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Wife Mama Foodie

Making Healthy Taste Good

December 14, 2016

Delicious Roasted Purple Potato Soup

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This vibrant roasted purple potato soup is comforting and flavorful. Made with purple sweet potatoes, cauliflower, & carrots, but any color will work.

Roasted Purple Potato & Cauliflower Soup | Vegan and Paleo Friendly
I’m that person who loves eating soup anytime of the year, but especially in the colder months when I spend most of my time wrapped up in a blanket (and in front of a space heater 😁). This purple potato & cauliflower soup is not only beautiful to look at, it’s chock-full of vibrant veggies and free of gluten, grains, & dairy. It’s vegan and paleo friendly too!

Roasted Purple Potato & Cauliflower Soup | Vegan and Paleo Friendly
I knew I wanted to make soup when I saw these gorgeous veggies on my recent trip to the grocery store. I was hoping their color would keep after roasting and boiling, and boy was I happy when they blended into the loveliest shade of purple.

Roasted Purple Potato & Cauliflower Soup | Vegan and Paleo Friendly
Roasted Purple Potato & Cauliflower Soup | Vegan and Paleo Friendly
Roasted Purple Potato & Cauliflower Soup | Vegan and Paleo Friendly
It’s so simple to throw together too, with roasting being the most difficult part of the simple process. However, if you’re pressed for time you can simply forgo roasting and just boil them a little longer. Serve as an appetizer or with some crusty bread or a grilled sandwich for a hearty meal. Feel free to use regular sweet potatoes/cauliflower/carrots if you can’t find the purple variety (it will taste the same).

I hope you give it a try! Don’t forget to tag me in your picture if you post on social media. Enjoy, friends!

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Roasted Purple Potato & Cauliflower Soup


  • Author: Joscelyn Abreu
  • Total Time: 45 mins
  • Yield: 4-5 bowls 1x
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Description

This vibrant soup is comforting and flavorful. Made with purple sweet potatoes, cauliflower, & carrots, but any color will do if you cannot find purple veggies. Free of gluten, grains, & dairy. Vegan and paleo friendly.


Ingredients

Scale
  • avocado or coconut oil for drizzling in the pan
  • 4–5 cups medium sized cauliflower florets (any color)
  • 2 heaping cups peeled and chopped sweet potatoes (purple or orange)
  • 1 medium onion, peeled and chopped
  • 1/3 cup sliced fennel bulb
  • 4–6 garlic cloves, peeled and roughly chopped
  • 2 large carrots, peeled and chopped (purple or orange)
  • salt and pepper, to taste
  • 48 oz. low sodium chicken or vegetable broth, more may be needed

Instructions

  1. Preheat oven to 400F. Place cauliflower florets and sweet potatoes on a large baking sheet. Drizzle with oil and a sprinkle of salt and pepper. Toss to coat.
  2. Place on the bottom rack of the oven for 30 minutes, flipping veggies midway through baking, until veggies have began to caramelize and are slightly tender.
  3. To make the soup base, drizzle a little oil into a large dutch oven/pot and place on the stove over medium-high heat. Add onion and sauté for 1-2 minutes. Stir in fennel, garlic, and carrots. Continue to cook vegetables until fragrant and slightly wilted.
  4. Add roasted cauliflower and sweet potatoes to the pot. Pour in enough broth to generously cover all the veggies, about 6-8 cups. Bring soup to a boil, cover and reduce heat to medium-low. Let simmer until large vegetables are tender and can easily be pierced with a fork, about 10-15 minutes. Season broth with salt and pepper, to taste.
  5. Use an immersion blender or transfer soup to a high-powered blender (may need to do a few batches) and blend until creamy. Add additional broth to thin or seasoning, if needed.
  6. Serve soup warm. Optional: top with homemade croutons (bread cubes pan-fried with a little butter), quality olive oil, yogurt, coconut cream, or sprigs of fennel.
  • Cook Time: 45 mins
  • Category: Main, Gluten-Free, Vegan

Did you make this recipe?

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Filed Under: All Recipes Tagged With: carrots, Cauliflower, Dairy Free, Easy, fennel, Gluten Free, Healthy, Paleo, puree, Purple, soup, Sweet Potato, Vegan, Vegetable, Vegetarian, whole 30

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Reader Interactions

Comments

  1. Sari says

    September 1, 2021 at 2:06 pm

    Any tricks to maintain the bright ourple color?
    Can this soup be frozen?
    Looks amazing! Thanks!

    Reply
    • Joscelyn | Wife Mama Foodie says

      September 4, 2021 at 12:29 pm

      Hi Sari, the color really depends on how vibrant your veggies are. The more deep purple the potatoes/veggies, the brighter the soup will be. I like to use all red/purple veggies (to include the onions, carrots, and cauliflower) to get the most colorful soup. If you use white cauliflower, it will still be tasty, but will dilute the color some. Either way, I hope you enjoy it!

