Instant Pot Mashed Potatoes {No Drain}

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Instant Pot Mashed Potatoes (no drain) are the perfect way to make this family favorite side dish. It’s a quick and easy side dish to make and a great way to keep your oven available.

There are so many different ways to make mashed potatoes. These are by far the easiest mashed potatoes I’ve ever made because there is no need to drain them since it’s an Instant Pot recipe.

The result of this mashed potato recipe is a creamy, delicious side that will have everyone at Thanksgiving coming back for more.

A bowl of creamy instant pot mashed potatoes.


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About Instant Pot Mashed Potatoes (no drain)

I love mashed potatoes, especially during Thanksgiving and Christmas, and I’m not the only one. About half of U.S. adults said that mashed potatoes are their favorite side at Thanksgiving, making this a fan-favorite. This potato recipe has never been easier since you can do it in an Instant Pot.

Why This Delicious Instant Pot Mashed Potato Recipe is a Keeper

These mashed potatoes are great since they have a short cook time, everyone is going to love it, you can throw it in the fridge for later and you can adapt it to your liking.

  • 20 Minute Side Dish: The cook time for these potatoes is only 10 minutes with another 10 minutes for prep.
  • 7 Easy Ingredients: You only need 7 ingredients for the best mashed potatoes and they all might already be in your house.
  • Family Friendly: The entire family is going to love these creamy mashed potatoes.
  • Adaptable: Can adapt it to meet you or your loved ones’ needs.
  • Makes Great Leftovers: Save your leftover mashed potatoes for later. Try it in Leftover Thanksgiving Casserole.

If you’re looking for more Thanksgiving side dishes, try these Crockpot Green Bean Casserole, Old Fashioned Baked Macaroni and Cheese and Fresh Cranberry Salad with Oranges

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What Type of Potatoes are Best for Mashed Potatoes?


The best types of potatoes to use for mashed potatoes are either Russet potatoes or Yukon Gold potatoes. You’ll generally want to use yellow potatoes rather than red potatoes because they have a higher starch content.

Ingredient Notes for Instant Pot Mashed Potatoes (No Drain)

Russet potatoes to make the recipe.
  • Russet Potatoes: We are using Russet potatoes in this recipe, but again, you could use Yukon Gold potatoes. You’ll need 3 pounds of potatoes, peeled and cut into quarters.

See the recipe card below for a complete list of the ingredients with measurements.

Variations and Substitutions for the Instant Pot Recipe

  • Add-Ins: To make things interesting, go ahead and add in other ingredients. Try adding in cloves of garlic or garlic powder to make delicious Instant Pot garlic mashed potatoes. Garlic cloves add a lot of flavor.
  • Variations: To add even more flavor, try the potatoes and chicken broth.
  • Margarine: Using margarine is a great way to substitute for butter.
  • Cooking Options: If you don’t have an Instant Pot you can boil and drain your potatoes the old-fashioned way.

Special Equipment Needed to Make Mashed Potatoes

How to Make the Best Instant Pot Mashed Potatoes

Pressure Cooker Mashed Potatoes comes together in just 3 simple steps, cutting down your Thanksgiving prep time by a lot.

These are the basic steps for making mashed potatoes in the Instant Pot. Refer to the full, printable recipe card below for detailed instructions.

Preparing and mashing the potatoes.


Peel the potatoes and cut them into quarters. Add the potatoes in the Instant Pot with just enough water to cover. Then, add salt.


Seal the lid and manual cook the potatoes on high pressure for 10 minutes. Quick release the pressure and test the potatoes for doneness. You’ll know if the potatoes are done if you can easily insert a fork into the potato and it also pulls out easily.


Mash the potatoes when they’re done until they reach your desired consistency. Finally, stir in butter, half and half, sour cream and All Purpose Seasoning. An easy way to mash is with a potato masher.

