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Instant Pot Cauliflower Soup

A heartwarming, creamy soup made with cauliflower, Parmesan, and sour cream, perfect for a cozy weeknight dinner.

By Marc Mccarthy ·JAN 13, 2026 ·Updated SEP 25, 2026 ·Be the first to rate
Instant Pot Cauliflower Soup
01Why this one

A Comforting Bowl You Didn’t Know You Needed

If you’re looking for a heartwarming, creamy soup that’s as easy to make as it is delicious, Instant Pot Cauliflower Soup is your answer. This recipe combines the earthiness of cauliflower with the richness of Parmesan and sour cream, creating a dish that’s perfect for weeknight dinners or cozy weekends. I often whip this up when I’m craving something comforting yet packed with veggies, and I promise, it always hits the spot.

Why You’ll Love This Dish

Cauliflower might not be the first vegetable that comes to mind when you think of a comforting soup, but let me tell you, this dish transforms it into something truly special. Here are just a few reasons to give it a try:

It’s Quick and Easy
With an Instant Pot, you can have this soup ready in a flash. Under 30 minutes from start to finish? Yes, please!
Budget-Friendly
This recipe is packed with wholesome ingredients that won’t break the bank, making it perfect for anyone watching their grocery bills.
Kid-Approved
Creamy, cheesy, and flavorful, this soup is a fantastic way to sneak in some veggies while keeping the kids happily munching.
Versatile
Whether it’s a rainy day, a gathering with friends, or a simple family meal, this soup fits seamlessly into any occasion.
02Before you cook

The Cooking Process Explained

Making Instant Pot Cauliflower Soup is straightforward and satisfying. It starts with roasting some delightful Parmesan croutons, then blending everything into a smooth, creamy soup. Here’s a brief overview of the steps involved:

  1. Prepare the Parmesan croutons.
  2. Sauté your cauliflower, garlic, and onion in the Instant Pot.
  3. Add the broth and seasonings, then pressure cook.
  4. Blend to creamy perfection and finish with sour cream and sun-dried tomatoes.

With just a few easy steps, you’ll have a bowl of pure bliss.

Gather These Items

Before you dive in, make sure you have the following key ingredients on hand:

  • 2-3 pounds of cauliflower florets
  • 4 teaspoons of minced garlic
  • 1 sweet onion, chopped
  • 6 cups of chicken broth
  • 1 carton of sour cream (about 16 ounces)
  • 1 tablespoon of coarse ground garlic salt
  • 1 teaspoon of seasoned pepper
  • 1 jar of sun-dried tomatoes
  • Crumbled turkey bacon for topping
  • 1 bunch of green onions, washed and finely chopped
  • 32 ounces of shredded Parmesan cheese (2 tubs of 16 ounces)
  • Italian seasoning

These ingredients come together to create a symphony of flavors in your bowl.

03At the stove

Step-by-Step Instructions

  1. Make the Croutons: Line a cookie sheet with parchment paper or a silicone mat. Scoop tablespoons of Parmesan cheese onto the sheet, allowing space between each mound. Sprinkle with Italian seasoning. Bake at 350°F for about 10-15 minutes, or until golden brown. Allow to cool before serving – these will be your crunchy topping!

  2. Prep the Soup: Rinse the cauliflower and break it into small florets. Chop the sweet onion.

  3. Cook Everything: In your Instant Pot, combine the cauliflower florets, chopped onion, minced garlic, chicken broth, garlic salt, and seasoned pepper. Mix well. Secure the lid on the Instant Pot, ensuring the pressure valve is set to sealing. Select the manual setting and set the timer for 10 minutes.

  4. Release Pressure: Once the cooking time is up, allow the Instant Pot to naturally release pressure. Confirm the float valve is down before removing the lid.

  5. Blend the Soup: Stir the soup, then use an immersion blender to blend it until creamy. Now, add the sour cream, reserving two sun-dried tomatoes, and about 8 ounces of Parmesan cheese. Stir until well combined.

  6. Serve It Up: Ladle the soup into bowls, adding two Parmesan croutons per serving. Drizzle a bit of oil from the sun-dried tomatoes over the top, and finish with crumbled turkey bacon and chopped green onions.

Instant Pot Cauliflower Soup
The recipe

Instant Pot Cauliflower Soup

Rate it ·Appetizer · Soup · American
Prep
10 MIN
Cook
20 MIN
Total
30 MIN
Serves
6

01Ingredients

6 servings

For the Parmesan Croutons

For the Soup

02Method

  1. Make the Croutons
  2. Prep the Soup
  3. Cook Everything
  4. Release Pressure
  5. Blend the Soup
  6. Serve It Up

Tap a step when it's done. The next one lights up.

0 OF 6 DONE

03Recipe notes

  1. 01Leftover soup can be stored in an airtight container for up to 3 days. Freeze for up to 3 months. To reheat, warm on the stovetop over medium heat, stirring frequently. Add broth or water to thin if necessary.
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04After dinner

Best Ways to Enjoy It

The creamy, rich flavor of this soup pairs wonderfully with a variety of sides. Consider serving it with a crisp salad topped with vinaigrette or crusty garlic bread for a comforting meal. If you’re looking to elevate your experience, serve alongside a glass of sparkling lemonade or sparkling water with lemon.

Storage and Reheating Tips

Good to know

Leftover soup can be a lifesaver for busy days ahead. Here’s how to store it properly:

FridgeUP TO 3 DAYS

Fridge: Store in an airtight container for up to 3 days.

FreezerUP TO 3 MONTHS

Freezer: Allow the soup to cool completely before transferring to freezer-safe containers. It can last up to 3 months. Thaw overnight in the refrigerator before reheating.

Reheat

Reheating: To reheat, warm on the stovetop over medium heat, stirring frequently until heated through. You can add a splash of broth or water to thin it out if it thickens too much.

Creative Twists

There are countless ways to customize your soup. Consider trying:

Different Cheeses
Swap out Parmesan with cheddar or feta for a unique flavor profile.
Herb Infusions
Experiment with fresh herbs like basil or thyme to give your soup a different twist.
Nutty Flavor
Stir in a dollop of tahini before blending for a nutty flavor that beautifully complements the cauliflower.

Frequently Asked Questions

How long does it take to make Instant Pot Cauliflower Soup?

From start to finish, you’re looking at about 30 minutes, making it a quick meal option.

Can I substitute ingredients?

Absolutely! Feel free to swap chicken broth for vegetable broth, use different cheeses, or even add extra veggies based on your preferences.

How can I make the soup thicker?

If you prefer a thicker consistency, blend the soup for longer, or add more cauliflower. You can also reduce the amount of broth.

What’s the best way to store leftovers?

Store leftovers in an airtight container in the refrigerator for up to 3 days. For longer storage, freeze it in a freezer-safe container for up to 3 months.

Now that you know how to make this delightful Instant Pot Cauliflower Soup, it’s time to roll up your sleeves and treat yourself. Dive into this comforting bowl of goodness and enjoy the blend of flavors!

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