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    Home » Recipes

    Roasted Cauliflower Soup with Garlic and Spinach

    by Patti Estep · Sep 15, 2022

    Jump to Recipe
    close up image of cauliflower and spinach soup.
    Bowl of roasted garlic cauliflower soup over the entire pot of soup.

    This roasted cauliflower soup with roasted garlic and spinach is packed full of nutrients and is a healthy low-carb entree to keep you warm and satisfied.

    Roasted cauliflower garlic and spinach soup.

    Cauliflower is huge in the low-carb world because it has the starchy quality of a potato, but it only contains about 29 carbs for the entire head, vs 37 carbs for an average potato. So while we are trying to eat more healthily, I added roasted garlic and baby spinach to this soup.

    Roasted cauliflower and garlic on oven tray.

    Making Roasted Cauliflower Soup

    Roasting cauliflower gives it a nice nutty flavor. All you have to do is clean and cut it up. It's always a good idea to try to make your pieces uniform so that they cook equally in the oven. Throw in several garlic cloves or an entire head of garlic drizzled with EVOO and wrap it in aluminum foil. While a head of garlic may seem like a lot, the roasted flavor is much milder than fresh garlic, and remember that it's going in a large pot of soup.

    Roasted cauliflower soup in dutch oven.

    Adding baby spinach gives this dish a boost of vitamins and nice color. Did you know that spinach is high in protein? While I like the taste of spinach, it really doesn't have a strong presence in this soup but it adds a ton of nutrients. 

    Bowl of roasted cauliflower garlic and spinach soup.

    You can serve this delicious soup with crackers if you want, but it really doesn't need them. 

    Healthy comfort food you can really dig into.

    Patti signature

    More Cauliflower Recipes

    • Middle Eastern Top Rice
    • Spicy Roasted Cauliflower
    • Low Carb Corned Beef Hash
    Bowl of roasted cauliflower soup with garlic and baby spinach.
    Roasted cauliflower garlic and spinach soup.

    Roasted Cauliflower Soup Recipe

    Here's a light and healthy soup that's filling and tasty with cauliflower, spinach, and a few other ingredients for a warm and hearty soup you can feel good about.
    4.39 from 13 votes
    Print Recipe Pin Recipe
    Prep Time 30 minutes mins
    Cook Time 20 minutes mins
    Total Time 50 minutes mins
    Course Soups and Stews
    Cuisine American
    Servings 10 cups
    Calories 311 kcal

    Ingredients
      

    • 1 head garlic
    • 1 head cauliflower cleaned and cut up
    • 3 tablespoons olive oil
    • 1 12 oz package baby spinach leaves
    • 1 medium sweet onion
    • 1/2 teaspoon salt
    • 1/4 teaspoon black pepper
    • 1/2 teaspoon red pepper flakes
    • 2 quarts of chicken or vegetable broth

    Instructions
     

    • Cut off the top of the garlic head to expose the cloves.
    • Drizzle with olive oil and wrap in foil
    • Place cauliflower florets on a large baking sheet.
    • Drizzle with oil, and set the garlic packet on the pan too.
    • Bake in a 350 degree oven for about 1/2 hour, or until the cauliflower is nice and tender.
    • Saute onion in olive oil in a large saucepan for 3-5 minutes until softened.
    • Squeeze the garlic out from the skins into the pan
    • Add cauliflower and broth and stir.
    • Add salt, black pepper, and red pepper flakes.
    • Using an immersion blender, puree or blend the cauliflower. You could also transfer it to a blender and then back to the pot.
    • Add spinach.
    • Bring to a boil then reduce heat to low and simmer for 10 minutes.

    Nutrition

    Serving: 1gCalories: 311kcalCarbohydrates: 7gProtein: 28gFat: 19gSaturated Fat: 5gPolyunsaturated Fat: 12gCholesterol: 102mgSodium: 285mgFiber: 3gSugar: 3g

    Nutritional information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although attempts have been made to provide accurate nutritional information, these figures are only estimates.

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    About Patti Estep

    Patti is the creator of Hearth and Vine, a home and garden blog filled with projects to inspire your creative side. She loves crafting, gardening, decorating and entertaining at her home in Pennsylvania. When she is not working on a project at home or searching for treasures at nurseries and thrift stores with her girlfriends, you’ll probably find her with family and friends, at a restaurant, or home party enjoying new and different food adventures.

    Reader Interactions

    Comments

    1. Donna Webber

      September 16, 2022 at 12:07 pm

      I lived in Ohio for most of my life and never heard of Pawpaw. Looked it up on Google-interesting. I sent my relatives in Ohio a message to get me some Pawpaw and they thought I meant a man!! I now live in Michigan. We all had a good laugh. Thank you. I enjoy your postings so much and save them all.

      Reply
      • Patti Estep

        September 16, 2022 at 12:25 pm

        Donna, that is too funny! Thanks for your kind comments and good chuckle.

        Reply
    2. Jenny Young

      February 02, 2018 at 3:20 pm

      This looks so good! I have a cauliflower soup recipe I make that I love. I hadn't thought of adding spinach...I think it would really add some good flavor. I'll be saving this to try.

      Reply
      • Patti Estep

        February 03, 2018 at 1:17 pm

        Hi Jenny,

        I think there's a good chance that you'll love the spinach addition if you already love cauliflower soup. I hope you get a chance to try it.

        Reply
    3. Linda Nelson

      February 02, 2018 at 1:04 pm

      Yep, I'm making this one. I especially love the fact that it's made with commonly used ingredients.

      Reply
      • Patti Estep

        February 02, 2018 at 1:09 pm

        Hi Linda,

        I hope you love it as much as we did!

        Reply
    4. Carole

      February 02, 2018 at 7:29 am

      Oh wow that's a lot of garlic and because I LOVE it this sounds amazing. Getting some cauliflower today while at the grocery store and y'know I also LOVE spinach so thank you for sharing because it looks like I have lunch taken care of for the weekend. Soup is awesome this time of year.... Thanks for all those additional details didn't realize Cauliflower was so low in carbs. Sweet!

      Reply
      • Patti Estep

        February 02, 2018 at 9:00 am

        Hi Carole,

        It's great for a cold day, and really filling. I'm know this will be one of my go-to soups for now on. I hope you and Robert love it.

        Reply
    4.39 from 13 votes (13 ratings without comment)

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