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.

Why is my potato and leek soup slimy? ›

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.

What part of the leek do you eat? ›

Mostly just the white and light green parts are eaten, though the darker green parts have plenty of flavor and can either be cooked longer to tenderize them, or used when making homemade soup stock.

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 do you make soup taste deeper? ›

Brown or Sear the Meat

If you are adding meat to a soup, sear or brown it in a sauté pan before you add it to the soup. This adds a deeper savory flavor to the whole soup. This trick is especially useful for things like chicken and sausage, which can sometimes get bland and rubbery while floating in a brothy soup.

What is the best thickening agent for potato soup? ›

Cornstarch. Cornstarch is a very effective thickener, and a little bit can go a long way.

How do you keep leek and potato soup from getting gluey? ›

After that, just plonk the potatoes and stock in, simmer until the potato is literally crumbling (the softer they are, the less blending we have to do = better soup texture, no risk of “gluey soup”). Blitz, stir in cream and serve! I like to serve mine with croutons.

Is it OK to reheat leek and potato soup? ›

Reheat the soup to a gentle simmer (add some extra stock at this point if the soup is too thick for your liking), then pour into warmed bowls. Drizzle the remaining cream over each serving, top with a little pile of buttered leeks and a scattering of chives and black pepper and serve at once.

What protein goes with potato leek soup? ›

What to Serve with Potato Leek Soup. Potatoes and leeks are hearty on their own, but some protein can really elevate the meal. Try staying within the eastern European and German theme with bratwurst or schnitzel-like crispy chicken.

Why is my leek and potato soup brown? ›

Season them before roasting to really bring out their flavor. If you season only at the end, your soup will just taste salty — not flavorful. Why has my leek and potato soup turned brown? Your leek and potato soup may turn brown if your potatoes have oxidized.

Can you leave potato and leek soup out overnight? ›

On most occasions, you shouldn't leave soup out overnight. This is because when the stock in the soup cools below 130°F, dangerous bacteria can multiply. If you do decide that you want to leave soup out overnight, it's recommended that you boil the soup for 10 minutes to kill any active bacteria.

When should you not eat leeks? ›

Avoid leeks with cuts or bruises. The dark green tops of leeks should look fresh. Avoid leeks with yellowing or wilting tops. Choose smaller, younger leeks when you want to eat them uncooked.

Is any part of a leek poisonous? ›

Interesting Tidbits: POISONOUS PARTS: All parts but causes only low toxicity if eaten; can be safely eaten in small amounts, large quantities not recommended.

What part of the leek is not edible? ›

With leeks, the general trend is to use the white part and throw away the green. This green part contains a lot of vitamin C and it can be used in many recipes. You only have to remove a few centimeters of the usually woody upper part from the leaves. Boiled leaves can be used for sauces, soups or casseroles.

How do I fix my 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 flavorless? ›

Let it evaporate and cook longer.

If you find that your homemade or store-bought broth is thin and bland, you can concentrate its flavors by cooking it a little bit longer." Make sure to remove the lid or tilt it slightly to let the steam escape.

How do you get the depth of Flavour in vegetable soup? ›

Adding a parmesan cheese rind to the simmering soup infuses it with salty, umami flavor. This is SUCH an easy way to add tons of flavor to soup. Look for parmesan cheese rinds at the cheese counter in your grocery store.

Why does my potato soup taste gritty? ›

Boiling at too high of a temperature will break down your potatoes and make your soup grainy. You want your potatoes to be fork-tender but still have a little “bite” to them.

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