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    Home » Recipes » Sides

    Instant Pot Mashed Sweet Potatoes

    Published: Sep 27, 2021 · Modified: Apr 6, 2022 by Cassidy Reeser · This post may contain affiliate links.

    2.8K shares
    jump to recipe

    Mashed Sweet Potatoes are so easy to make in the Instant Pot in just under 30 minutes! These silky smooth potatoes are combined with warming spices for a simple yet flavorful fall side.

    Side view of white bowl of mashed sweet potatoes on a blue cloth

    Recipe features

    Have you tried making sweet potatoes in the Instant Pot yet? It's like magic. It only takes 3 minutes on high pressure to cook a diced sweet potato!

    If you're short on time for dinner or on Thanksgiving day (who isn't?), this recipe is a great time saver.

    Here's why this recipe works:

    • Mashed sweet potatoes are ready in under 30 minutes
    • Uses just 10 ingredients to make sweet spiced mashed potatoes
    • Can easily be doubled and frozen for later

    Whether you're roasting them, making stuffed sweet potatoes, or making a casserole, this is the best time of year to cook with sweet potatoes!

    Table of Contents hide
    1 Recipe features
    2 Main ingredients
    3 Step by step instructions
    4 Expert tips
    5 Recipe FAQ
    6 Recipe variations
    7 Looking for more Instant Pot recipes?
    8 Instant Pot Mashed Sweet Potatoes

    Main ingredients

    Labeled ingredients used to make mashed sweet potatoes

    To make the most bare-bones of Instant Pot mashed potatoes you really only need sweet potatoes and water. This version is lightly sweetened and spiced for a flavorful fall side!

    • Sweet potatoes: Choose Jewel or Garnet sweet potatoes for a classic mashed sweet potato. These are the most common orange/red-fleshed sweet potatoes at the grocery store.
    • Cinnamon and nutmeg are the main spices
    • Light brown sugar is my favorite fall sweetener, but a touch of maple syrup would also be tasty. Dark brown sugar also works.
    • Milk: I recommend 2% milk but any kind will work.

    Step by step instructions

    All of my Instant Pot recipes are made in a 6 qt DUO60 Instant Pot.

    Step 1. Peel sweet potatoes. Slice sweet potatoes into one-inch cubes.

    Uncooked diced sweet potatoes in a steamer basket

    Step 2. Add sweet potatoes and 1 cup water directly to the Instant Pot OR place sweet potatoes in a steamer basket. I prefer using a steamer basket because it cooks the potatoes more evenly. Lock the lid in place and set the vent to "sealing".

    Cooked diced sweet potatoes in a steamer basket

    Step 3. Select "high pressure" and adjust the timer to 3 minutes. When the 3-minute timer is up, do a quick pressure release to remove all steam at once. Careful, a lot of hot steam will come out! Drain water from the Instant Pot.

    Note: If the potatoes aren't fork-tender and easily mashable, cook on high pressure for 1 more minute. Do a quick pressure release, repeating as needed.

    Diced sweet potatoes topped with cinnamon and brown sugar in the Instant Pot

    Step 4. Add butter to the hot pot. It should melt quickly over "keep warm", but you can adjust to "sauté" if needed. Once melted, add the milk. Mash with a potato masher until smooth.

    Mashed sweet potatoes in Instant Pot with red spatula

    Step 5. Stir in the brown sugar, cinnamon, nutmeg, vanilla, and a pinch of salt. Enjoy!

    Expert tips

    • I recommend using a steamer basket for this recipe to make clean-up easier. If you don't have a steamer basket, you can place the sweet potatoes directly into the Instant Pot. 
    • For ultra-creamy sweet potatoes, you can puree the cooked sweet potatoes in a blender (a standard blender like this works well) or use an immersion blender directly in the Instant Pot. This will remove any stringy sweet potato bits. You may need to add an 1-2 tablespoons of milk while blending. Be careful if blending, as heat from the sweet potatoes can cause pressure to build up in the blender.
    • Garnish: I love to garnish sweet potatoes with toasted pecans. To toast raw pecans, set your clean Instant Pot to "sauté" on "normal". Once hot, add ¼ cup pecans. Toast for 1-2 minutes, stirring frequently to prevent burning.
    • To make dairy-free: Swap out butter for vegan butter or coconut oil and use your favorite unsweetened, unflavored non-dairy milk for dairy-free mashed sweet potatoes.

    Recipe FAQ

    Can I double this recipe?

    Yes, you can double the recipe if you have a 6 or 8 quart Instant Pot. All ingredients should be doubled but cook time will remain the same. It will take longer for the Instant Pot to come to pressure.

    Does mashed sweet potato freeze well?

    Yes, this recipe freezes well. Let the mashed potatoes cool to room temperature before transferring to a freezer-safe container. Freeze for up to 3 months. When ready to use, let thaw overnight in the fridge.

    Can I leave the skin on the sweet potatoes?

    Yes, you can cook the sweet potatoes with their skin on. The mashed potatoes won't be as silky smooth and will have more of a rustic feel to them.

    Can I use milk instead of water?

    I don't recommend using milk because it is at risk of scalding while pressure cooking. Instead, drain off the excess water after cooking and add in milk to taste.

    What do you serve with mashed sweet potatoes?

