Instant Pot Mashed Potatoes

5 from 4 votes

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This recipe for Instant Pot Mashed Potatoes is my new favorite way to make mashed potatoes. It frees up your stovetop for other things and the potatoes come out so fluffy and smooth. 

Mashed potatoes in an instant pot with a potato masher.

Instant Pot Mashed Potatoes

I love finding new things to cook in my Instant Pot, and these mashed potatoes are no exception. It is such an easy recipe. You can seriously drop the potatoes and water in the pot and forget about it until the timer goes off. I especially like this method because it frees up your stovetop for other things. On big holidays like Thanksgiving I need all the stovetop space I can get.

Cut up potatoes and water in an instant pot.

What Kind of Potatoes Should I Use?

For mashed potatoes, we always use Russet potatoes. They hold up really well while they cook, and then they mash perfectly. Then there’s the other big question – to peel or not to peel? For this recipe I decided to peel them, just because that is how my family prefers them. I don’t think the peels would make a difference in the Instant Pot. Let us know if you try it!

Ideas for Serving

These mashed potatoes are so creamy and delicious that you could almost eat them plain, right out of the bowl. However, if you’re like our family, you will want to smother your mashed potatoes with gravy. Try our Turkey Gravy, Beef Gravy, or Chicken Gravy. These mashed potatoes would also be great as a base for our Loaded Mashed Potatoes.

Instant Pot Mashed Potatoes in a red bowl with lots of butter and parsley on top.

Main Dishes That Pair Perfectly with Mashed Potatoes

Even though I do LOVE mashed potatoes and would totally eat them as a meal, you probably need a main dish to go with them. Try some of our favorites!

Instant Pot Mashed Potatoes

5 from 4 votes
This recipe for Instant Pot Mashed Potatoes is my new favorite way to make mashed potatoes. It frees up your stovetop for other things and the potatoes come out so fluffy and smooth. 
Prep Time 10 mins
Cook Time 10 mins
Total Time 20 mins
Course Side Dish
Cuisine American
Servings 6


  • Instant Pot Pressure Cooker



  • Peel the potatoes and cut into quarters. Place potatoes into the Instant Pot and cover with water. Add salt (I usually add about 1 teaspoon at this point).
    Instant Pot Potatoes in Water
  • Place the lid on the Instant Pot and set the valve to sealing. Cook on Manual at high pressure for 10 minutes. When the timer goes off, turn the Instant Pot off and quick release the pressure.
    Adding lid to cook Instant Pot Potatoes
  • Drain the potatoes and return them to the Instant Pot. Mash the potatoes with a potato masher or with a hand mixer.
    Mashing Instant Pot Potatoes
  • In a small bowl, combine the milk and the butter. Microwave for about 40 seconds. This helps the milk not to curdle or to cool the potatoes down too much. Slowly add in the butter/milk mixture until potatoes reach desired consistency.
    Adding milk and butter to Instant Pot Potatoes
  • Mash in the sour cream, salt, and pepper. Serve immediately.
    Stirring Sour Cream in to Instant Pot Potatoes



If you can’t serve right away, turn the Instant Pot back on to the Keep Warm setting.

Nutrition Information

Serving: 1gCalories: 298kcalCarbohydrates: 43gProtein: 6gFat: 12gSaturated Fat: 8gCholesterol: 32mgSodium: 103mgPotassium: 1006mgFiber: 3gSugar: 3gVitamin A: 389IUVitamin C: 13mgCalcium: 76mgIron: 2mg

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About the author

Kelsey Crist

Kelsey lives in Washington with her husband, Alex, and two cats, Diana and Nova. Her happy place is in the kitchen listening to an audiobook and trying new recipes. When she's not in the kitchen you can find her hiking, shopping at Trader Joe's, or playing Animal Crossing. Her favorite food is pasta and Alex loves when she makes Homemade Oreos.

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  1. 5 stars
    I love my instapot but I’ve never made potatoes in it! This made the process super easy!! Thanks for sharing.

  2. 5 stars
    So glad I found this recipe. My son was begging me for mashed potatoes and these were incredible!