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Creamy Instant Pot Cauliflower Soup

Instant Pot cauliflower soup is a creamy and delicious low carb meal our whole family loves! Easy to throw together keto soup you’ll make again and again. 

Pressure Cooker Cauliflower Soup

This Instant Pot cauliflower soup recipe might hit the spot right about now! Made with vegetables, potatoes and broth it is a creamy soup that can be vegetarian or flavored with bacon bits if you wanted. If it’s a bit chilly outside and you’re ready for a bowl of ultimate comfort food, this will hit the spot. It’s absolutely delicious. Looking for more easy Instant Pot recipes? (affiliate links present)

Ninja Foodi Cauliflower Soup

Yes you can make this even if you have a Mealthy, Crockpot Express or a Ninja Foodi. Any pressure cooker will do.

Just use our basic recipe below and add as many add ins as you like. That’s why we love pressure cooker soups, they’re customizable and everyone in the family is sure to love this one.

Let’s start with a few basic tips:

For reference, this is the pressure cooker I have and use for all recipe creations.

star wars instant pot

Instant Pot cauliflower soup recipe

We have cooked this white veggie all different kinds of ways. I have loved cauliflower steak air fryer style for a long time. Now it was time to cream it like this.

First you’ll want to prepare your main veggie. As with any head of cauliflower you’ll want to remove the leaves and cut down the end where it was attached to the plant. We have no use for that…but it’s great for your compost bin.

instant pot cauliflower soup
  • As for the potatoes you can use any type you prefer. We used russet here but every one comes with a different flavor and texture. Red would work well too, they will just be a bit firmer.

Broth comes down to preference too. Any of the 3 would be fine but we used chicken broth. If making vegetarian cauliflower soup you could substitute this for vegetable broth or water. 

Stock or broth will have a lot more flavor though so I recommend using that. I feel like you could make this gluten free easily too. 

instant pot cauliflower soup 2

Since we’re using a pressure cooker this will only take 5 minutes to cook! Of course it takes a few minutes to pressurize but once it does your dinner will be done in no time. The heavy cream and sour cream will go in after that step.

You don’t want to add those in at the very beginning or else there’s a chance of it curdling. We don’t want that!

Pressure cooker cauliflower soup

  • Head of cauliflower
  • Potatoes
  • Heavy cream
  • Sour cream
  • Broth or water
  • Cheese
    • sharp cheddar cheese is great
  • Onion
    • green onion optional
  • Chiles, canned
  • Seasonings, salt and pepper
  • Cornstarch for thickening

If you want puree the soup you can use an immersion blender but I don’t bother myself with that step. Just depends on what your desired consistency is.

instant pot cauliflower soup

Creamy Cauliflower Soup Recipe

We’ve also made a whole pressure cooker cauliflower and Instant Pot cauliflower mash which has been a hit too. If I can find purple or orange colored that turns out fun. You could use different colors in this soup if you wanted. There isn’t a change in flavor at all.

  • Total time to make this is under 30 minutes which is a major win. It’s like a thick and creamy potato soup with the addition of cauliflower. It really is quite yummy.

If you wanted to really jazz it up you could add some bacon bits or better yet saute some diced bacon in your pot first with olive oil. Don’t drain the bacon fat, leave that in there for added flavor!! OH YUM.

If you wanted to make this on the stove top it wouldn’t be much different.

  • You’d just want to add your initial ingredients on low/medium heat until the potatoes got quite tender.
  • Then add the sour cream and heavy cream mixture in step 3 and stir so it thickens.
  • Then serve!

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the typical mom

For slow cooker cauliflower soup you can follow these directions, you can also make mashed cauliflower on the stovetop.

Served with our garlic pull apart bread with refrigerated biscuits it’s the perfect dinner!

instant pot cauliflower soup
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5 from 1 vote

Instant Pot Cauliflower Soup

Instant Pot cauliflower soup is a creamy and delicious low carb meal our whole family loves! Easy to throw together keto soup you’ll make again and again. 
Course Appetizer, Entree, Main Course, Soup
Cuisine American
Keyword cauliflower soup, instant pot, potato, pressure cooker, soup
Prep Time 15 minutes
Cook Time 5 minutes
Total Time 20 minutes
Servings 8
Calories 257kcal
Author The Typical Mom



  • Add your diced potatoes, cauliflower, onions, broth, seasonings and butter into your Instant Pot.
  • Close lid and steam valve and set to high pressure for 5 minutes.
  • Do a quick release. In a small bowl whisk together the heavy cream, sour cream and cornstarch until smooth.
  • Pour this into your soup, press the saute button.
  • Allow to bubble and thicken the soup. Add your cans of chiles and cheese now.
  • Stir until well blended and thickens to your liking. Turn pot off/cancel. 
    Serve! If you desire a smoother soup use an emersion blender to blend and smooth soup more.
Nutrition Facts
Instant Pot Cauliflower Soup
Amount Per Serving (3 oz)
Calories 257 Calories from Fat 207
% Daily Value*
Fat 23g35%
Saturated Fat 14g88%
Cholesterol 75mg25%
Sodium 887mg39%
Potassium 248mg7%
Carbohydrates 6g2%
Sugar 1g1%
Protein 5g10%
Vitamin A 815IU16%
Vitamin C 23.2mg28%
Calcium 151mg15%
Iron 0.5mg3%
* Percent Daily Values are based on a 2000 calorie diet.
Recipe Rating

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Thursday 10th of September 2020

This was amazing! Although I admit I did make some changes. I was short two potatoes so used four cups cauliflower instead. I also left out the canned chili (was out), increased the cheese, and replaced the sour cream and cream with the last of my plain yogurt and whole milk (made sure it equaled the same amount). Figured I’d share in case anyone else was missing similar ingredients. This is definitely on the make again list. Thanks for sharing.

The Typical Mom

Friday 11th of September 2020

So glad you loved it

Jackson Chase

Tuesday 19th of November 2019

This looks delicious...I won't rate as I haven't cooked it yet, but want to, shortly! I have three questions: Roughly how many cups is 10 large potatoes? Same question re onion, as they come in SO many different sizes. Last question, can evaporated milk be used instead of heavy cream? I notice that it makes 8 servings, but the nutrition info says each serving is only 3 oz. That seems like a small serving size to me. Thanks Justine.

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