A heartwarming vegan and gluten-free soup recipe you can make for your family. This creamy cauliflower and celery root soup with roasted shiitakes is packed with the best flavors of the winter vegetables. It is so easy-to-make, surprisingly delicious and full of superfoods.
It is hard to believe that after (almost) despising cauliflower for many years, I now have a food blog filled with recipes made with it as the main ingredient. Seriously, what was I thinking? I can easily say that this year we ate cauliflower more than any other vegetable. And that wasn’t just because the majority of the year we were living on an island and it was one of the only vegetables that was consistently available, but also because until the beginning of 2015 I didn’t know how versatile it was. I think the turning point for me was this Cauliflower Steak Sandwich that I adapted from a small restaurant in Chicago.
Celery root, on the other hand, has always been a vegetable that I loved. Growing up, different kinds of dishes made with celery root, as the main ingredient was a winter staple in our house. To me, the sweet and somewhat bitter flavors of this winter vegetable still reminds me of home. I am in the process of perfecting some of my mother’s celery root recipes and plan to share them sometime in the future.
About this Creamy Cauliflower and Celery Root Soup with Roasted Shiitakes recipe:
And this soup my friends, is a mixture of my new and old favorite vegetables of all times: cauliflower and celery root. It is an incredibly flavorful soup that is easy and quick to make on a Tuesday night with a little prep in advance. I say that because another flavor agent for this soup is roasted garlic, which is one of those things that I keep in my fridge at all times. Anytime I want to enhance the flavors of a simple dip, salad dressing, and/or a soup, I use roasted garlic as my secret ingredient. Most of the time just one or two cloves of roasted garlic can transform a dish and make people ask for the recipe.
However for this soup, with a whooping 2-roasted garlic bulbs, it is as important as the other two main ingredients. And surprisingly, it does a really good job elevating the flavors of cauliflower and celery root rather than taking over the whole soup.
For the recipe below, I used garlic that I had roasted over the weekend as I was trying to save some time. But if you want, you can certainly roast them while the other vegetables are cooking. You can find the recipe of how to roast garlic here.
But, wait. I think the best part of this soup is the roasted shiitake mushrooms on top. After sprinkled with a little bit of olive oil, salt and black pepper, it takes less than 20 minutes to roast them. My whole family was blown away about how well it paired with the soup. We loved it so much so that lately I have been topping pretty much all our breakfast dishes (i.e. our morning toast (spread with a little cream cheese), savory oatmeal, and eggs) with roasted shiitake mushrooms. Seriously, if you like mushrooms, it is addictive. Once you try it, I guarantee you will want to make more of it for snacking as you are making dinner.
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Creamy Cauliflower and Celery Root Soup with Roasted Shiitakes
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Total Time: 50 minutes
- Yield: 6
- Category: Soup
- Method: Cooking
- Cuisine: American
- 2 large garlic bulbs, roasted (get the recipe from the link in notes)
- 2 + 1 tablespoons olive oil, divided
- 1 medium onion, chopped
- 1 medium-size head of cauliflower (2 pounds), cut into small florets
- 1 medium celery root, peeled and cut into 1-inch cubes
- 6 cups water
- 1 cup shiitake mushrooms, wiped with paper towel
- 1 teaspoon tamari (or apple cider vinegar)
- Sea salt + Black Pepper
- 1/4 cup of chopped chives, as garnish
- Pre-heat the oven to 400 degrees. Line a baking sheet with parchment paper and set aside.
- Heat 2 tablespoons of olive oil in a large Dutch oven (or a heavy bottom pot) in medium heat. Add in the chopped onion and sauté until translucent, 4-5 minutes.
- Stir in the cauliflower florets, celery root, water, 2 teaspoons salt and 1/2 teaspoon freshly ground black pepper. Cover the pot, lower the heat to medium-low and cook until vegetables are soft, 15-20 minutes.
- Meanwhile, cut the stems of the mushrooms and discard. Slice them into 1/2-inch slices. Spread them on the baking sheet. Drizzle with 1-tablespoon olive oil. Sprinkle with 1/2 teaspoon salt and 1/4 teaspoon of black pepper. Bake in the oven for 10-15 minutes. Give them a gentle stir hallway through. Set aside.
- When the vegetables are cooked add in the roasted garlic, puree soup with an emersion blender (or a food processor or an upright blender) until completely smooth and creamy. Taste for seasoning and add if necessary.
- Pour the now-pureed soup back into the pot, stir in the tamari, and heat for 5-10 minutes, stirring occasionally.
- When ready to serve, ladle the soup into bowls. Top it off with roasted shiitake mushrooms and garnish it with chopped chives.
Adapted with minor changes from Amy Chaplin’s cookbook: At Home in the Whole Food Kitchen.