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Home » Recipes » Instant Pot Recipes

Instant Pot Garlic Mashed Potatoes [+ Mix-Ins]

Toni Okamoto sitting on a porch eating grapes
Modified: Oct 4, 2022 · Published: Mar 3, 2022 by Toni · This post may contain affiliate links · 27 Comments
116 shares

Make these Instant Pot garlic mashed potatoes in under 30 minutes! This pressure cooker mashed potatoes recipe is super versatile and perfect for serving at Thanksgiving and alongside almost any meal!

Jump to Recipe
Completed Instant Pot Garlic Mashed Potatoes [+ Mix-Ins] in a bowl.
Jump to:
  • Fuss-Free Instant Pot Garlic Mashed Potatoes
  • The Ingredients
  • How to Make Instant Pot Garlic Mashed Potatoes?
  • FAQs
  • Top Recipe Tips and Notes
  • Serving Recommendations
  • How Long Are Mashed Potatoes Good For?
  • More Vegan Side Dishes to Consider
  • Easy Vegan Gravy
  • Make the BEST Garlic Mashed Potatoes [+ Mix-Ins]
  • Fluffy Vegan Dinner Rolls
  • Instant Pot Garlic Mashed Potatoes [+ Mix-Ins]

Fuss-Free Instant Pot Garlic Mashed Potatoes

I've already shared a loaded mashed potato bowl, vegan potato salad, and vegan scalloped potatoes. Now, I want to share how easy it is to make mashed potatoes! The process of preparing it has become even more effortless thanks to this Instant Pot garlic mashed potatoes recipe! Cooking mashed potatoes in an Instant Pot requires just the one pot, a handful of pantry staples, is fuss-free and mess-free, and leaves more space on your stovetop.

For this version, I've made these creamy and comforting vegan Instant Pot mashed potatoes with the addition of garlic, dairy-free butter and plant-based milk. By cooking the garlic with the potatoes, the flavor infuses better.

Looking for more ways to use your Instant Pot? Try out this Instant Pot quinoa, Instant Pot apple cider, and Vegan Instant Pot Mexican rice.

The Ingredients

Ingredients for Instant Pot Garlic Mashed Potatoes measured out on a white surface.
  • Potatoes: It's best to use russet potatoes in the Instant Pot, though Yukon Gold potatoes will also work.

Optional add-ins & Recipe Variations

These easy Instant Pot mashed potatoes are super versatile. Whether you want to add extra flavor to the garlic mashed potato or choose other flavorings entirely, here are a few of my favorite options.

  • Seasonings: Experiment with seasonings to add extra flavor to the pressure cooker mashed potatoes. Add a pinch and adjust the amount to taste.
    • Nutmeg
    • Smoked paprika
    • Onion powder
    • Garlic powder
    • Chili/Cayenne powder
  • Olive oil: Serve the vegan garlic mashed potatoes with a drizzle of olive oil (or melted vegan butter).
  • Herbs: Infuse the vegan Instant Pot mashed potatoes with additional flavor by warming your plant-based milk of choice with herbs (i.e., rosemary or thyme) and allowing it to sit for 10-15 minutes.
  • Fresh herbs (to garnish): Parsley works particularly well, but fresh chives and dill are also delicious.
  • Vegan cream cheese: Add in some vegan cream cheese for richer, creamier vegan garlic mashed potatoes.
  • Vegan cheese: Adding nutritional yeast will work well for a subtle 'cheesy' flavor.
  • Spinach: An easy way to add greens to this Instant Pot vegan mashed potatoes is by adding a few handfuls of spinach into the just-mashed potato, mixing, and closing the Instant Pot lid for 1-2 minutes. The heat should wilt the leaves.
  • Vegetables: It's best to cook these separately and mix them into the already mashed potato. My favorites include peas, broccoli and carrots.
  • Cauliflower: If you want to reduce the amount of carbs in this side dish, you could swap out a portion of the potato (⅓-½) for cauliflower instead.
  • Vegetable stock: For more flavor, use vegetable stock instead of water to cook the potatoes.

How to Make Instant Pot Garlic Mashed Potatoes?

Process shot showing potatoes in a bowl.
Process shot showing potatoes in a strainer.

Step 1: First, peel (optional) and chop the potatoes into 2-inch pieces and peel the garlic cloves. Then, add the potatoes and garlic to a 6-quart Instant Pot and submerge them in cold water, sealing the lid. Cook on HIGH for 5 minutes, using the quick release (carefully) immediately, turning the valve to the venting position.

Step 2: Drain the water with a colander and then place the ingredients mashed in the Instant Pot and add the vegan milk, vegan butter, and seasonings.

The Instant Pot will take 10-12 minutes coming up to pressure before the 5 minute cooking time begins.

Process shot showing mashing ingredients in pot.

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Step 3: Mash with a potato masher (or fork) until you reach your desired consistency!

FAQs

Can I keep the peels on?

