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    Home » Favorites

    Easy Cauliflower Celeriac Soup with Bacon (Paleo, Keto, Whole30)

    February 7, 2019 Updated: August 24, 2021 by Lisa Wells / 20 Comments

    This easy cauliflower celeriac soup recipe is impossibly creamy. You won't believe it's paleo, gluten-free, low carb, keto and Whole30 friendly with a vegan option!

    Cauliflower celeriac soup with bacon

    I was looking to recreate an old cauliflower soup recipe that used cream sauce made with flour. I think this paleo cauliflower soup version is even better, and creamier, without any added flour or thickeners. The secret to this paleo cauliflower soup is celeriac. It gives the soup a lovely creamy body and mild celery flavor that blends well with the cauliflower and garlic.

    This post includes affiliate links. For more info, please read my disclosure here.

    Celeriac and cauliflower soup recipe

    If you're not familiar with celeriac, it is celery root. It's ugly on the outside, but smooth and white on the inside. You have to peel off quite a bit to get to the flesh. But once it's peeled, just chop it like you would a potato. Adding just a small amount of celeriac to the cauliflower soup transforms the texture and makes it really decadent.

    It only takes a few minutes to make this soup. I used cauliflower I had in the freezer — since it ends up pureed, frozen cauliflower works well in this recipe. If you have cauli rice in the freezer you can use that as well. The only other pantry ingredients were chicken stock, garlic and a little bit of ghee. The vegetables are simmered in the chicken stock, then everything goes into the blender until it's silky smooth. A little ghee blended in at the end finishes the soup and lends a hint of buttery flavor.

    Easy Cauliflower Celeriac Soup with Bacon

    You can easily make this soup vegan by substituting vegetable stock and finishing with olive oil---an infused olive oil would add even more flavor.

    I garnished the cauliflower celeriac soup with duck bacon (yes, there is such a thing and it is as good as it sounds!) and chives. The chives aren't really necessary, but I definitely recommend the bacon. Either duck bacon or pork bacon would work---you can even use coconut bacon for a vegan version. The salty crunch of the bacon is a great counterpoint to the creamy smoothness of the cauliflower celeriac soup.

    Easy Cauliflower Celeriac Soup with Bacon

    A decadent creamy soup made with cauliflower and celery root.
    5 from 5 votes
    Print Save Email
    Prep Time: 5 minutes mins
    Cook Time: 20 minutes mins
    Total Time: 25 minutes mins
    Servings: 4 servings
    Course: Soup
    Cuisine: French
    Diet: AIP, Dairy Free, Gluten Free, Keto, Low Carb, Paleo, Vegan, Vegetarian, Whole30
    Author: Lisa Wells

    Ingredients

    • 1 16- ounce bag frozen cauliflower
    • 1 cup peeled and chopped celeriac
    • 2 cloves garlic peeled
    • 3-½ cups chicken stock or vegetable stock
    • 2 tablespoons ghee or olive oil
    • fresh ground pepper to taste
    • sea salt to taste
    • 4 slices cooked and crumbled bacon
    • fresh chives for garnish

    Instructions

    • Bring cauliflower, celeriac, garlic and chicken stock to a boil over medium-high heat. Cover, reduce heat and simmer until vegetables are tender, 15-20 minutes.
    • Carefully transfer to Vitamix and puree until smooth.
    • Add ghee, salt & pepper and blend to combine.
    • Top with bacon and chives.

    Notes

    For dairy-free: use olive oil instead of ghee 
    For vegan: use vegetable stock instead of chicken stock, use olive oil instead of ghee, and substitute coconut bacon for the bacon

    Nutrition

    Calories: 238kcal Carbohydrates: 13g Protein: 8g Fat: 17g Saturated Fat: 7g Cholesterol: 36mg Sodium: 349mg Potassium: 615mg Fiber: 3g Sugar: 4g Vitamin C: 61.6mg Calcium: 49mg Iron: 1.1mg
    Keyword: Blender, Quick and Easy
    Did you make this recipe?Please leave a star rating above and share your photo on social. I love seeing what you've made!

