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Instant Pot Mashed Potatoes

These mashed potatoes are fool-proof in the Instant Pot and make a creamy, yummy side dish in no time!


  • 3-4 Russet or red potatoes

  • 1 cup water

  • 1 tsp salt, plus more to taste

  • 3 Tbsp butter

  • 1/3 cup sour cream

  • 1/4 cup half & half

  • 1 tsp garlic powder

  • 2 Tbsp fresh rosemary or parsley (or 1 ½ tsp dried)


  1. Peel the potatoes and cut into 1 inch cubes.

  2. In the Instant Pot, add the potatoes, water and salt. Pressure cook for 6 minutes and then quick release the pressure.

  3. Drain the potatoes and pour them back into the Instant pot. Mash using a potato masher. Add the butter and mash again once melted. Stir in the remaining ingredients and add more salt to taste.


  • Serving size: 2-3 cups of mashed potatoes so it is a relatively small batch that will feed 2-4 people. It's easy to double or triple the recipe!

  • If you want to cook the potatoes whole, do it for 12 minutes in the Instant Pot. I prefer chopped because it's quicker and it seems like it cooks the potatoes more evenly.

  • Stovetop instructions: Bring a pot of water to a boil, add the potatoes and boil until fork-tender (about 10 minutes) then continue on from step 3.

Love this recipe? Let me know by leaving a comment or messaging me on Instagram! I'd love to hear what you think.

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