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Instant Pot Mashed Potatoes (Dairy Free + Vegan Options!)

Instant Pot Mashed Potatoes – These creamy, fluffy mashed potatoes are so easy, thanks to the pressure cooker! They’re the perfect accompaniment to a hearty home-cooked meal! (Gluten-free, dairy-free, vegan + Whole30 options!)

Instant Pot Mashed Potatoes (Dairy Free + Vegan + Whole30) from One Lovely Life

Confession: I could probably skip the Thanksgiving turkey in favor of allllll the side dishes. (And the pie, obviously!)

Between sides like Sweet Potato Casserole, savory green beans, stuffing, and mashed potatoes (plus a hefty serving or two of my favorite pie) basically all my Thanksgiving needs are covered!

I’m always looking for ways to simplify in the kitchen, especially around the holidays, and turning a task or two over to my Instant Pot has been a perfect solution.

Take these Instant Pot Mashed Potaotes, for instance!

I love that Instant Pot mashed potatoes are almost entirely hands-off. No pots to watch, no testing the potatoes every few minutes to see if they’re done. You just dice the potatoes, put them in the Instant Pot with some water and salt, then cook them. In just a few minutes, they’re perfectly tender and ready to mash. You can even keep them warm in the Instant Pot, which frees up oven and stovetop space. SUCH A WIN!

This can be great especially around the holidays, when you might be prepping multiple dishes at the same time.

They’re also perfect for my side-dish-loving heart. Here’s how I make them…

Instant Pot Mashed Potatoes (Dairy Free + Vegan + Whole30) from One Lovely Life

HERE’S WHAT I PUT IN MY INSTANT POT MASHED POTATOES:

  • DICED POTATOES – I start with 3 lbs. of potatoes. You can make Instant Pot mashed potatoes with Russet, Yukon Gold, or red potatoes (see the FAQ below for more about this!).
  • WATER OR BROTH – To help the potatoes steam and cook in the pressure cooker, I add 1 cup water or broth to the Instant Pot with the diced potatoes. You won’t need to drain them after either! You just mash them right in the pot. (So easy!)
  • SALT & SEASONINGS. I usually add the salt while cooking the potatoes, but you can absolutely do it after. Then, there are all sorts of ways you can add flavor, from fresh herbs to garlic, and more. (See below for more flavor variations!)
  • YOUR FAVORITE FAT. Here’s where these get super flexible. You can use butter, vegan butter, ghee (clarified butter), or olive oil for these Instant Pot mashed potatoes, depending on your dietary needs and preferences. You’ll start with about 4 Tbsp, but depending on the potatoes you use, you may go up to 5-6 Tbsp. at the end.
  • SOMETHING CREAMY. We’re a dairy-free family, so we most often use unsweetened cashew or almond milk for our Instant Pot mashed potatoes, but you can use whatever milk you drink whether dairy or non-dairy. Prefer not to use milk? You can actually use more broth or water!
Instant Pot Mashed Potatoes (Dairy Free + Vegan + Whole30) from One Lovely Life

TOOLS OF THE TRADE: 3 THINGS YOU NEED TO MAKE INSTANT POT MASHED POTATOES.

  1. AN INSTANT POT OR PRESSURE COOKER. We’ve been really happy with our Instant Pot since getting it a couple years ago. I love that it’s more hands-free, and works well for everything from steel-cut oats to soup to chili and so much more. Here, it makes mashed potatoes a mostly hands-off affair, since you don’t have to watch the pot closely so it doesn’t boil over.
  2. A VEGGIE OR POTATO PEELER. For the smoothest mashed potatoes, I recommend peeling your potatoes before cooking them. If you like your mashed potatoes with a little texture (like I do!) you’ll still want to peel about 1/2 the potatoes. This peeler works SO WELL and has incredible reviews. Highly recommend.
  3. A POTATO MASHER OR HAND MIXER. A potato masher (like this or this) will help you make quick work of mashing all those potatoes once they’re cooked. You *can* get by with a fork if that’s all you’ve got to work with, but a masher will make the process much faster. Even faster than that is using a hand mixer like this. See the recipe card notes if you plan to use a hand mixer, as some kinds of potatoes can get gluey if they’re over beaten.

