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Instant Pot Russet Mashed Potatoes

These Instant Pot russet mashed potatoes are perfectly rich and creamy, easy to make, and always a crowd fave! Learn how to make it in under 30 minutes.
5 from 6 votes
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Course: Side Dish
Cuisine: American
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes


  • 6 large russet potatoes
  • 1 cup water
  • 1 stick butter ½ cup
  • ½ cup wmhole ilk
  • 2 teaspoons salt


  • Clean, peel, and slice your potatoes. Slicing the potatoes into large rounds is my favorite method.
  • Add the potatoes, water, and salt to the instant pot. Secure the lid.
  • Turn the pot to high pressure/manual and set the timer for 10 minutes. It will take the instant pot about 7-10 minutes to come to pressure before that 10 minutes starts counting down, hence the 20-minute total cook time.
  • Once the 10 minutes is up and the pot beeps, do a manual release.
  • Add the butter and milk to the potatoes, then blend them right in the instant pot until they are smooth and creamy. Enjoy!