      Reply
  2. luckypatcher.club says

    May 28, 2019 at 1:39 pm

    Awesome colour of the soup loved it. Will surely try soon

    Reply
  3. Miriam says

    November 12, 2018 at 2:17 pm

    I was very excited to see the recipe for roasted purple potato and cauliflower soup. he bright purple colour was very appealing. when the new harvest vegetables came out I started scouting around for purple sweet potatoes, purple cauliflower, purple carrots, even purple onions. Lots of leg work and more expensive than standard sweet potatoes, carrots and cauliflower. I followed the receipe to a T, something I don’t usually do, as I take poetic license. The colour before blending was murky, but I hoped it would improved once I blended. Yes, the soup became purplish, but a dull brown purple, nothing like the appealing colour on your website. It tastes nice, nothing spectacular. Really, why trick people into thinking they will produce a colour that really can not be acheived without food colouring, which is probably what you used to get that bright purple colour.

    Reply
    • Joscelyn | Wife Mama Foodie says

      November 12, 2018 at 3:46 pm

      Hi Miriam, I’m sorry the soup didn’t turn out as purple as you were hoping, but please don’t accuse me of tricking people into making my recipes by using food coloring. It would defeat the purpose of trying to make recipes healthier, so I don’t ever use food coloring in my recipes. The color difference is probably just due to the fact that some potatoes are more vibrant than others, as are some heads of cauliflower, carrots, etc., which determines the color of the finished product. Using a dark colored broth can also cause the soup to be a more murky color as well. I’ve had people tag me in photos of their soups, which were all different colors, from dark purple to more of a dull lavender due to the light colored veggies they used. You can also google purple potato soup and get a variety of soup photos with a very similar color to this one. I try my best to display accurate results, because I actually like to avoid angry feedback, but unfortunately there is no way to please everyone all of the time. Again, I’m sorry you weren’t happy with the results, but I appreciate you taking the time to leave an honest review.

      Reply
  4. LA says

    March 18, 2018 at 9:38 am

    I LVE All things PURPLE! So when I found this recipe I haaaad to make it!

    I blended 3/4 and left 1/4 chunky for texture. Delish! Thanks for the recipe!

    Reply
    • Joscelyn | Wife Mama Foodie says

      March 18, 2018 at 11:25 am

      Yay, I’m so glad you enjoyed it LA! Thanks for taking the time to comment! Enjoy the rest of your weekend 🙂

      P.S. If you love purple foods, be sure to check out this purple blueberry pie I recently posted too! http://www.wifemamafoodie.com/blueberry-pie-with-purple-berry-crust/

      Reply
  5. Kristin says

    December 5, 2017 at 5:12 pm

    Are you using Stokes purple sweet potatoes or Okinawan purple sweet potatoes? They are not interchangeable since their sweetness is so different.

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 6, 2017 at 6:13 pm

      Hi Kristin! I believe these were Stokes purple sweet potatoes. But, if you’re not concerned about color, regular sweet potatoes can be used as well 🙂

      Reply
  6. Jane Newton says

    March 22, 2017 at 12:11 am

    I tried to make this soup tonight, and I had a little trouble. I couldn’t find purple cauliflower, so I just used regular white. I also could not get purple sweet potatoes, so I just used orange. I also had to use regular carrots.I decided to add purple potatoes to get that nice purple color. Unfortunately, it didn’t work out. The orange and purple combo resulted in a brown slurry that was not very appealing. I decided not to blend all of the veggies to hopefully disguise the brown color of the soup. It was tasty, but my family dubbed it s#*t stew because of the color. Please don’t make the same mistake I dd! If you make this. Use either purple veggies or orange veggies, but not both.

    Reply
  7. Joscelyn | Wife Mama Foodie says

    December 22, 2016 at 5:16 pm

    Lynn, thank you for your kind words. I really appreciate your encouragement. This recipe was so much fun to make and was a hit with the family. I love your cinnamon roll cookies recipe too. Merry Christmas to you and your family!

    Reply
  8. Lynn | The Road to Honey says

    December 21, 2016 at 9:08 am

    I am so like you. ..when the temperatures take a nose dive I can’t get enough soup. I just adore how warm it makes my tummy feel and it is just so satisfying.

    And this soup. . .boy, oh boy, is it pretty. That color is unbelievable and frankly I can’t help but smile every single time I see it. Now to go on the hunt for that gorgeous cauliflower.

    Reply
  9. Amisha says

    December 21, 2016 at 1:04 am

    The color of that soup is simply stunning! Beautifully shot too dear! Love seeing your posts! 🙂

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 22, 2016 at 5:00 pm

      Aw thank you, Amisha! I really appreciate you taking the time to comment and for the love. Have a beautiful Christmas, friend!

      Reply
  10. puja says

    December 20, 2016 at 4:27 am

    Wow, the purple potato cauliflower soup looks heavenly dear. It looks beautiful… 🙂

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 22, 2016 at 4:59 pm

      Thank you, friend! Have a beautiful weekend!

      Reply
  11. Andrea Bai says

    December 16, 2016 at 1:03 pm

    My coconuts and I LOVE purple potatoes! So adding this to the list!