Instant Pot Mashed Potatoes (Dairy Free + Vegan + Whole30) from One Lovely Life

PLAY WITH THE RECIPE: TRY ADDING SOME OF THESE FLAVORS TO YOUR INSTANT POT MASHED POTATOES. 

This Instant Pot mashed potatoes recipe is perfect for classic, straight-forward, basic mashed potatoes. If you want to play with the flavor, try one of these yummy flavor additions. (I don’t recommend combining more than 1-2 at a time)

  • USE FLAVORED OLIVE OIL. As part of the added fat, use 1/2-1 Tbsp. flavored olive oil such as roasted garlic, rosemary, basil, etc. to the mashed potatoes. Queen Creek Olive Mill is my favorite! (Use code “onelovelylife” to get 10% off your first order.)
  • ADD GARLIC. Try adding 1 clove minced fresh garlic (or 1-2 cloves roasted garlic) to the cooked potatoes when you’re mashing. Or, you can add 1/8-1/4 tsp. dried garlic.
  • SPRINKLE WITH FRESH HERBS. To make these pretty, I love to sprinkle them with some fresh herbs. Rosemary, parsley, or chives are all pretty and taste great.
  • LEAVE THE SKINS ON. For a more hearty texture, try leaving the skins on 1/2 to all of the potatoes, if you’re using red or yellow (Yukon Gold) potatoes. (I don’t recommend this with Russet potatoes)
Instant Pot Mashed Potatoes (Dairy Free + Vegan + Whole30) from One Lovely Life

FAQ + TIPS FOR PERFECT INSTANT POT MASHED POTATOES. 

HOW LONG DO INSTANT POT MASHED POTATOES TAKE START-TO-FINISH? Once you’ve prepped the ingredients, you’re looking at about 30 minutes start-to-finish. I made several test batches and recorded the times. In my experience, it takes about 12-15 minutes to come to pressure + 9 minutes to cook + 5 minutes to release the steam + mash.

WHAT KIND OF POTATOES DO YOU USE FOR INSTANT POT MASHED POTATOES? You wouldn’t believe how many potatoes we ate when we did the testing for this recipe! (HA!) I can safely say that Russet, red, and Yukon Gold potatoes all work for this recipe. Russets give you the smoothest, lightest texture, where red and gold potatoes will give you a heartier mash. I think each has merit!

HOW TO MAKE VEGAN INSTANT POT MASHED POTATOES. To make these Instant Pot Mashed Potatoes vegan, all you need to do is swap in olive oil or vegan butter for the butter/ghee. Our favorite dairy-free milk to use with mashed potatoes is unsweetened cashew milk, but you can use what you like!

CAN YOU FREEZE MASHED POTATOES? In my experience, Russet mashed potatoes freeze best, but most mashed potatoes can be made and frozen for several months. Just store in an airtight container (ideally a freezer-safe bag with any excess air pressed out) and thaw in the refrigerator. When you’re ready to reheat them, you can do this in the microwave or on the stovetop. You may need to stir them a bit and revive them with a splash of milk/water to pull them back together upon thawing.

CAN YOU MAKE INSTANT POT MASHED POTATOES IN ADVANCE? For the freshest results, I recommend trying to time them as close to your meal as possible. Including the time it takes to come to temperature, these will take about 25-30 minutes, start to finish. Since sometimes you need a bit of wiggle room, you can keep them covered on the WARM setting in the Instant Pot if you like for up to about an hour, though you’ll want to stir them and perhaps add a bit of extra butter or milk every once in a while so they don’t dry out.

HELPFUL FOR THIS RECIPE:

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Instant Pot Mashed Potatoes (Dairy Free + Vegan + Whole30) from One Lovely Life

Instant Pot Mashed Potatoes (Dairy Free + Vegan Options!)


  • Author: One Lovely Life
  • Total Time: About 35 minutes
  • Yield: 67 cups mashed potatoes 1x

Description

These creamy, fluffy mashed potatoes are so easy, thanks to the pressure cooker! They’re the perfect accompaniment to a hearty home-cooked meal and perfect for the holidays. (Gluten-free, dairy-free, vegan + Whole30 options!)

