Vegan Leek and Potato Soup - A Quick Recipe for a Hearty Fall Dish (2024)

By: AlyssaRating 18 Comments on Vegan Leek and Potato Soup

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This vegan leek and potato soup is creamy, healthy, and only takes 40 minutes to make. This soup packs a rich, hearty, mouth watering flavor, despite not using any dairy ingredients.

this recipe

Leek and potato soup is the ultimate comfort food. It’s full of hearty carbs from the potatoes, which is balanced by the fresh kick of leeks. And it is oh so creamy!

That creaminess usually comes from … well … cream. But I found the perfect way to add creaminess to a vegan leek and potato soup: cashews! Cashews are full of healthy fats, and when blended up they have a similar richness to heavy cream. They make this soup rich and soothing, while still being vegan and healthy.

I recommend serving a bowl of this soup on a cold evening, topped with some garlic and rosemary gluten-free croutons.

What You’ll Need

Make sure to check out the recipe card at the bottom of the page, as it has the exact quantities for all of the ingredients.

  • Olive oil
  • Garlic cloves
  • Leeks
  • Russet potatoes
  • Sea salt
  • Black pepper
  • Vegetable broth – You can use low sodium for a healthier soup.
  • Bay leaves
  • Cashews – Make sure the nuts are both raw and unseasoned.
  • Fresh rosemary

Why Russet Potatoes?

Russets are the perfect potato for a creamy soup, such as this one. Because russets are so high in starch, they add a thickness to the soup.

How to Make Vegan Leek and Potato Soup

This recipe has rich and complex flavors, but only takes about 40 minutes to make. Here’s how.

Sauté leeks and garlic. Heat the oil in a large pot or dutch oven, then add the leeks and garlic. Sauté until the leeks are tender, which will take about 4 minutes.

Add the potatoes. Put the potatoes in the pot, and add the salt and pepper. Sauté for 2 more minutes.

Add the broth. Pour the vegetable broth into the pot, and add the bay leaves. Stir to combine, and bring the soup to a boil. Lower the heat until the soup is simmering, and cook until the potatoes are tender, about 15 to 20 minutes.

Finish. Stir the cashews into the soup and cook for a minute, then pour the soup in a blender. Blend on high speed until the soup is completely smooth. Serve the soup, and garnish with rosemary.

Tips for Success

Here are a few things you can do to make sure that your vegan leek and potato soup is creamy, flavorful, and perfect.

  • Wash the leeks. Leeks require more washing than the average vegetable, because they get a lot of dirt and grit in between their layers. Wash them thoroughly to make sure that your soup isn’t gritty at all.
  • Use a good quality broth. This soup doesn’t have a lot of ingredients, so using a good quality vegetable broth can make a huge difference.A great broth will take this soup to the next level.
  • Don’t overcook the cashews. You want to cook the cashews for a minute before blending the soup, but don’t cook them more than that. If you cook the cashews for too long, they’ll lose some of the flavor and texture that makes this soup so similar to the dairy versions.

How to Store Vegan Leek and Potato Soup

You can keep this soup in the fridge for up to 4 days. Just make sure to store it in an airtight container, and then reheat on the stove top or in the microwave.

Can This Recipe Be Frozen?

Sure! Put the soup in an airtight container and freeze it for up to 1 month. Defrost in the fridge or the microwave before reheating.

More Creamy Vegan Soup Recipes:

  • Creamy Chili Roasted Pumpkin Soup
  • Super Healthy Green Detox Soup

Vegan Leek and Potato Soup

4.7 from 33 votes

This vegan leek and potato soup recipe is creamy, rich, and mouth watering, and takes only 40 minutes to make.

author: Alyssa

yield: 6 servings

Vegan Leek and Potato Soup - A Quick Recipe for a Hearty Fall Dish (9)

Print Recipe Pin Recipe

Prep: 10 minutes minutes

Cook: 30 minutes minutes

Total: 40 minutes minutes

Ingredients

  • 2 tablespoons olive oil
  • 3 garlic cloves , minced
  • 4 leeks , cleaned & thinly sliced
  • 3 cups cubed white potato , about 2 – 3 medium russet potatoes
  • 1/2 teaspoon sea salt & pepper
  • 4 cups vegetable broth (low sodium if desired)
  • 2 bay leaves
  • 1/2 cup raw cashews
  • Fresh rosemary to garnish

Instructions

  • Heat the oil in large saucepan or dutch oven. Add garlic and leeks and saute until the leeks start to soften, about 4 minutes.

  • Add the potatoes and season with salt and pepper. Saute another 2 minutes.

  • Add broth and bay leaves and stir to combine. Bring the soup to a boil, then turn down to simmer and cook until potatoes are just tender, about 15 – 20 minutes. Stir in cashews and cook another minute.

  • Transfer the contents of the soup into a blender. Blend on high until smooth and creamy. Pour into bowls and garnish with chopped rosemary.

Notes

Store the soup in an airtight container in the fridge for up to 4 days, or in the freezer for up to 1 month. Reheat on the stove top or in the microwave.

