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Slow Cooker Vichyssoise Soup (Leek and Potato Soup)

This Slow Cooker Vichyssoise Soup is perfect for a cozy winter meal. Also called potage parmentier, this leek & potato soup is a nutritious vegetarian dinner idea that the whole family can enjoy.

EASY SLOW COOKER VICHYSSOISE

Tender potatoes and flavorful leeks are blended up to a creamy and dreamy perfection to make this amazing Potato Leek Soup. This soup makes for a perfect light lunch, or works great as a starter to a fabulous dinner. The French sure do know how to make a darn good soup! 

Can I brag for a sec?! This soup right here? It was given 5 stars by the Oprah.com team about 5 or 6 years ago. Yeppers it was! 🙌

That was one fantabulous day in the life of Diethood. I was just getting started with this whole recipe-blog deal, and that review meant so much to me! STILL DOES!  

Lemme tell you though. This soup is rich, a bit creamy, a bit chunky, a whole lot of wonderful, and is also great chilled! The chilled version of it is called Vichyssoise. So fancy. 😊

I mean, really. The flavor, the texture, and everything all together is like getting a hug from a soup bowl. 

Potato Leek Soup in the Slow Cooker.

HOW TO MAKE VICHYSSOISE SOUP

I want to call this back-to-basics-recipe because it’s very simple and easy going, and you might already have all the ingredients hiding in the pantry. Best part is that you can prep this in the morning and leave it to cook for the whole day. 

By the way, you only need carrots, celery, garlic, leeks, potatoes, fresh thyme, salt, pepper, and butter. AND a Slow Cooker

  1. Cut the potatoes and the leeks. Leeks may need to be washed before cutting because dirt likes to hide in places you can’t see. Just cut off the dark green part, then cut the leeks in half, lengthwise, and rinse under cold water. Pat dry with paper towels and chop them up.
  2. Put potatoes and leeks in the slow cooker and set aside.
  3. Combine sliced carrots and celery in a skillet and sauté for 4 minutes; stir in some garlic and transfer it all to the slow cooker.
  4. Stir in vegetable broth; add fresh thyme sprigs and butter.
  5. Close with the lid and cook on LOW for 6 to 8 hours, or until potatoes are very tender. You can also cook it on HIGH for 4 to 5 hours.
  6. When done, blend the soup with an immersion blender. If you only have a traditional blender, blend in batches. I also advise not to blend it on high speed; pulse it so that you have more control of the texture in the end.

The finishing touch should involve some heavy cream – totally optional, but totally necessary. 😉

Leek and Potato Soup in a ladle.

HOW LONG DOES POTATO LEEK SOUP LAST IN THE FRIDGE?

  • Store soup in an airtight container and keep in the fridge for up to 3 days.

CAN YOU FREEZE POTATO LEEK SOUP?

  • YES! Potato Leek Soup can be frozen for 3 months, but don’t add the cream if you plan to freeze it. 

Potato Leek Soup in a bowl garnished with parsley and fresh thyme.

Right now, at this very moment, I am making this Slow Cooker Leek and Potato Soup, again. We have had this soup twice in the last month. It’s what happens when you clear out your local Farmer’s Market leeks supply. 😃

In fact, our Thanksgiving dinner either includes this Leek and Potato Soup or my Asparagus Soup. There’s an idea for ya! 👊 

Now go and start peeling some potatoes so you can serve dinner by 6-ish tonight.

MORE EASY SOUP RECIPES

ENJOY!

TOOLS USED IN THIS RECIPE

Potato Leek Soup in a bowl with a spoon.

Slow Cooker Vichyssoise Soup

Katerina | Diethood
This Slow Cooker Vichyssoise Soup is perfect for a cozy winter meal. Also called potage parmentier, this leek & potato soup is a nutritious vegetarian dinner idea that the whole family can enjoy.
4.91 from 11 votes
Servings : 8
Prep Time 10 mins
Cook Time 8 hrs
Total Time 8 hrs 10 mins

Ingredients
  

  • 2 pounds Yukon Gold Potatoes, peeled and quartered
  • 3 leeks, white and light green parts only,  roughly chopped
  • 1 tablespoon olive oil
  • 1 large carrot, sliced
  • 3 celery ribs, sliced
  • 3 cloves garlic, minced
  • 1 teaspoon salt, or to taste
  • 1/4 teaspoon fresh ground pepper, or to taste
  • 6 to 7 cups low sodium vegetable broth
  • 2 tablespoons butter
  • 3 sprigs fresh thyme
  • 1/2 cup heavy cream, optional
  • chopped fresh parsley, for garnish, optional
  • fresh thyme leaves, for garnish, optional

Instructions
 

  • Place chopped potatoes and leeks in the slow cooker and set aside.
  • Heat olive oil in a skillet and add carrots and celery; cook for 4 minutes.
  • Stir in garlic and cook for 20 seconds.
  • Add carrot mixture to the slow cooker.
  • Stir in vegetable broth; add butter and thyme sprigs.
  • Close with the lid and cook on LOW for 6 to 8 hours, or until potatoes are very tender. You can also cook it on HIGH for 4 to 5 hours.
  • When done, remove the thyme sprigs and, if using, stir in the heavy cream.
  • Blend the soup with an immersion blender. If you only have a traditional blender, blend it in batches.
  • Taste for seasonings and adjust accordingly.
  • If soup is too thick, add water or vegetable broth to thin it out.
  • Ladle soup into bowls.
  • Garnish with parsley and fresh thyme leaves.
  • Serve.

Equipment

Notes

WW FREESTYLE POINTS: 4
TO FREEZE
Potato Leek Soup can be frozen for 3 months, but don’t add the cream if you plan to freeze it. 
TO REHEAT
Defrost the soup in the refrigerator overnight; reheat it on the stovetop over medium heat until hot. Once heated through, stir in heavy cream and bring to a simmer; serve.

Nutrition

Serving: 1 cup | Calories: 159 kcal | Carbohydrates: 26 g | Protein: 5 g | Fat: 5 g | Saturated Fat: 2 g | Cholesterol: 8 mg | Sodium: 473 mg | Potassium: 608 mg | Fiber: 4 g | Sugar: 4 g | Vitamin A: 2396 IU | Vitamin C: 20 mg | Calcium: 71 mg | Iron: 5 mg | Net Carbs: 22 g

Nutritional info is an estimate and provided as courtesy. Values may vary according to the ingredients and tools used. Please use your preferred nutritional calculator for more detailed info.

Course: Soup
Cuisine: French
Keyword: creamy soup recipe, crock pot recipes, crock pot Vichyssoise, crockpot recipes, easy vichyssoise recipe, leek and potato soup recipe, potato leek soup, slow cooker soup, slow cooker Vichyssoise
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Originally published on December 9th, 2012

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51 comments on “Slow Cooker Vichyssoise Soup (Leek and Potato Soup)”

  1. Avatar photo
    Chrissie Baker

    This potato look soup looks incredible and oh so rich! And love that you can make it in the slow cooker.

  2. Avatar photo
    Dorothy Reinhold

    The Instant Pot has changed my soup game. It makes soup in no time with developed flavors! This looks hearty and delicious!

  3. This soup is perfect for cool fall nights. I love the flavors you’ve put together potatoes and leeks.

  4. No wonder this soup got rave reviews! It’s DELICIOUS! Currently my favorite fall soup. Thank you for the recipe!

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