: Bread! In many households, it’s practically a rule that soup must be served with some form of bread for dipping! This creamy soup is absolutely delicious for dunking slices of toasty baguette, a hunk of any warm, crusty bread, or even a soft pretzel. Garlic bread or a cheesy pull-apart loaf would make it an even more indulgent meal.
- Pair with a Fresh Salad: Don’t forget a light, crisp salad! The classic trio of soup, bread, and salad creates a perfectly balanced and satisfying dinner that feels wholesome without weighing you down. A simple green salad with a bright vinaigrette is an ideal counterpoint to the rich creaminess of the soup.
Frequently Asked Questions About Potato Leek Soup
Usually, the culprit of bitter leeks is either A) you accidentally used some of the darker green bits of the stalk, which are quite bitter, or B) the leeks were not sautéed for long enough before adding the broth. Leeks need to be cooked down a good bit, until very soft and translucent, to develop their light, earthy, and sweet flavor. Thorough cleaning to remove dirt is also essential, as grit can affect flavor.
Leftover potato leek soup will keep well for up to 4 days in the refrigerator. Ensure it cools completely before transferring the soup to an airtight container for storage to maintain freshness and prevent bacterial growth.
You technically can freeze the soup for up to 3 months. However, be aware that the texture will likely not be quite the same after freezing, thawing, and reheating. Potatoes can sometimes become a bit grainy or mealy, and cream-based soups may separate. To minimize this, you can freeze the soup before adding the heavy cream, then stir in fresh cream when reheating. Thaw overnight in the fridge and reheat gently on the stovetop.
Waxy or all-purpose potatoes like Yukon Golds, Red Bliss, or new potatoes are generally best. They hold their shape well, contribute to a naturally creamy texture when cooked down, and don’t require peeling. Starchy potatoes like Russets can be used but tend to break down more, potentially leading to a gummier texture if over-blended. If using starchy potatoes, make sure to peel them first.
The best way to thicken this soup is by blending some (or all) of the cooked potatoes and leeks directly into the broth. An immersion blender makes this easy. For an even thicker consistency, you can use less broth, or simmer the soup uncovered for longer to allow some of the liquid to evaporate. A cornstarch slurry (1 tablespoon cornstarch mixed with 1 tablespoon cold water) can also be stirred in at the end and simmered for a few minutes, but blending the potatoes is the preferred method for natural thickness.

Explore More Easy and Delicious Soup Recipes
If you’ve enjoyed this comforting potato leek soup, you’ll love exploring these other fantastic and easy soup recipes from our kitchen. They’re perfect for any occasion and sure to become new family favorites:
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Leek Potato Soup Recipe
20
35
55
8 servings
Video
Ingredients
- 6 cups sliced Golden potatoes (or other thin-skinned potatoes, about 2 lbs)
- 4 cups chopped leeks (about 3 large leeks)
- 3-5 cloves garlic (minced)
- 4 tablespoons butter (or plant-based butter for vegan)
- 8 cups vegetable broth
- 1 tablespoon Italian seasoning
- Optional: ¼ cup heavy cream (or cashew cream for vegan)
- Salt and pepper
Instructions
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Prep the Leeks: Cut the dark green tops off the leeks and trim the root end. Quarter the stalks lengthwise and cut into ½-inch slices. Place the chopped leeks in a bowl and rinse thoroughly with cold water to remove any sand and debris. Move the leeks to a colander to drain while you mince the garlic.
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Set a large 6-8 quart soup pot over medium heat. Add the butter, chopped leeks, and garlic to the pot. Stir and allow the aromatics to sauté and soften for 5-10 minutes.
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Meanwhile, quarter the potatoes lengthwise, then slice into thin pieces. Once the leeks are very soft and fragrant, add the sliced potatoes to the pot. Pour in the broth, then stir in the Italian herb seasoning.
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Cover the pot and simmer for 20 minutes, stirring occasionally. Then uncover the pot and continue to simmer for another 10 minutes until the potatoes are very soft and disintegrating into the soup base.
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Taste, then season with salt and pepper as desired. For extra creamy soup, stir in ¼ cup of heavy cream or cashew cream.
Notes
Nutrition
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