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Katie's Cucina » Recipes » Instant Pot

Instant Pot Garlic Mashed Potatoes

Published: Nov 6, 2020 · Modified: Dec 5, 2022 by Katie · This post may contain affiliate links

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Three photos: Top photo of mashed potatoes, bottom of process photos making mashed potatoes.
Two photos: top of bowl of mashed potatoes and bottom is top view of mashed potatoes in an Instant Pot.
Two photos: Top of mashed poatoes inside an Instant Pot and bottom is a bowl of finished mashed potatoes.
White bowl filled with mashed potatoes text on image for Pinterest.
Close up of a bowl of mashed potatoes with herbs and butter and text on image for Pinterest.
White bowl filled with mashed potatoes with parsley on top with text on image for Pinterest.
Instant Pot Mashed Potatoes
White bowl filled with mashed potatoes with parsley on top with text on image for Pinterest.

Make perfect creamy homemade mashed potatoes every single time with my easy-to-make recipe for Instant Pot Garlic Mashed Potatoes. This classic side dish is made within 30 minutes with fresh ingredients.

closeup bowl of mashed buttery potatoes with pepper and green herbs on top and title text.

If you love homemade mashed potatoes or maybe have never made them? I’m excited to share with you my easy Instant Pot Garlic Mashed Potatoes recipe. If you struggle with making mashed potatoes from scratch you are going to love all my step-by-step instructions.

I’m going to admit something that I never thought I would ever write about… since having children I have failed miserably at making mashed potatoes from scratch. Woooo, now that I got that off my chest– I can tell you how incredibly excited I am that I finally can make homemade mashed potatoes, from scratch. Successfully, EVERY SINGLE TIME!

All thanks to my Instant Pot.

You see, before kids I probably made mashed potatoes at least once a week and dang, I made AMAZING mashed potatoes. Then, I had children and I can’t for the life of me figure out what the heck happened… other then time. There is an art to making mashed potatoes and timing is everything. So when I started experimenting in my kitchen by making garlic mashed potatoes in the Instant Pot I knew I was on to something.

Jump to:
  • Why this Recipe Works
  • Ingredients
  • Directions
  • FAQS
  • Tips & Tricks
  • What to serve with mashed potatoes
  • What to do with leftover Mashed Potatoes
  • Instant Pot Garlic Mashed Potatoes

Why this Recipe Works

bowl of mashed potatoes topped with melted butter, pepper, and parsley on top of checkered tablecloth.

You will only need one pot to make these delicious garlic mashed potatoes which means very little clean up.

After the potatoes are cooked and mashed you can keep the Instant Pot on the “warm” setting to keep them warm until ready to serve.

Flavorful mashed potatoes with only a few ingredients!

Ingredients

  • Russet Potatoes – I find that russet work best for mashing. They tend to get less
  • Heavy Cream – If you don’t have heavy cream, you can use half and half or milk. Make sure the heavy cream is at room temperature before mashing.
  • Butter – In my book, you can never have enough butter for mashed potatoes!
  • Garlic – I use about 8 cloves of garlic that I leave whole. They will cook down while the potatoes cook infusing the water. Then once it’s time to mash you mash the soft cloves of garlic right in the potatoes.
  • Seasonings – The basic salt, pepper, and fresh parsley is what I like to use.

Directions

Two photos; Left pouring cream into potatoes, right mashing potatoes with a potato masher.

First, peel the potatoes, and cut into large 1-inch cubes (make sure all pieces are similar in size). Place in the Instant Pot and cover with about 4 cups of water. Add one teaspoon of salt to the water plus the garlic cloves.

Close the lid, making sure the valve is in “sealing” position. Select the “steam” setting and cook for 10 minutes.

As soon as the Instant Pot beeps and the potatoes are done; carefully do a quick pressure release. Drain the potatoes immediately into a strainer.

top view of mashed potatoes in instant pot with butter, herbs, and pepper being stirred in.

