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    Home » Soup Recipes

    Mushroom Cauliflower Soup

    Published: Sep 24, 2024 by Natsuko · This post may contain affiliate links · Leave a Comment

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    This mushroom cauliflower soup is super rich, creamy, and packed full of delicious flavors. Enjoy this comforting dish as a starter, or a light meal.

    Jump to Recipe Print Recipe
    Mushroom cauliflower soup with scallions, fried mushrooms, and sesame oil on top.

    Mushroom cauliflower soup is filled with a robust umami-rich flavor from shiitake mushrooms, sautéed onion, and garlic. There is a whole head of cauliflower that makes this dish perfectly creamy without cream, and truly satisfying.

    The vegetables are sautéed, simmered in broth until soft, then pureed extremely smooth. Although the ingredients are very simple, it has a complex mix of flavors which makes you addicted. 

    It is such a delicious, nourishing dish that you would be making again and again!

    Jump to:
    • Tips for making this recipe
    • Ingredients for this recipe
    • How to make mushroom cauliflower soup
    • Frequently asked questions
    • Recipe
    Mushroom cauliflower soup being scooped with a spoon.

    Tips for making this recipe

    • Sauté well. Number one tip for this recipe is to sauté the shiitake mushrooms and onion really well. Browning these vegetables helps to bring out the natural sweetness and rich umami that create the base flavor of the dish.
    • Add toppings. I like to drizzle some toasted sesame oil and sprinkle scallions on this soup. The sesame oil brings out the deep mushroom flavor even more, and the scallions add a nice texture as well as a herby aroma.

    Also, shallow fry any leftover mushroom slices in a pan. They work great as a topping!

    Ingredients for this recipe

    • Olive oil - Or any neutral tasing oil such as avocado or canola oil.
    • Garlic, chopped
    • Onion
    • Shiitake mushrooms - Stems removed and sliced.
    • Cauliflower head - An average medium cauliflower weighs around 2lb. After preparing, the total for the florets becomes around 1 ¼lb.
    • Vegetable broth - Or chicken broth, if preferred.
    • Unsweetened almond milk - Or any non dairy milk.
    • Salt and pepper

    Toppings:

    • Thinly sliced scallions
    • Sesame oil

    How to make mushroom cauliflower soup

    1. Cook the garlic. Heat up the olive oil in a large saucepan and cook the garlic until fragrant.

    2. Sauté the vegetables. Add in the sliced onion and mushrooms. Cook until the vegetables are tender and browned.

    Chopped garlic cooked in a saucepan.
    Shiitake mushroom slices and onion being cooked in a saucepan.

    3. Simmer. Add in the cauliflower florets and vegetable broth. Scape off any burned bits at the bottom of the pan (deglaze). Cover with a lid and simmer for about 20 minutes.

    Mushrooms, cauliflower florets, and onion being simmered in broth.
    Shiitake mushrooms, cauliflower and onion being simmered in a saucepan.

    4. Smoothen. Add in the almond milk. Then puree the soup using an immersion blender or a blender until very smooth.

    5. Season. Adjust the thickness with extra milk if desired. Adjust the flavor with salt and ground pepper. 

    6. Serve. Top with scallions and toasted sesame. Drizzle sesame oil upon serving.

    Mushroom cauliflower soup being pureed with an immersion blender.
    Mushroom cauliflower soup with scallions, fried mushrooms, and sesame oil on top.

    Frequently asked questions

    Can I use other mushrooms?

    Shiitake mushrooms are packed full of bold umami rich flavor. Can be substituted with baby portobello mushrooms if needed.

    How should I store this soup?

    Mushroom cauliflower soup can be tightly covered and refrigerated for up to 5 days. Microwave to reheat, or cook over the stovetop until warm.

    Recipe

    Mushroom cauliflower soup being scooped with a spoon.

    Mushroom Cauliflower Soup

    This mushroom cauliflower soup is super rich, creamy, and packed full of delicious flavors. Enjoy this comforting dish as a starter, or light meal. This recipe is gluten-free and vegan.
    No ratings yet
    Print Recipe Pin Recipe
    Prep Time 10 minutes mins
    Cook Time 30 minutes mins
    Total Time 40 minutes mins
    Course Soup
    Cuisine Asian inspired
    Servings 6 people
    Calories 78 kcal

    Equipment

    • 1 x large saucepan

    Ingredients
     
     

    • 1 tablespoon olive oil
    • 3 cloves garlic chopped
    • 1 medium onion sliced
    • 10 large shiitake mushrooms stems removed and sliced
    • 1 medium cauliflower about 1¼ lb prepared
    • 4 cups vegetable broth
    • 1 cup unsweetened almond milk or more
    • Salt to taste
    • Ground black pepper to taste

    Toppings:

    • Thinly sliced scallions
    • Toasted sesame oil
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    Instructions
     

    • Heat up the olive oil in a large saucepan and cook the garlic until fragrant.
    • Add in the sliced onion and mushrooms. Cook until the vegetables are tender and browned.
    • Add in the cauliflower and vegetable broth. Scape off any burned bits at the bottom of the pan (deglaze). Cover with a lid and simmer for about 20 minutes.
    • Add in the almond milk. Then puree the soup using an immersion blender or a blender until very smooth.
    • Adjust the thickness with extra milk if desired. Adjust the flavor with salt and ground pepper.
    • Top with scallions and toasted sesame. Drizzle sesame oil upon serving.

    Notes

    Shallow fry any leftover mushroom slices in a pan. They work great as a topping!
    I do not recommend using the stem for this recipe, as the stem is fibrous and will require sieving the soup afterwards.
    Nutrition does not include the amount for toppings.

    Nutrition

    Serving: 1servingCalories: 78kcalCarbohydrates: 11gProtein: 3gFat: 3gSaturated Fat: 0.5gPolyunsaturated Fat: 1gMonounsaturated Fat: 2gSodium: 713mgPotassium: 390mgFiber: 3gSugar: 5gVitamin A: 334IUVitamin C: 48mgCalcium: 79mgIron: 1mg

    The nutritional information on this website is only an estimate and is provided for convenience and as a courtesy only. The accuracy of the nutritional information for any recipe on this site is not guaranteed.

    Tried this recipe?Mention @platesbynat or tag #platesbynat!

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    Natsuko Tiong, author of food blog: Plates by Nat

    Hi I’m Natsuko – recipe developer, writer, and photographer behind this blog. Made in Japan, based in Colorado US. Favorite things include peanut butter, matcha, and traveling!

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