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Loaded Mashed Cauliflower

Cheesy, garlicky, loaded mashed cauliflower prepared in the Instant Pot! This is the perfect, most delicious low-carb swap for mashed potatoes.

Instant Pot Mashed Cauliflower topped with bacon, melted cheddar cheese, and scallions.

Whip up some mashed cauliflower and add sour cream, cheddar, and bacon. Low-carb and keto-friendly, this isn’t just another mashed potato swap—it’s a side dish you’ll return to repeatedly. Seriously, it’s that tasty! Instant Pot Mashed Cauliflower is super quick to make, so flavorful, and a much lighter alternative to potatoes.

I won’t say that mashed cauliflower tastes just like my creamy mashed potatoes, but the texture is pretty much spot on, and it is delicious! Besides, when you add on all the wonderful toppings – bacon makes it all better – you will forget that you’re eating veggies and not taters.

What is Mashed Cauliflower

Cauliflower is a great substitute for swapping out starchy foods like potatoes and rice. For example, check out this ground beef cauliflower rice casserole. It’s got the works: beef, cheese, sour cream – yet it’s lighter on the waistline. The carbs in this cauliflower mash are just 10 grams per serving, as opposed to 35 grams in mashed potatoes. But even if you’re not counting carbs, it’s a wonderful side dish that pairs with tons of mains. This is also the fastest side dish you’ll ever make. The cauliflower takes about 3 minutes to cook in the Instant Pot.

Spooning out mashed cauliflower topped with melted cheddar and diced bacon.

Ingredients You Will Need

Here’s a quick rundown of the key ingredients you’ll need for our delicious mashed cauliflower recipe, along with some handy substitutes just in case you need them.

  • Cauliflower: I used a large head and cut it up into smaller florets.
  • Water/Chicken Broth: Used to steam the cauliflower. Vegetable broth is also okay.
  • Garlic: I use fresh garlic, but garlic powder can be used.
  • Butter: Provides richness and helps to create a creamy texture.
  • Sour Cream: Adds tanginess and creaminess.
  • Dry Mustard Powder: A dash of prepared mustard can be used in a pinch.
  • Chili Powder: Gives a mild heat and depth of flavor. Use paprika for less heat or cayenne pepper for more.
  • Salt and Black Pepper: Use garlic salt or lemon pepper for a flavor twist.
  • Shredded Cheddar Cheese: Melts into the cauliflower, adding a gooey texture. Feel free to use any melty cheese you prefer, like mozzarella or Gouda.
  • Freshly Grated Parmesan Cheese: Adds a nutty, salty flavor that complements the creamy base.
  • Low Sodium Thick Cut Bacon: You can use turkey bacon for a lighter option.
  • Green Onions: Used as a garnish, adding a fresh, sharp bite. Use chives or diced red onion for a similar crunch and color.

How To Make Mashed Cauliflower

Follow these simple steps to whip up cauli mash in the instant pot, transforming a few basic ingredients into a creamy, flavorful side dish that’s so delicious and impressive.

  1. Prep the IP. Set the steamer basket inside the Instant Pot. I don’t always use the steamer basket, so I can definitely tell you that it works even without it.
  2. Prep the cauliflower. Break up the cauliflower into florets and transfer them to the basket inside the Instant Pot.
  3. Cook. Cook the cauliflower for 3 minutes with water or chicken stock. When the cauliflower is done cooking, drain out all of the liquid.
  4. Blend. Transfer the cauliflower to a food processor or blender; add a bit of butter, some sour cream, and your choice of seasonings. Process until it starts to resemble mashed potatoes – this will take just seconds. You can also use a potato masher, though the mixture won’t be as creamy.
  5. Finish. Put the mashed cauliflower in a baking dish; top with shredded cheese and crumbled bacon. Bake for 5 minutes, or until the cheese is melted.

Recipe Tips

  • Drain Well: After cooking, make sure to drain the cauliflower well to remove any excess moisture. This ensures a thicker, creamier mash.
  • Use a Food Processor or Immersion Blender: For a smooth consistency, blend the cauliflower in a food processor or with an immersion blender. A traditional masher can leave the mash a bit chunky, which is great if that is the texture that you want.
  • Season Generously: Cauliflower can be somewhat bland on its own, so don’t be shy with seasonings. Salt, pepper, garlic, and even a touch of nutmeg can elevate the flavor.
  • Storage: If you have leftovers, store them in an airtight container and keep them in the refrigerator. Reheat gently on the stove or in the microwave, adding a touch of milk or butter if needed to refresh the consistency.
Instant Pot Mashed Cauliflower served in a large white bowl and topped with melted cheese and diced bacon.

More Cauliflower Recipes

Instant Pot Loaded Mashed Cauliflower - Cheesy, garlicky, flavor loaded mashed cauliflower prepared in the Instant Pot! This is the perfect, most delicious low-carb swap for mashed potatoes!

