Instant Pot Garlic Parmesan Mashed Potatoes

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Making mashed potatoes on the stove is now a thing of the past. Instant Pot Garlic Parmesan Mashed Potatoes are so easy with this no drain recipe. The cheesy goodness has me wondering where the instant pot has been all my life.

Instant Pot Garlic Parmesan Mashed Potatoes on gray wood with plaid napkin

So, you hate standing over the stove. Slaying away over boiling water. The draining of the heavy pot. How about this Thanksgiving try something a little different. Try making mashed potatoes in the instant pot without having to drain the water from the potatoes.

Instant Pot Garlic Parmesan Mashed Potatoes on gray wood with plaid napkin

Do I Have To Peel The Potatoes?

No, the potatoes don’t have to be peeled when making them in the instant pot. However, if you want super creamy, like whipped cream creamy, mashed potatoes then take the little extra time and peel those potatoes. We did it as a team and it cut the time in half.

Potatoes with seasoning in the instant pot

The potatoes we used are red skin potatoes. We add them to the instant pot and topped them with salt, pepper, and garlic. Put them in to pressure cook hands free for 15 minutes. Enough time to read a blog post about instant pot recipes.

Parmesan and potatoes in the instant pot

Once the potatoes are done cooking just release the pressure from the instant pot. Don’t drain and top with cheese and butter (or margarine). Then blend away until the potatoes are nice and creamy.

Potatoes, butter, and parmesan in the instant pot

Can Instant Pot Mashed Potatoes Be Dairy Free?

The answer is YES! For non dairy people, skip the parmesan and just add some oat milk a little at a time while blending. Blend until creamy but be sure to slowly add the oat milk. Maybe add some rosemary in for extra flavor!

Instant Pot Garlic Parmesan Mashed Potatoes on gray wood with plaid napkin

Instant Pot Garlic Parmesan Potatoes are great for Thanksgiving, Christmas, and even potlucks. Make it and take it. The potatoes warm up easily on the keep warm setting. If you need to add a little butter or milk to soften. Hope you enjoy the potatoes as much as we did!

Instant Pot Garlic Parmesan Mashed Potatoes on gray wood with plaid napkin

Instant Pot Garlic Parmesan Mashed Potatoes

Jenne Kopalek
Red potatoes and parmesan pressure cooked and blended till creamy. 
Prep Time 10 minutes
Cook Time 5 minutes
Total Time 15 minutes
Course Side Dish
Cuisine American
Servings 6 Servings
Calories 496 kcal


  • 15 medium red skinned potatoes; diced
  • 3 tablespoons minced garlic
  • 1/2 cup parmesan cheese; grated
  • 3 tablespoons margarine or butter
  • 1 cup water
  • 1 teaspoon salt
  • 1 teaspoon pepper
  • parsley for topping just makes it look pretty


  • Peel and dice potatoes. Add one cup water to the instant pot. Add in diced, peeled red potatoes. Top with garlic, salt, and pepper.
  • Place the lid on the instant pot. Set the valve to sealed position. Press pressure cook/manual button and then set timer to 5 minutes. It will take 10 minutes to come to pressure than cook another 5 minutes. Once the instant pot stops counting and beeps release the pressure. 
  • Add in parmesan and margarine (or butter). Then blend well with hand mixer. Serve topped with parsley if you want it to look fancy. 


Keyword Garlic, Instant Pot, Mashed Potatoes, Parmesan, Potatoes, Pressure Cooker

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Instant Pot Garlic Parmesan Mashed Potatoes

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  1. I am confused. Reading your comments before the recipe, you said hands-free 30 minutes and then the recipe says to cook 5 minutes. What am I missing?

    1. When cooking in the instant pot you have in active time. This takes a total of 15 minutes. The pot needs to heat up. What it meant was if you did them on the stove it would take longer and you wouldn’t be hands free. I will go edit it. However, the recipe is exact and we’ve tested the recipe.