Roasted Cauliflower White Cheddar Soup

Published September 19, 2013. Updated August 21, 2019

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If there’s a soup that you must try this Fall, please let this be it! This soup is equally as delicious, if not better, than broccoli cheese soup. I wouldn’t have thought it would be as good because cauliflower seems quite bland, but when you roast it in a blazing hot oven, it takes it to a whole new level.

It seems to caramelize on the edges and bring a light sweetness to the soup. It was hard for me not to eat all of the roasted cauliflower before adding it to the soup, I love the stuff!

Roasted Cauliflower White Cheddar Soup | Cooking Classy

I loosely adapted the recipe for this from the Broccoli Cheese Soup I have posted (which is maybe why I feel they are both so amazing), but I did however make this one just a bit lower in fat.

Since the cauliflower was able to offer some creaminess to the soup after pureeing, I didn’t need as much of the roux mixture (the butter and flour) and I also used a little less cheese.

Nutrition wasn’t really in mind when I added the lesser amount of cheese though, I just wanted some of the roasted cauliflower flavor to really show through. Truthfully, you could leave the cheese out all together and still have an irresistibly tasty soup (and I won’t say that often about cheese, I’m a cheese fanatic).

This soup is also wonderful served in the homemade bread bowls I posted just yesterday. Here is the link if you’d like to make them to go along with this soup. Enjoy!

Roasted Cauliflower White Cheddar Soup | Cooking ClassyRoasted Cauliflower White Cheddar Soup | Cooking Classy

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4.64 from 22 votes

Roasted Cauliflower White Cheddar Soup

The tastiest cauliflower soup! It has lots of flavor thanks to roasting the cauliflower and the delicious cheeses.
Servings: 4 Servings
Prep10 minutes
Cook30 minutes
Ready in: 40 minutes

Ingredients

  • 1 large head cauliflower (2 - 2 1/2 lb), cored and chopped into small, bite size pieces
  • 2 Tbsp olive oil
  • Salt and freshly ground black pepper
  • 3 Tbsp butter
  • 1 cup finely chopped yellow onion
  • 3 1/2 Tbsp all-purpose flour
  • 1 clove garlic , minced
  • 3 cups milk
  • 1 (14 oz) can low-sodium chicken broth
  • 1/2 cup heavy cream
  • 1 tsp dried parsley or 1 Tbsp chopped fresh
  • 1/4 tsp (slightly heaping) dried thyme or 1 tsp chopped fresh
  • 1 bay leaf
  • 1/4 tsp granulated sugar
  • 4 oz shredded sharp white cheddar cheese , shredded (1 cup), plus more for serving if desired
  • 1 oz finely grated parmesan cheese (slightly packed 1/4 cup)

Instructions

  • Preheat oven to 425 degrees. Place cauliflower on baking sheet, drizzle with olive oil and toss to evenly coat, then spread into an even layer and season lightly with salt and pepper.
  • Bake in preheated oven until golden, about 25 minutes. Remove from oven and set aside.
  • In a large pot, melt butter over medium heat. Add in onion and saute until tender, about 4 - 5 minutes. Add in flour and cook, stirring constantly 1 1/2 minutes, adding in garlic during last 30 seconds of cooking.
  • While whisking, slowly pour in milk followed by chicken broth and cream. Add in parsley, thyme, bay leaf, sugar, roasted cauliflower and season soup with salt and pepper to taste (I used 1/2 tsp salt but this may vary depending on how much salt you added to your cauliflower and how much salt you prefer).
  • Bring to a boil, stirring constantly, then reduce heat to low. Puree 3 cups of the soup in a blender (being careful as your working with hot liquids) and return to soup in pot.
  • Remove from heat and stir in sharp white cheddar and parmesan cheese. Serve warm garnished with additional shredded white cheddar and serve with fresh bread or croutons if desired.
  • Recipe Source: Cooking Classy, adapted lightly from my Broccoli Cheese Soup
Nutrition Facts
Roasted Cauliflower White Cheddar Soup
Amount Per Serving
Calories 523 Calories from Fat 369
% Daily Value*
Fat 41g63%
Saturated Fat 22g138%
Cholesterol 113mg38%
Sodium 465mg20%
Potassium 445mg13%
Carbohydrates 20g7%
Fiber 1g4%
Sugar 11g12%
Protein 18g36%
Vitamin A 1230IU25%
Vitamin C 16.4mg20%
Calcium 532mg53%
Iron 0.8mg4%
* Percent Daily Values are based on a 2000 calorie diet.
Nutrition values are estimates only. See full disclaimer here.

 

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156 Comments

  • Jess Wright @ The Cookbook Obsession

    I made this for lunch today and it was as huge smash success!! I left the chunks whole because my 2 yo likes to pick them out and eat them and eat them. A little pinch of cayenne and I was in heaven. :)
    Great recipe, it’s a keeper.

  • Diana

    I just made this soup and it is fabulous! I did not have milk so I substituted additional low sodium chicken broth and used half and half to desired consistency. With my low carb diet I substituted 1 drop liquid Stevia for sugar. It boosts the natural sweetness from roasted cauliflower. This is a fall/winter soup keeper!!
    Thank you for the recipe!

  • Arwen

    Don’t know if I ever commented before and forgot, but I wanted to say that my family loves this soup. I love soup and homemade bread better than almost anything so this recipe is made at least once a month. =) Thank you for sharing!

  • Kerry

    Do you think this recipe would freeze well? I have a bunch of cauliflower in my garden and I was going to just freeze it but now I am wondering if I should make some soup up to freeze for night’s when I don’t feel like cooking.

  • Martha

    Made it last night and even my picky 4-year-old said “Yumm!” I followed the recipe as is but saw someones suggestion of adding potato flakes to thicken it a little, it was perfection! My new favorite soup recipe! Thanks!

  • Don

    This soup has amazing flavor, Jaclyn! It was easy to make and delicious. Now one of my favorites.

  • Andrea

    I made in on a whim this morning because it’s a cold and snowing and I wanted warm soup for lunch. I only had a little cheddar cheese so I added some cream cheese and the soup was DELICIOUS! I added a little fresh cilantro too. Yummy.????

  • Patti

    my sister has alergy to dairy do you think you could make this with almond milk. I am not sure how almond milk is once heated? Anyone use it for soups?