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    Home ยป Recipes ยป Instant Pot ยป Cauliflower Cheese Soup – Instant Pot + Slow Cooker recipe

    LAST UPDATED: January 29, 2022 โ€ข FIRST PUBLISHED: November 12, 2020 By Toni Dash 11 Comments

    Cauliflower Cheese Soup – Instant Pot + Slow Cooker recipe

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    This post may include affiliate links. As an Amazon Associate I earn from qualifying purchases.

    cauliflower cheese soup title image

    Cauliflower Cheese Soup is creamy and delicious. Fresh cauliflower, onions, and garlic are cooked to perfect in the Instant Pot with delicious broth. Then pureed into a satisfying comfort food recipe you’ll love. Slow Cooker instructions included too.

    cauliflower cheese soup title image
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    cauliflower cheese soup title image

    This soup is fast and so easy to make in the Instant Pot!

    The soup is thick and creamy. Like our Broccoli Cheese Soup it has just the right balance of vegetables and cheese for a delicious flavor!

    Easy Cauliflower Cheese Soup

    If you haven’t enjoyed cauliflower soup it’s light in flavor. The texture and flavor remind me of a potato soup.

    The taste of cauliflower is light and there is just enough cheese to make the soup perfect without overtaking the flavor.

    It is ready in less than 30 minutes (only 12 minutes cooking time).

    The soup is satisfying enough to be served as a main dish recipe. If you want it for a starter we have ideas what to serve with it below!

    It stores well in the refrigerator and reheats quickly in the microwave too.

    The soup is naturally gluten-free.

    Cauliflower Cheese soup in bowl close up

    Recipe Ingredients + Notes

    Cauliflower Florets. Select fresh cauliflower without blemished on the florets (the little clusters of cauliflower). For a time saving tip buy pre-cut florets in a bag in the produce department of the grocery store.

    Garlic clove. For flavor.

    Yellow Onion. For flavor.

    Olive Oil. The oil is added to the soup ingredients when pressure cooked or cooked in a slow cooker.

    Broth. Either chicken broth or stock, or vegetable stock/broth may be used. I recommend low sodium then salt to taste at the end.

    Heavy Cream. A bit is added after the cooking to make the soup creamy.

    White Sharp Cheddar Cheese. Sharp white cheddar adds just the right amount of cheese flavor and doesn’t change the color of the soup. Grate the cheese yourself for best melting results.

    Salt. We prefer kosher salt which is a less salty tasting salt. There is an amount of salt specified in the recipe and more can be added ‘to taste’ at the end.

    Black Pepper. If possible use freshly ground black pepper for the best flavor.

    cauliflower cheese soup ingredients

    Variations

    Instead of Heavy Cream swap in some Coconut Cream. Or use regular milk with a few tablespoons whisked in to thicken the soup.

    Substitute another cheese. Any cheese you like can be used. It’s great with mozzarella cheese too!

    Garnish Suggestion

    Adding a toasted cauliflower floret as garnish is a nice finishing touch. To make it:

    Heat a small amount of olive oil in a small saucepan or skillet over medium heat.

    Sauté the florets with a sprinkle of salt and pepper until soft with some browning.

    Crumbled bacon is also delicious!

    How to Make it – Step-by-Step (Instant Pot)

    STEP 1. Cooking the Soup.

    Add the onions, garlic, cauliflower, olive oil and chicken stock into the Instant Pot (photos 1-2).

    Seal the Instant Pot. Cook on HIGH PRESSURE for 12 minutes.

    Perform a QUICK RELEASE (photo 3).

    cauliflower cheese soup recipe steps 1-2

    STEP 2. Finishing and Pureeing the Soup.

    Add the heavy cream, shredded cheese, salt and pepper (photo 4). Stir in the cheese to melt it.

    Use an immersion blender to puree the soup (photo 5).

    Alternatively you can use a regular blender. Working in batches, puree the soup in the blender then combine after it’s all smooth.

    Season with salt and pepper as needed.

    cauliflower cheese soup recipe steps 3-5

    Slow Cooker Cauliflower Soup

    1. Combine the cauliflower, garlic, onion, olive oil and broth in a 6-quart slow cooker.
    2. Cook on LOW for 5 hours until the cauliflower is tender.
    3. Add the heavy cream, shredded cheese, salt and pepper; stir together to melt the cheese.
    4. Use in immersion blender to puree the soup.

    Recipe FAQ’s + Pro Tips

    Can Cauliflower Cheese Soup be Frozen?

    Yes with a modification!

    Soups with dairy milk or cream do not do well being frozen then thawed. They become grainy as the dairy separates through the freezing process.

    If you’d like to make the soup to freeze it follow these instructions for the best end result:

    1. Cook the cauliflower, vegetables, olive oil and broth as specified.
    2. DO NOT add the cream or shredded cheese. 
    3. Puree the soup as instructed and let it cool completely.
    4. Put it in airtight freezer safe containers or bags and freeze for up to three months.

    When ready to eat it:

    • Thaw the soup in the refrigerator overnight.
    • Warm the soup in a large pot on the stove top.
    • When fully heated through add the cream and shredded cheese. Stir to melt the cheese.
    • Season with salt and pepper as needed.