Nutrition

Calories: 196kcal | Carbohydrates: 24g | Protein: 5g | Fat: 9g | Saturated Fat: 1g | Sodium: 648mg | Potassium: 534mg | Fiber: 3g | Sugar: 4g | Vitamin A: 1325IU | Vitamin C: 17.2mg | Calcium: 67mg | Iron: 4.7mg

cuisine: American

course: Soup

★★★★★

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Vegan Leek and Potato Soup - A Quick Recipe for a Hearty Fall Dish (10)

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  • Blender
  • Dairy Free
  • Dinner
  • Freezer Friendly
  • Gluten-Free
  • Grain-Free
  • Lunch
  • Meal Prep
  • One Pot Meals
  • Paleo
  • Recipes
  • Soup
  • Stovetop
  • Vegan
  • Vegetarian
Vegan Leek and Potato Soup - A Quick Recipe for a Hearty Fall Dish (2024)

FAQs

Why does my leek and potato soup taste bland? ›

The reasons are usually two: you didn't season your soup at all, worrying it might be too salty because of the leeks; or you added to much water for the stock. If you follow our instructions, and taste before serving, you can easily add a little more salt and pepper to make your soup even tastier.

Why is my potato and leek soup slimy? ›

If you blend or puree the potatoes for too long, the starch inside the potatoes will leak into the broth and create a gelatin-like consistency. It's for this reason, we like to blend the soup in batches (so if we over-blend a little it won't ruin the whole thing!) and only until it's just smooth.

How to make leek and potato soup mary berry? ›

Mary Berry's Potato Leek Soup
  1. Melt butter in a large saucepan over medium heat. Add leeks, and cook, covered, stirring often, until softened, 4 to 6 minutes. ...
  2. Stir in broth, salt and pepper. ...
  3. Carefully transfer soup to a blender. ...
  4. Ladle soup into individual bowls.
Nov 27, 2016

How do I increase the depth of flavor in soup? ›

Perk up a Bland Soup With Simple Pantry Staples

Add a splash of vinegar (any kind!), or a squeeze of citrus. Chances are, you could use a little more salt. Go ahead—it's ok. Salt perks up flat flavors and helps balance out bitter-tasting ingredients.

How can I thicken my leek and potato soup? ›

Add flour or cornflour

Put a tablespoon of either into a small bowl and stir in 2-3 tbsp of the soup until you have a smooth mixture. Stir this back into the soup and bring it to a simmer. Cook for a few minutes to allow the starch granules to burst to thicken, and to cook out any flour flavour.

How to stop leek and potato soup from being gloopy? ›

Some recommend that you keep blending to a minimum in order to improve the texture, while others use a very low proportion of potatoes to liquid to keep things looser, but the fact remains that no matter how few potatoes you use and no matter how briefly you pulse, any degree of blending will turn a potato soup gluier ...

What is the best thickening agent for potato soup? ›

Add Flour Or Cornstarch

You can thicken soup by adding flour, cornstarch, or another starchy substitute. For the best results, never add flour or cornstarch directly to your soup. If you do, it will clump up on top. Instead, ladle a small amount of broth into a separate bowl and let it cool.

How to stop leek and potato soup from going gloopy? ›

Sear or roast your potatoes to prevent gummy soup

While you can certainly make potato soup by just chucking potato chunks into a pot of boiling water and going from there, many recipes recommend that you cook your spuds beforehand to maximize your dish's flavor.

Why has my leek and potato soup gone brown? ›

It looks as though some of your potatoes might have got a bit scorched. Did you fry them off before adding the liquid? The colour from the browned potatoes could be what is turning it brown.

Is it OK to reheat leek and potato soup? ›

Leek and Potato soup is a great option to make for a simple supper one evening, then have the leftovers for lunch the next day. Simply place any leftover soup in a plastic lidded container and pop it in the fridge, where it will keep for 3-4 days. Reheat in a saucepan or microwave until piping hot.

Is it OK to freeze leek and potato soup? ›

If the soup is overly thick when rewarmed, add a splash of milk or cream. Taste and add additional salt, pepper, or thyme, as needed. Freezing Instructions: You can freeze leek and potato soup for up to 3 months, but don't add the cream. Allow the soup to cool, then add to a freezer safe container.

How do I add flavor to bland potato soup? ›

Cheese: I recommend a good sharp cheddar cheese here for maximum flavor. Greek yogurt or sour cream: To make the soup extra-creamy. Salt and pepper: Add in as much as you need at the end to season your soup well.

How do you fix bland potato soup? ›

Adding an acid like vinegar or lemon juice and incorporating fresh herbs can also help add flavor to a potato soup. While you may not need to implement all of these strategies, it's good to keep them in the back of your mind for when you realize your next pot of soup needs a flavor boost.

Why does my soup taste bland? ›

Let the Broth Evaporate and Cook Longer

If your broth tastes thin and bland, you may want to cook and let it evaporate for longer. That helps concentrate its flavors and gives you a better-tasting soup broth.

How to make leek soup less bitter? ›

Bitterness is best counteracted by salt, so give it a good seasoning. You might also try adding a little mild vinegar like white wine or cider vinegar.

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