Yes, the mash just won't be as smooth and you'll be able to see flecks of the peel. However, you will get all the extra fiber and vitamins/minerals. So, it's up to you.

How to use leftover mashed potato?

While storing plain mashed potatoes, they will thicken and become perfect for other recipes, including making potato dumplings, noodles, waffles, and gnocchi.

You can also use it within soups, bread, vegan mac and cheese sauce, and as a topping for vegan shepherd's pie/cottage pie and similar recipes.

Can I use water instead of plant-based milk?

It's possible to use some of the starchy potato cooking water in place of vegan milk in this recipe. However, this is a bit of a love-hate recommendation. Vegetable stock (only lightly salted) would likely be a preferred option.

Can I substitute the plant-based butter?

Olive oil may work in its place or even some vegan mayonnaise.

Which vegan milk is best for vegan garlic mashed potatoes?

This comes down to taste as the various plant milks have slightly different tastes. So experiment and find which you prefer.

Top Recipe Tips and Notes

  • To adjust the consistency: Based on how thick or light and creamy you prefer your mash, adjust the amount of liquid added.
  • For the smoothest results: Use a potato ricer for the cooked potatoes, then mix it in with the remaining ingredients (if you've left the skins on the potato, the ricer will naturally filter these out). For the next best result, use a potato masher, and for the least smooth vegan garlic mashed potatoes, use a fork. While using an immersion blender/mixer is possible, it can turn the mash gummy by activating the starches, so I don't recommend it.
  • For a potato puree: Press the mash through a sieve.
  • Use warm vegan milk: This will keep the vegan garlic mashed potatoes warmer for longer when serving. Alternatively, leave the vegan milk out on the counter while the potatoes cook to bring it to room temperature, at least.  
  • If you peel the potatoes: There's no need to discard the leftover peel. Instead, either save it in a bag in the freezer to make homemade vegetable stock or even season and bake it into crispy potato peel chips.
Completed Instant Pot Garlic Mashed Potatoes [+ Mix-Ins] in a bowl.

Serving Recommendations

While the options are practically endless, here are just a few of my top recommendations.

  • Serve with vegan stews (like this mixed bean and vegetable stew) and casseroles (like this dairy-free green bean casserole)
  • Enjoy alongside a pie
  • Enjoy with vegan sausages and gravy
  • Have on your Thanksgiving table
  • Serve with a vegan roast dinner
  • Enjoy with vegan meatballs (like these chili sauce and grape jelly meatballs)
  • Have with vegan meatloaf

How Long Are Mashed Potatoes Good For?

Make ahead: You can pre-chop (and optionally peel) the potatoes up to 2 days in advance, storing them in an airtight container of water to avoid browning.

Fridge: Store any leftover vegan garlic mashed potatoes in an airtight container in the refrigerator for 4 days.

Freezer: Allow it to cool completely, then store in an airtight container/Ziplock/Stasher bag for up to 3 months.

Reheat: Use either the microwave or the stovetop to reheat the mash. I recommend adding an extra splash of plant-based milk, water, stock, or vegan butter if needed to bring it back to the super creamy consistency.

Completed Instant Pot Garlic Mashed Potatoes [+ Mix-Ins] in a storage container.

More Vegan Side Dishes to Consider

  • Completed Easy Vegan Gravy in a bowl.

    Easy Vegan Gravy

  • Completed vegan garlic mashed potatoes in a bowl.

    Make the BEST Garlic Mashed Potatoes [+ Mix-Ins]

  • Completed Fluffy Vegan Dinner Rolls in basket.

    Fluffy Vegan Dinner Rolls

If you tried this Instant Pot garlic mashed potatoes recipe or any other recipe on my blog, please leave a 🌟 star rating and let me know how it went in the 📝 comments below. Thanks!

Completed Instant Pot Garlic Mashed Potatoes [+ Mix-Ins] in a bowl.

Instant Pot Garlic Mashed Potatoes [+ Mix-Ins]

Toni
Make these Instant Pot garlic mashed potatoes in under 30 minutes! This pressure cooker mashed potatoes recipe is super versatile and perfect for serving at Thanksgiving and alongside almost any meal!
5 from 43 votes
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 5 minutes mins
Pressurizing time 5 minutes mins
Total Time 20 minutes mins
Course Side Dish
Cuisine American
Servings 8
Calories 461 kcal

Equipment

  • measuring cups
  • measuring spoons

Ingredients
  

  • 4 pounds russet potatoes chopped
  • 10 cloves garlic (about 1 head)
  • 1 cup plain, unsweetened plant-based milk
  • ¼ + 2 tablespoons cup vegan butter
  • 1 teaspoon of salt
  • ½ teaspoon pepper

Instructions
 

  • In a 6-quart Instant Pot, add the potatoes and whole garlic cloves. Cover completely with cold water.
  • Cook on high pressure for 5 minutes, then carefully perform a quick release.
  • Drain the potatoes and garlic using a colander, then return them to the pot.
  • Add the plant-based milk, vegan butter, salt, and pepper.
  • Mash with a potato masher or sturdy fork until smooth and creamy, or to your preferred consistency.