    Grate your own cheese. Though store-bought shredded cheese is so convenient it contains an anti-caking agent that also makes it melt differently.

    If you grate the cheese yourself it only takes a few minutes but the result is much better.

    Use an immersion blender. Immersion blenders or stick blenders are a fantastic kitchen tool for pureeing soup in the cooking vessel.

    It allows you to control how chunky you want it or how smooth. Blending the soup IN the Instant Pot is easy and no spooning piping hot soup into a blender.

    Cauliflower Cheese soup in bowl side view

    What to Serve with it

    Because the soup is filling pairing with a salad or sandwich is all you’ll need!

    Or just serve with some bread or soft breadsticks.

    Because the flavor of the soup is subtle try to pair with something that won’t overpower the soup.

    Here are some favorites:

    • Chicken Salad. This could be served on a bed of lettuce OR on bread as a sandwich filling.
    • Broccoli Sausage Pasta Salad
    • Winter Salad & Warm Cranberry Honey Dressing
    • Sicilian Cauliflower Salad. This pairing is a cauliflower lovers dream meal!
    • Chicken Parmesan Sliders – Instant Pot recipe
    • Bacon-and-Egg Salad Sandwich with Sprouts
    • Homemade Garlic Bread + Breadsticks recipe (No Knead)
    • Irish Soda Bread
    • Cornbread Recipe

    Storing Leftovers

    Once the soup has cooled store in an airtight container in the refrigerator for up to 4 days.

    I store it in a Mason jar which makes it easy to pour into a bowl and reheat in the microwave.

    Cauliflower Cheese soup in bowl

    More Recipes You’ll Love!

    • Buffalo Cauliflower
    • Broccoli Cheese Soup
    • Spiced Indian Cauliflower and Potatoes {Aloo Gobi}
    • Lemon Garlic Broccoli
    • Mexican Fiesta Cauliflower Rice
    Did you make it? Please RATE THE RECIPE below!

    Please SUBSCRIBE and FOLLOW ME on FACEBOOK , TWITTER , INSTAGRAM and PINTEREST !

    Recipe

    cauliflower cheese soup title image

    Cauliflower Cheese Soup

    This fast and easy soup recipe has a thick consistency with light cauliflower and cheese flavor.
    5 from 11 votes
    Print Save Recipe Recipe Saved! Pin Rate
    Course: Soup
    Cuisine: American
    Prep Time: 12 minutes minutes
    Cook Time: 12 minutes minutes
    Total Time: 24 minutes minutes
    Servings: 6 1-cup servings (total yield: 6 cups)
    Calories: 202kcal
    Author: Toni Dash
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    Equipment

    6 quart Instant Pot

    Ingredients

    • 6 cups Cauliflower florets
    • 1 medium Yellow Onion chopped
    • 1 clove Garlic minced
    • 1 tablespoon Olive oil
    • 1 ¾ cups Chicken or Vegetable Broth low sodium
    • ½ cup Heavy cream
    • 1 cup shredded White Cheddar Cheese
    • 1 teaspoon Salt
    • 1/2 teaspoon ground Black Pepper

    Instructions

    Instant Pot instructions

    • Place the onion, garlic, cauliflower florets, olive oil and broth into the Instant Pot. Close the lid and valve and set on HIGH PRESSURE for 12 minutes.
    • Perform a QUICK RELEASE and remove the lid.
    • Add the heavy cream, white cheddar cheese, salt and pepper. Stir to melt the cheese.
    • Use an an immersion blender to puree the soup until it is smooth and creamy.
      Alternatively the soup can be processed in batches with a regular blender.

    Slow Cooker instructions

    • Cook on LOW for 5 hours until the cauliflower is fork tender.
    • Use an immersion blender to process until smooth.

    Notes

    Garnish option - Toasted Cauliflower
    For the toasted cauliflower on top: Heat a little bit of olive oil in a small saucepan over medium heat. Saute the cauliflower florets with a sprinkle of salt and pepper.
    Variations
    • Swap the heavy cream for coconut cream or for a little bit of milk and a tablespoon cornstarch.
    • You can also use any cheese you have on hand. It's delicious with some grated mozzarella on top too.

    Nutrition

    Calories: 202kcal | Carbohydrates: 8g | Protein: 8g | Fat: 16g | Saturated Fat: 9g | Cholesterol: 47mg | Sodium: 794mg | Potassium: 414mg | Fiber: 2g | Sugar: 3g | Vitamin A: 480IU | Vitamin C: 55mg | Calcium: 179mg | Iron: 1mg
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    Did you make this recipe?Mention @boulderlocavore or tag #boulderlocavore!
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    Reader Interactions

    Comments

    1. Lindsay Cotter says

      November 15, 2020 at 5:09 pm

      5 stars
      This cauliflower cheese soup cos a new favorite for soup night in our house! So easy to make and delicious!

      Reply
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    Welcome! Iโ€™m Toni Dash. Iโ€™m a Certified Nutrition Coach and the professional writer/blogger, photographer, recipe developer and creator of Boulder Locavoreยฎ. Iโ€™m so glad you are here!

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