NOTE: These take about 15 minutes to come to pressure + 9 minutes to cook + 5 minutes to release the steam + mash. Once you’ve prepped the ingredients, you’re looking at about 30 minutes start-to-finish.


Ingredients

Scale
  • 3 lbs. potatoes, washed, peeled, and diced into 1” cubes*
  • 1 cup water or broth (can use chicken or vegetable broth)
  • 1/21 cup milk (we like unsweetened cashew or almond milk–use what you drink!)
  • 46 Tbsp. butter, ghee, vegan butter, or olive oil.
  • 1 tsp. salt (more or less, to taste)
  • pepper and herbs, to taste.

Instructions

  1. Put diced potatoes into the Instant Pot. Pour in 1 cup of water or broth, and sprinkle with salt.
  2. Secure the Instant Pot lid and be sure the vent is set to “SEALING” (not “venting”)
  3. Press Manual/Pressure Cook and set the timer for 9 minutes.
  4. Allow Instant Pot to come to pressure and cook for 9 minutes (in my test batches, it took 12-15 minutes to come to pressure)
  5. After 9 minutes of cooking, press CANCEL, and carefully switch the vent to “VENTING” to quick release steam from the Instant Pot. (It takes 1-2 minutes for the steam to release fully)
  6. Carefully open the lid.
  7. Add 1/2 cup milk, and 4 Tbsp. butter/ghee/oil. to the potatoes and use a hand-held masher to mash the potatoes to your desired smoothness, adding more milk and/or butter, as desired. (You can use a hand mixer on the lowest speed to mash your potatoes, but try not to over-beat, as this can cause red and yellow potatoes to get gluey)
  8. Taste and add more salt as desired. Garnish with pepper, fresh herbs, etc.

Notes

*IF YOU LIKE YOUR MASHED POTATOES WITH SKINS ON, you can leave skins on 1/2 to all the potatoes. Note: I only recommend skins-on for red or Yukon gold potatoes. Russets don’t blend well.

POTATOES TO USE: Peeled Russet potatoes will be very smooth, light, and fluffy. If you like more hearty “homestyle” texture, I recommend red potatoes or Yukon Gold potatoes.

FLAVOR VARIATIONS: Feel free to add 1 clove minced fresh or roasted garlic to the cooked potatoes. Or, try a pinch of rosemary or thyme. Or, add 1/2-1 Tbsp. of flavored olive oil (such as roasted garlic, rosemary, basil, etc. as part of the fat you add to the potatoes)

  • Prep Time: 15 minutes
  • Cook Time: 9 minutes
  • Category: Side Dish, Potatoes
  • Method: Instant Pot, Pressure Cooker
  • Cuisine: American

Keywords: Instant Pot Mashed Potatoes, pressure cooker mashed potatoes, dairy free mashed potatoes, vegan mashed potatoes

 

8 Comments

  1. I kept the skins on 1/2 of my potatoes (red). Made a dairy-free version using 1 cup chicken stock to cook + 2 minced cloves of garlic. After opening the lid, I added 1/2 cup chicken stock, 1 tbsp garlic olive oil, 3 tbsp extra virgin olive oil, 2 tsp Italian seasoning, 1/2 tsp salt, and 1/4 tsp black pepper. Could easily be made vegan by using vegetable stock. Amazing!

  2. I’ve made this recipe twice now. It’s a great way to make mashed potatoes and not have to worry about it. Gotta love the Instant Pot. Thanks for another great recipe Emily!

    1. I’m SO GLAD you loved them! They’re just my absolute favorite. THANK YOU for taking the time to leave a review, Lynn. It’s so appreciated and helpful!

  3. I am making this for a large group of people. I usually have my own recipe, but wanted to try in the instantpot so I went searching. The only problem is…I am trying to scale it 3x and the buttons aren’t working. 🙁 so sad!

    1. Chavon – I’m sorry about the 3x button! It’s something we’re actively working to get fixed. I hope you were able to triple it on your own–happy holidays!

  4. I’m making these this morning, and plan to reheat later this evening for dinner, any recommendations for this?!

    Thanks!!

    1. Kelsey – I’m sorry I didn’t get back to you yesterday! For the future, I reheat my mashed potatoes on the stove on low or medium-low heat with an extra splash of milk to help them regain their creamy texture. 🙂

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