Notes

  • For a potato puree: Press the mash through a sieve.
  • Use warm vegan milk: This will keep the vegan garlic mashed potatoes warmer for longer when serving. Alternatively, leave the vegan milk out on the counter while the potatoes cook to bring it to room temperature, at least.  
  • If you peel the potatoes: There's no need to discard the leftover peel. Instead, either save it in a bag in the freezer to make homemade vegetable stock or even season and bake it into crispy potato peel chips.

Nutrition

Calories: 461kcalCarbohydrates: 85gProtein: 11gFat: 10gSaturated Fat: 2gPolyunsaturated Fat: 3gMonounsaturated Fat: 4gTrans Fat: 1gSodium: 778mgPotassium: 1929mgFiber: 6gSugar: 3gVitamin A: 546IUVitamin C: 28mgCalcium: 149mgIron: 4mg
Did you make this recipe?Mention @foodsharingvegan on Instagram!

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Comments

    5 from 43 votes (30 ratings without comment)

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    Recipe Rating




  1. Andrea says

    March 03, 2022 at 2:37 am

    5 stars
    So excited to try this out!

    Reply
  2. Gina H. says

    March 04, 2022 at 7:40 pm

    5 stars
    Marvelous mashed potatoes! The flavor is so wonderful and I love the ease of making them in the Instant Pot. Yes!

    Reply
    • Andrea says

      March 04, 2022 at 11:22 pm

      So smooth and delicious!

      Reply
  3. Janaye says

    March 05, 2022 at 3:35 pm

    5 stars
    Super easy & simple to make the instant pot saves so much time

    Reply
    • Andrea says

      March 06, 2022 at 6:15 am

      It's a game-changer!!

      Reply
  4. Michelle says

    March 05, 2022 at 7:09 pm

    5 stars
    super delish!

    Reply
    • Andrea says

      March 06, 2022 at 6:16 am

      A fave!!

      Reply
  5. Teodora says

    March 05, 2022 at 8:31 pm

    5 stars
    Great recipe for a side dish! Thanks

    Reply
    • Andrea says

      March 06, 2022 at 6:16 am

      The perfect side dish!

      Reply
  6. Anna says

    March 05, 2022 at 10:22 pm

    5 stars
    Super smooth vegan mashed potatoes that are perfectly seasoned. Great recipe 👍

    Reply
    • Andrea says

      March 06, 2022 at 6:16 am

      Yessss. Creamy and delicious!

      Reply
  7. Billy says

    March 06, 2022 at 1:18 am

    5 stars
    Using an instant pot for mashed potatoes is such a clever idea! Looks delicious!

    Reply
    • Andrea says

      March 06, 2022 at 6:17 am

      It's saves so much time! And the consistency is everything!!

      Reply
  8. Jan says

    March 06, 2022 at 3:02 am

    5 stars
    Mashed potatoes are my favourite. Your version was really good. Yum.

    Reply
    • Andrea says

      March 06, 2022 at 6:17 am

      Nothing like a good mashed potatoes dish!

      Reply
  9. Katie says

    March 06, 2022 at 3:20 am

    5 stars
    These mashed potatoes are incredible!

    Reply
    • Andrea says

      March 06, 2022 at 6:17 am

      They're so simple yet soooo good!

      Reply
  10. Amanda says

    March 06, 2022 at 5:42 am

    5 stars
    I can never get tired of mashed potatoes!

    Reply
    • Andrea says

      March 06, 2022 at 6:17 am

      Forever a favorite!

      Reply
  11. Chris says

    March 06, 2022 at 10:08 am

    5 stars
    These mashed potatoes are my all-time favorites! So flavorful, creamy, and delicious.

    Reply
    • Andrea says

      March 10, 2022 at 3:27 am

      aren't the best? love that garlicky flavor!

      Reply
  12. Jami says

    March 07, 2022 at 1:17 am

    Yummo!

    Reply
    • Andrea says

      March 10, 2022 at 3:28 am

      love how yummy they are too!

      Reply
  13. Anaiah says

    March 07, 2022 at 1:48 am

    5 stars
    Yum! Smooth, creamy, mashed potato perfection! Definitely making it in the Instant Pot more often.

    Reply
    • Andrea says

      March 10, 2022 at 3:28 am

      you're going to love it! so easy and delicious!

      Reply
  14. Tavo says

    March 07, 2022 at 7:56 am

    5 stars
    My mashed potatoes came out deliciously! I had never made mashed potatoes using an instant pot and loved it!

    Reply
    • Andrea says

      March 10, 2022 at 3:29 am

      awesome! nothing like mashed potatoes 🙂

      Reply
Photo of Toni Okamoto, the author of this website, eating grapes and sitting on a porch.

Hi, I'm Toni. Welcome to Food Sharing Vegan. Here you'll find comforting, delicious, vegan recipes to share with friends and family.

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