    Glam Hungry Mom

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 17, 2016 at 3:38 pm

      Thanks Andrea! Merry Christmas

      Reply
  12. Kristin Cook says

    December 15, 2016 at 10:38 pm

    I have no idea if I would like this or not (I’m just now starting to enjoy cauliflower), but GOSH is it gorgeous! That is such a beautiful, bold shade of purple. I am in love with your photos of it!

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 17, 2016 at 3:39 pm

      Aw, thank you Kristin for your kind words! I hope you’re having a great weekend!

      Reply
  13. Nicole Kroutil says

    December 15, 2016 at 5:01 pm

    That is a photogenic soup! The purple is so exotic, I love it. I will definitely being trying this at some point to get me through the nasty winter!

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 17, 2016 at 3:42 pm

      Thank you, Nicole! You’re so sweet! I love nice, warm soups in cold winters. Merry Christmas to you!

      Reply
  14. Laura | Tutti Dolci says

    December 15, 2016 at 4:52 pm

    I was totally blown away when I saw this photo on IG – that color is almost unreal! What a gorgeous soup!

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 17, 2016 at 3:44 pm

      Thank you ! I appreciate your encouragement, Laura. Merry Christmas friend!

      Reply
  15. Anita Baffoni says

    December 15, 2016 at 1:32 pm

    This looks AMAZING! And such an amazing color. This would be a show stopper, for sure, at a dinner party or just a regular dinner. I can’t get enough of cauliflower, so this is right up my ally. Thanks for sharing!

    -Anita
    http://www.theaveragegirlchronicles.com

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 17, 2016 at 3:45 pm

      Aw, thank you Anita! It was so much fun making this soup. I hope you’re having a great weekend!

      Reply
  16. Erica Nicole says

    December 15, 2016 at 12:53 pm

    I am OBSESSED with purple sweet potatoes and all of this beautiful purple color! I love this!

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 17, 2016 at 3:48 pm

      Thank you Nicole! Me too I love purple sweet potatoes. Have a great weekend! xoxo

      Reply
  17. Stephanie Jeannot says

    December 15, 2016 at 12:41 pm

    I live cauliflower so I think I would enjoy this dish a lot.

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 18, 2016 at 7:06 pm

      Thanks, Stephanie. Merry Christmas!

      Reply
  18. Manali@CookWithManali says

    December 15, 2016 at 8:26 am

    What a beautiful soup!! Love love the color, sounds just about perfect for the cold weather! yum!

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 22, 2016 at 4:58 pm

      Thanks friend! You’re always so encouraging! Merry Christmas to you and your family. Have a wonderful weekend xoxo

      Reply
  19. Dana says

    December 15, 2016 at 7:52 am

    I love whenever people use purple cauliflower in things, so I think I might have to make this soup! It sounds so good!

    Dana
    http://www.somethinggoodblog.com

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 22, 2016 at 4:56 pm

      Thanks Dana. I hope you make it! I think you’d really like it! Merry Christmas!

      Reply
  20. Dylan Cutler says

    December 14, 2016 at 11:32 pm

    What a gorgeous soup! I love how creamy cauliflower makes soup. Thanks for the idea to add some color in there.

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 22, 2016 at 4:56 pm

      Dylan thank you! I really appreciate your encouragement! Have a merry Christmas!

      Reply
  21. Renee says

    December 14, 2016 at 6:57 pm

    I love this some of my favorite Foods and all purple!

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 22, 2016 at 4:49 pm

      Thank you Renee. I really enjoyed making this soup. The colors and vibrancy. It all came out so well. Have a merry Christmas!

      Reply
  22. Jasmine says

    December 14, 2016 at 6:14 pm

    This not only sounds declines but it looks beautiful! Love hearty soups like this for the colder weather.

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 22, 2016 at 4:48 pm

      Yes me too, Jasmine! Hearty soups by a fire on a cold day, now that’s a great scene. Thanks for stopping by. I hope you have a beautiful Christmas! xoxo

      Reply
  23. Rebecca @ Strength and Sunshine says

    December 14, 2016 at 4:30 pm

    The greatest potato <3 (Just had one at dinner!)

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 22, 2016 at 4:46 pm

      Yes, I agree. Have a Merry Christmas!

      Reply
  24. Minna Lee says

    December 14, 2016 at 2:56 pm

    Gosh the purple color really makes it something else and look so fancy! The color did not fade at all while cooking. Love this, Joscelyn. Nothing like soup to warm up this season!

    Reply
    • Joscelyn | Wife Mama Foodie says

      December 22, 2016 at 4:45 pm

      Thanks, Minna! I know, I was hoping the color wouldn’t fade like it tends to do after cooking and was pleasantly surprised when it actually deepened to a beautiful shade of purple! Soup is always a quick and comforting meal on a chilly day! Hope you’re having a wonderful Christmas week, my friend!

      Reply

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Hello! My name is Joscelyn and I love to share recipes that are healthy and delicious. Many of them are also free of dairy, gluten, and refined sugar! Pick out a recipe and let's get cooking! Read More…

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