Instant Pot Loaded Mashed Cauliflower

Katerina | Diethood
Cheesy, garlicky, flavor loaded mashed cauliflower prepared in the Instant Pot! This is the perfect, most delicious low-carb swap for mashed potatoes!
5 from 2 votes
Servings : 4 serves
Prep Time 10 minutes
Cook Time 10 minutes
Total Time 20 minutes

Ingredients
  

  • 1 large head cauliflower, core removed and roughly cut into florets
  • cups water, you can also use chicken broth
  • 1 to 2 cloves garlic
  • ½ tablespoon butter
  • 1 tablespoon sour cream
  • ¼ teaspoon dry mustard powder, or to taste, optional to use
  • ¼ teaspoon chili powder, or to taste, optional to use
  • salt and fresh ground black pepper, to taste
  • ¾ cup fat free shredded cheddar cheese
  • ¼ cup freshly grated Parmesan cheese
  • 4 slices low sodium thick cut bacon, cooked to a crisp and diced
  • 2 green onions, sliced, for garnish

Instructions
 

  • Preheat oven to 375˚F.
  • Pour water or broth into the insert of your Instant Pot.
  • Place the steamer basket inside the Instant Pot and transfer the cauliflower florets to the basket.
  • Close the lid and set the valve to sealing. Set on manual setting and cook on high pressure for 3 minutes.
  • Use the quick release function to release the pressure.
  • Drain out all of the liquid and transfer the cauliflower to a food processor or blender. You can also use an immersion blender.
  • Add garlic, butter, sour cream, dry mustard, chili powder, salt, and pepper to the blender; process until blended and creamy. I recommend using the pulse function because you have more control over how creamy or chunky you want your cauliflower mash.
  • Transfer the cauliflower mixture to a baking dish. Top with the cheeses and bacon and bake for 5 minutes or until the cheese is melted.
  • Sprinkle green onions over the top and serve.

Notes

  • Choose Fresh Cauliflower: Look for cauliflower heads that are firm with tight florets and free of brown spots.
  • Drain Well: After cooking, make sure to drain the cauliflower well to remove any excess moisture.
  • Use a Food Processor or Blender: For a smooth consistency, blend the cauliflower in a food processor or with an immersion blender. For a chunkier mash, use a traditional potato masher.
  • Season Generously: Cauliflower can be bland, so don’t be shy with salt, pepper, chili powder, and dry mustard. 
  • Store Properly: If you have leftovers, store them in an airtight container and keep them in the refrigerator. Reheat gently on the stove or in the microwave, adding a touch of milk or butter if needed to refresh the consistency.

Nutrition

Calories: 272 kcal | Carbohydrates: 10 g | Protein: 15 g | Fat: 20 g | Saturated Fat: 8 g | Polyunsaturated Fat: 3 g | Monounsaturated Fat: 8 g | Trans Fat: 0.1 g | Cholesterol: 39 mg | Sodium: 540 mg | Potassium: 554 mg | Fiber: 3 g | Sugar: 3 g | Vitamin A: 271 IU | Vitamin C: 71 mg | Calcium: 189 mg | Iron: 1 mg

Nutritional info is an estimate and provided as courtesy. Values may vary according to the ingredients and tools used. Please use your preferred nutritional calculator for more detailed info.

Course: Side Dish
Cuisine: American
Keyword: easy cauliflower recipe, instant pot cauliflower, instant pot recipe, mashed cauliflower recipe
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21 comments on “Loaded Mashed Cauliflower”

  1. Made this last night. Sooo delicious! And so easy for busy days!! Thank you for sharing!! I am new to this whole low carb thing. The nutrition facts say it is 4 servings with 1 carb per serving. I used a medium head of cauliflower, which has 17 net carbs. Would the carbs be 4ish per serving, or is it less because of cutting out the core and using florets?

    1. Katerina - Diethood
      Katerina Petrovska

      Hi! 😊
      Yes, it would be less because the core is cut out and the stems – it weighs less without all that. If you’re counting down to the 0.1 gram of carbs, get a kitchen scale, asap, if you don’t already have one. 😀 That’s the only way to keep track, accurately.

  2. Avatar photo
    Heather Torre

    I’m assuming the 1 1/2 cups water or chicken broth are supposed to be added to the instant pot along with the cauliflower? You never state that in the instructions.

  3. Your first instruction say to add milk? But the recipe card doesn’t have milk in the ingredients… Would you please clarify for me? Thank you! I can’t wait to make this for Thanksgiving 🙂

    1. Katerina - Diethood
      Katerina Petrovska

      Hi!! You don’t need the milk… and I have no idea why I wrote milk up there. :-/ Very sorry! Will fix it right away.

    1. Katerina - Diethood
      Katerina Petrovska

      Just as I was about to say, use cream cheese!😁Since it’s only a tablespoon, you can do without it, or you can just use a bit more butter and, if you want, a splash of heavy cream.

  4. Avatar photo
    Rosalee Adams

    Yummmmmmmmmmmmmmmmy but I love just steamed cauliflower
    florets and then a bit of butter after it is finished
    I also love it mixed with broccoli same way
    ALL the cruciferous veggies are to die for………..

  5. Avatar photo
    Dorothy at Shockingly Delicious

    Why have I never used the food processor?? I bet that makes the consistency perfect!

  6. Avatar photo
    Renee -Kudos Kitchen

    We’re having mashed cauliflower with dinner tonight but I didn’t make it in the Instant Pot. Next time I’ll try it.

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