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Instant Pot Brown Butter Mashed Potatoes

Prep Time30 mins
Cook Time8 mins


  • Instant Pot/Pressure Cooker


  • 3 lbs Russet potatoes, peeled and quartered
  • 1 cup water
  • 3/4 cup unsalted butter (12 tablespoons)
  • 1/4 cup sour cream
  • 1/4 cup milk
  • 1 tsp salt
  • 1/2 tsp black pepper


  • Place the water on the bottom of the Instant Pot.
  • Add the potatoes and seal the lid.
  • Cook on manual pressure for 10 minutes. Let the pressure naturally release for 5 minutes and then release the valve to let the pressure fully release.
  • While the potatoes are cooking, brown the butter.
  • Add the butter to a medium saucepan and cook over low heat until brown specks begin to appear on the bottom of the pan. A light colored pan works best for this and, depending on the quality of your butter, this will take about 10 minutes. Try not to stir it and be patient!
  • Drain the potatoes and return to the Instant Pot.
  • Add all but 2 tablespoons of the butter, sour cream, milk, salt, and pepper.
  • Mash the potatoes. I prefer using a potato ricer or a masher to mash my potatoes, but you can use a mixer - just be careful not to over beat!
  • Serve drizzled with additional brown butter. Enjoy!