Recipe FAQs for No Drain instant Pot Mashed Potatoes

Mashed potatoes can last up to about 4 days in the fridge.

Add a thickening agent! Some of the best options for this are flour, cornstarch, or even powdered milk.

Yes. If you over mix cooked potatoes they’re going to end up as a sticky paste. An easy way to fix sticky potatoes is by folding in a tablespoon of butter to recreate buttery mashed potatoes.

A serving of the finished instant pot mashed potaotes.

Expert Tips for Making This Instant Pot Garlic Mashed Potato Recipe

  • This Recipe Can be Doubled: If you’re doubling the potatoes, split them up into 2 groups and cook one group at a time to avoid over filling your Instant Pot.
  • Add Bacon & Herbs: Adding in bacon can spice things up by giving you a savory taste. You can also add in herbs such as chives, dill, rosemary – whatever you like.
  • Cream Cheese: Adding in cream cheese will make your potatoes even creamier.
  • Vegetable Peeler: Use a vegetable peeler to easily peel potatoes.
  • Milk: An easy substitution for half-in-half is milk. Better yet if you can combine about 3/4 cup milk and 1/4 cup heavy cream to the Instant Pot Mashed Potatoes (No Drain).
  • Sour Cream: Warm in the microwave to ensure even combination.
  • Other Additions: Feel free to add cheese for cheesy potatoes.

What to Serve with Instant Pot Mashed Potatoes (No Drain)

Instant Pot Mashed Potatoes
4.89 from 9 votes

Instant Pot Mashed Potatoes (No Drain)

Yield: 6 servings
Prep: 10 minutes
Cook: 10 minutes
Total: 20 minutes
Instant Pot Mashed Potatoes (no drain) are the perfect way to make this family favorite side dish. It’s a quick and easy side dish to make and a great way to keep your oven available.
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  • 3 pounds Russet potatoes, peeled and cut into quarters
  • Water
  • 1 teaspoon Salt
  • ¼ cup Butter
  • ¼ cup Sour cream
  • cup Half and half
  • 1 teaspoon All Purpose Seasoning


  • Put prepared potatoes in the Instant Pot.
  • Pour enough water over the potatoes to just cover them.
  • Add salt.
  • Secure the lid and cook on high pressure for 10 minutes.
  • Quick release the pressure and test the potatoes for doneness – a fork inserted in the potato should easily release.
  • When potatoes are done, mash the potatoes to your desired consistency.
  • Stir in butter, half and half, sour cream and House Seasoning Blend.
  • You can add more half and half to reach your desired consistency.

Expert Tips

  • Top: Finish with bacon bits or fresh chives.
  • Best Mashers: A ricer works best for the best texture but you can use a potato masher or an electric hand mixer.
  • Additions: Cream cheese, heavy cream or chicken broth can be of use for this best instant pot mashed potatoes.
  • Warm up: Before you add the sour cream, butter and half and half warm them in the microwave.

Estimated Nutritional Information

Calories: 300kcal | Carbohydrates: 42g | Protein: 5g | Fat: 12g | Saturated Fat: 7g | Cholesterol: 35mg | Sodium: 872mg | Potassium: 994mg | Fiber: 2g | Sugar: 1g | Vitamin A: 390IU | Vitamin C: 13.2mg | Calcium: 71mg | Iron: 1.9mg
The nutritional information provided are estimates. To learn more about how I calculate this information go to
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Course: Side Dish
Cuisine: American

9 thoughts on “Instant Pot Mashed Potatoes {No Drain}”

  1. Hey there? Is there something else to use in place of half and half? I know I can use light sour cream in place of the regular one.

  2. 5 stars
    Love, LOVE my Instant Pot, and yes, a ricer is a must for the best mashed potatoes. I’ve never used half and half in mine — going to try it!

  3. 5 stars
    I thought that I had every single kitchen gadget, but now I know that I need a potato ricer! It’s going on my holiday list. Thanks for the tip!


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