Return the potatoes back to the Instant Pot. Using a potato masher immediately mash the potatoes. Let the steam escape for a few minutes. Then mix in the butter and heavy cream. Salt and pepper to taste and add parsley flakes on top for garnish. Serve immediately.

Want gravy to go with your mashed potatoes? Check out my how to make turkey gravy recipe or my white gravy recipe.

FAQS

top view bowl of mashed potatoes topped with melted butter, pepper, and parsley next to parsley.
What type of potatoes do I use for mashed potatoes?

You want to use Russet Potatoes or even Yukon Golds. They are a higher starch potato and will yield the fluffiest, smoothest, and most flavor-packed mashed potato. You will want to stay away from waxy potatoes like a red or white potato. These require more mashing to become creamy, which could lead to the dreaded potato paste. Which is what I would almost always get every time I was trying to make mashed potatoes. I know it’s crazy to think a food blogger having issues making mashed potatoes, but y’all… the struggle has been real!

Do you need to drain the potatoes for Instant Pot Mashed Potatoes?

Yes, for this recipe you need to drain the cooked potatoes, and you need to drain them immediately. It’s very important you don’t let them sit. The more you let them sit the greater the chance you’re going to have potato paste.

How long do you cook mashed potatoes in Instant Pot?

After doing a lot of testing I found that 10 minutes on the “steam” setting is the magic combo. The potatoes come out fork tender and are perfect for mashing. Now, remember it will take at least 10 minutes to come to pressure before the timer begins on the Instant Pot—so it’s safe to say “20” minutes of cooking time (roughly total).

Can you substitute garlic powder of garlic cloves?

Yes, if you don’t have fresh garlic on hand you can use frozen chopped garlic, garlic in water, or even garlic powder in the water mixture. About 2 teaspoons of garlic powder will do to substitute out 8 cloves of garlic.

Tips & Tricks

bowl of mashed potatoes topped with melted butter, pepper, and parsley in front of instant pot.

I have a few more helpful tips I’ve learned along the way that I feel I must tell you to make you not only confident in making mashed potatoes but well equipped and ready to tackle a simple yet daunting cooking skill.

  • DO NOT use a hand-mixer or stand-mixer when making mashed potatoes. This was the number one reason why my mashed potatoes were turning to paste. I over mixed them.
  • Invest in a potato masher. I know what your thinking–another kitchen gadget?!?! Yes, if you want to make successful mashed potatoes every single time you need to invest in a potato masher.
  • Do not over mix. After you have drained *and rinsed your potatoes you’ll place them back in the Instant Pot. Then, using the potato masher you will begin to mash the potatoes. I spend 30-60 seconds tops doing this and leave them a little lumpy. Then I let them rest for a few minutes. I return to add in cubed salted butter and heavy cream. My potatoes are creamy and I’m not beating them to death.
  • Even Cuts – By cutting the potatoes in even size this will prevent some to turn to mush while others not cook through. I find that a thicker 1-inch size piece of potato works just fine.
  • Room Temperature – For best results and to ensure you don’t end up with gummy potatoes have the butter and heavy cream at room temperature.
  • Broth – You can use a box of chicken broth instead of water. Just make sure you reduce the amount of salt you add to the pot as most chicken broth has a lot of sodium already in it.

Now that I’ve shared all my tips and tricks I hope that you’re feeling even more confident and ready to make homemade mashed potatoes from scratch using your Instant Pot.

What to serve with mashed potatoes

top view bowl of mashed potatoes topped with melted butter, pepper, and parsley next to parsley.

Wondering what to serve with mashed potatoes? They pair well with so many dishes. Here are a few of my favorites.

  • Roast Beef #Beefsgiving
  • Air Fryer Turkey Breast
  • Slow Cooker Ham (with apple sauce)
  • Shoulder Roast
  • Green Beans with Caramelized Pearl Onions
  • Steakhouse Creamed Spinach
  • Stovetop Creamed Corn
  • Broccoli Casserole with Ritz Crackers

What to do with leftover Mashed Potatoes

Have leftovers? You can transform them into a pot of my Mashed Potato Soup! Think of that recipe as a quicker and just as tasty version of baked potato soup! Or make my mashed potato patties! You can also check out my round-up on Leftover Mashed Potato Recipes.

