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5 from 8 votes

Instant Pot Garlic Parmesan Mashed Potatoes

These Easy Instant Pot Garlic Mashed Potatoes with parmesan are the easiest you will ever make! Creamy, buttery and the perfect compliment to any meal. No peeling necessary! Weeknight dinners and special holiday meals will be extra delicious with this side dish!
Prep Time10 mins
Cook Time10 mins
Total Time30 mins
Course: Side Dish
Cuisine: American
Servings: 6
Calories: 243kcal
Author: Lorie Yarro



  • Cut potatoes into one or two inch bite sized chunks. (you can peel them, I never do.)
  • Add potatoes, broth and salt into the Instant Pot. Cover and seal. Set time to pressure cook on high for 10 minutes. It will take about 10 minutes for pressure to build.
  • When the timer is complete, do a quick release to allow steam to release. Add butter and milk and use a potato masher or electric mixer to mash or whip the potatoes until desired smoothness.
  • Stir in the sour cream, garlic, parmesan and pepper. Add more salt if desired. Enjoy!


  • If you like super super smooth potatoes, even with the skin on, I recommend using a hand mixer. A potato masher does a good job, but I know that if I want there to be no bumps in the taters, I go for the mixer!
  • If you are new to your pressure cooker or Instant Pot, make sure to acquaint yourself with it and read the manual before using it. Things will go much smoother if you feel comfortable and confident with how to use the machine.
  • The time for the potatoes to cook does not include the time the pressure cooker needs to increase pressure. This typically takes about ten minutes.


Calories: 243kcal | Carbohydrates: 30g | Protein: 9g | Fat: 11g | Saturated Fat: 6g | Cholesterol: 28mg | Sodium: 706mg | Potassium: 1011mg | Fiber: 6g | Sugar: 1g | Vitamin A: 327IU | Vitamin C: 29mg | Calcium: 165mg | Iron: 7mg