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    Reader Interactions

    Comments

    1. Denise Anderson

      February 09, 2013 at 1:58 pm

      Where do you get celiarac? When is it in season? Thanks for sharing!

      Reply
      • Lisa

        February 09, 2013 at 4:06 pm

        I get celeriac at my local grocery store. It's usually next to the other root vegetables and labeled either celeriac or celery root. It's in season in fall and winter - definitely worth trying!

        Reply
    2. Sarah

      April 28, 2013 at 11:07 pm

      I love celery root. This, and all of your other recipes, sound delish!

      Reply
      • Lisa

        April 29, 2013 at 5:37 pm

        Thank you! I love celery root too, especially in this recipe. It makes the soup so creamy!

        Reply
    3. Erica

      January 04, 2014 at 1:10 pm

      can I just use a cup of chopped celery and then just blend everything together?

      Reply
      • Lisa

        January 07, 2014 at 3:07 pm

        The celeriac stands in for the traditional potato in this recipe, adding creaminess and a mild celery flavor. Celery would not give you the same creaminess. If you can't find celeriac, I would use a little bit of celery for flavor, but substitute additional cauliflower for most of the celeriac.

        Reply
        • Sandra

          November 11, 2021 at 10:59 am

          Thanks for this substitution. After planting a bunch of celeriac I found I was allergic. If you have latex allergy celeriac is probably a no-go for you😩

          Reply
    4. pam mobley

      January 06, 2014 at 7:44 pm

      This cauliflower soup was absolutely fantastic! I will make it again and again!

      Reply
      • Lisa

        January 07, 2014 at 3:15 pm

        Thank you Pam - you made my day!

        Reply
    5. Kat

      February 09, 2014 at 6:37 pm

      This soup was so delicious! I did add just a little bacon grease instead of salt....because I really like bacon!

      Reply
      • Lisa

        February 10, 2014 at 3:46 pm

        Thanks for your comment, Kat! The bacon grease sounds awesome - I will have to add some next time I make this soup!

        Reply
    6. Betsy

      November 18, 2014 at 2:01 pm

      So if I pick up a head of cauliflower, will that be enough? Sounds good and I feel like soup tonight for dinner!

      Reply
      • Lisa

        November 18, 2014 at 5:05 pm

        One head of cauliflower should do it! You want about a pound of florets, so get a head that's just over a pound and you should have enough once you cut it up.

        Reply
    7. Erin

      January 15, 2015 at 8:51 pm

      Hi this looks great! Would it work to sub vegetable stock for the chicken stock do you think?

      Reply
      • Lisa

        January 15, 2015 at 9:34 pm

        Hi Erin, I haven't tried it, but I think it would work. If you try it, let me know how it turns out!

        Reply
    8. Cara Carriere

      November 30, 2015 at 1:57 am

      Thanks! This will make winter a little more bearable.

      Reply
    9. Patricia Elliott

      January 02, 2018 at 11:13 am

      I have made this soup today, can I freeze and reheat it as I'm on my own and have done enough to feed an army 😂 lol xxx

      Reply
      • Lisa

        January 02, 2018 at 1:31 pm

        Hi Patricia, I freeze all of my leftover soups in single serving containers so I can just thaw and reheat when needed.

        Reply
    10. Madison @ Keto Diet

      January 29, 2018 at 3:55 pm

      5 stars
      I like cauliflower and celeriac. This is Yummy and creamy. So, Soup!

      Reply
    11. Puja

      January 31, 2018 at 5:01 pm

      5 stars
      Wow, what amazing soup, I used 4 cups of distilled water, all organic cauliflower, celeriac, garlic, and chicken shock cube, next time will make it completely vegan....... Thank you so much for Sharing.... That recipe was superb.

      Reply

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