If you make my garlic mashed potatoes in the Instant Pot, I would be honored and love for you to take the time to leave a star rating and comment! I spend hours developing and testing these recipes, and always love to hear feedback and user experience!

Don’t forget to FOLLOW ME on Facebook, Pinterest, and Instagram, and subscribe to my email list!

White bowl with fluffy mashed potatoes topped with butter and parsley.

Instant Pot Garlic Mashed Potatoes

Make perfect creamy homemade mashed potatoes every single time with my easy-to-make recipe for Instant Pot Garlic Mashed Potatoes. This classic side dish is made within 30 minutes with fresh ingredients.
5 from 1 vote
Print Pin Rate
Course: Side Dish
Cuisine: American
Diet: Gluten Free
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes
Servings: 6 servings
Calories: 337kcal
Author: Katie

Equipment

  • Instant Pot

Ingredients

  • 7 Russet potatoes peeled and cubed
  • 4 cups Water
  • 8 garlic cloves peeled and smashed
  • 1 teaspoon Salt
  • 4 tablespoons Butter
  • ½ cup Heavy cream
  • salt and black pepper to taste
  • dried parsley flakes for garnish

Instructions

  • First, peel the potatoes, and cut into large 1-inch cubes (make sure all pieces are similar in size). Place in the Instant Pot and cover with about 4 cups of water. Add one teaspoon of salt to the water and the garlic cloves.
  • Close the lid, making sure the valve is in "sealing" position. Select the "steam" setting and cook for 10 minutes.
  • As soon as the Instant Pot beeps and the potatoes are done; carefully do a quick pressure release. Drain the potatoes immediately into a strainer.
  • Return the potatoes back to the Instant Pot. Using a potato masher immediately mash the potatoes. Let the steam escape for a few minutes. Then mix in the butter and heavy cream. Salt and pepper to taste and add parsley flakes on top for garnish. Serve immediately.

Notes

  • DO NOT use a hand-mixer or stand-mixer when making mashed potatoes. This was the number one reason why my mashed potatoes were turning to paste. I over mixed them.
  • Invest in a potato masher. I know what your thinking–another kitchen gadget?!?! Yes, if you want to make successful mashed potatoes every single time you need to invest in a potato masher.
  • Do not over mix. After you have drained *and rinsed your potatoes you’ll place them back in the Instant Pot. Then, using the potato masher you will begin to mash the potatoes. I spend 30-60 seconds tops doing this and leave them a little lumpy. Then I let them rest for a few minutes. I return to add in cubed salted butter and heavy cream. My potatoes are creamy and I’m not beating them to death.
  • Even Cuts – By cutting the potatoes in even size this will prevent some to turn to mush while others not cook through. I find that a thicker 1-inch size piece of potato works just fine.
  • Room Temperature – For best results and to ensure you don’t end up with gummy potatoes have the butter and heavy cream at room temperature.
  • Broth – You can use a box of chicken broth instead of water. Just make sure you reduce the amount of salt you add to the pot as most chicken broth has a lot of sodium already in it.

Nutrition

Serving: 0.5c | Calories: 337kcal | Carbohydrates: 47g | Protein: 6g | Fat: 15g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 0.3g | Cholesterol: 42mg | Sodium: 474mg | Potassium: 1073mg | Fiber: 3g | Sugar: 2g | Vitamin A: 528IU | Vitamin C: 16mg | Calcium: 60mg | Iron: 2mg
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About Katie

Katie is a busy mom of 2 children who loves to feed her family delicious meals that don't take hours to cook! She started her blog 10 years ago as a way to help others get cooking in the kitchen.

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I'm Katie Jasiewicz: home cook, food blogger, and recipe developer. A busy mom of two children who loves to feed her family delicious meals that don’t take hours to cook! My mission is to create easy-to-make modern comfort food for the busy family. (more)

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