    These work great as a Thanksgiving side. For a well-rounded dinner, serve with your favorite protein (I love panko tofu cutlets), collard greens or green beans, and cornbread or biscuits.

    How do you store and reheat this?

    Keep leftovers refrigerated for up to 3-4 days in a closed container. You can reheat the entire batch on the stovetop over medium-low or in the microwave. Make sure to add a splash of milk to loosen the sweet potatoes and keep them from drying out.

    Can I use the same method with butternut squash?

    I haven't tested it out myself but butternut squash should take about the same amount of time to cook as sweet potato and it is delicious when mashed with sweet ingredients. You might also like this roasted butternut squash recipe.

    Can I make this on the stove instead?

    Yes! Add the diced and peeled sweet potato to a medium stockpot or Dutch oven. Cover with 1 inch of cold water. Bring to a boil over high heat. Boil, uncovered, until fork-tender, about 15-18 minutes. Drain off the water when tender. Stir in the milk, cinnamon, nutmeg, butter, and brown sugar and mash until smooth.

    Recipe variations

    • Plain mashed sweet potatoes: Simply add salt, pepper, butter and milk to taste for simple mashed sweet potatoes.
    • Herbed sweet potatoes: Heat 1-2 tablespoons butter in the Instant Pot using the "sauté" mode. Add 2-3 cloves minced garlic and 1 tablespoon each of fresh chopped rosemary, thyme and sage. Cook for 30 seconds to bloom, then add the sweet potatoes, milk and salt and pepper to taste.
    • Spicy chipotle sweet potatoes: Add in one to two diced chipotle peppers with 1 tablespoon adobo sauce for spicy potatoes Add ¼ teaspoon smoked paprika for extra depth.
    • Cheesy sweet potatoes: Salt, pepper, and ¼ cup of fresh grated Parmesan is SO good and savory. Asiago also goes well with sweet potatoes.
    Overhead view of white bowl filled with orange mashed sweet potatoes and pecans

    Looking for more Instant Pot recipes?

    I also have a recipe for traditional mashed potatoes that you might like.

    • Instant Pot Apple Cinnamon Steel Cut Oats
    • Vegetarian Instant Pot Lentil Soup
    • Instant Pot Red Lentil Curry with Sweet Potatoes
    • Chickpea Noodle Soup (Instant Pot or Stove Top)

    Did you try this recipe? You can leave a star rating ⭐️⭐️⭐️⭐️⭐️ in the recipe card or a review down in the comments section. I always appreciate your feedback! You can also follow along on my YouTube, Instagram, TikTok, and Pinterest or sign up for my newsletter!

    Overhead view of white bowl filled with orange mashed sweet potatoes and pecans
    Print Recipe
    5 from 2 votes

    Instant Pot Mashed Sweet Potatoes

    Sweet potatoes are combined with warming fall ingredients in this easy 30 minute Instant Pot recipe.
    Prep Time10 mins
    Cook Time3 mins
    Time to Come to Pressure10 mins
    Total Time23 mins
    Servings: 6 servings
    Author: Cassidy Reeser, MS, RD

    Ingredients

    • 2 pounds sweet potatoes peeled and diced in 1" cubes
    • 1 cup water
    • 3 tablespoons unsalted butter
    • ½ cup milk
    • ¼ cup light brown sugar
    • ½ teaspoon ground cinnamon
    • ¼ teaspoon ground nutmeg
    • ½ teaspoon vanilla extract
    • pinch salt
    • ¼ cup chopped pecans (optional)

    Instructions

    • If using a steamer basket, add water to the Instant Pot and place sweet potatoes in the steamer basket. Place steamer basket in the Instant Pot. Otherwise, add sweet potatoes and 1 cup water directly into the Instant Pot. Lock the lid in place and set the pressure valve to "sealing".
    • Select "high pressure" and set the timer to 3 minutes. When the 3-minute timer is up, do a quick pressure release to remove all steam at once. Careful, a lot of hot steam will come out!
    • Drain water from the Instant Pot. Add butter to the warm pot. It should melt over "keep warm" but "sauté" can be selected if needed. Once melted, add the cooked sweet potato and milk. Mash with a potato masher until smooth.
    • Add the light brown sugar, cinnamon, nutmeg, vanilla extract and pinch of salt. Stir to combine. Enjoy hot, garnished with pecans and an extra sprinkle of brown sugar and cinnamon.

    Video

    Notes

    1. If the potatoes aren't fork-tender and easily mashable after pressure cooking you can cook on high pressure for 1 more minute. Do a quick pressure release, repeating as needed.
    2. Cooking equipment: I recommend using a steamer basket for this recipe to make clean-up easier. If you don't have a steamer basket, you can place the sweet potatoes directly into the Instant Pot. 
    3. For ultra-creamy sweet potatoes, you can puree the hot sweet potatoes with an immersion blender. This will remove any stringy sweet potato bits.  
    4. To toast pecans, set your Instant Pot to "sauté". Once it reads "hot", add ¼ cup pecans. Toast for 1-2 minutes, stirring frequently to prevent burning.
    5. To make dairy-free: Swap out butter for vegan butter or coconut oil and use your favorite unsweetened, unflavored non-dairy milk.
    6. Leftovers and reheating: Keep leftovers refrigerated for 3-4 days in a closed container. Reheat individual servings in the microwave or on the stove over medium-low heat with an extra splash of milk.
    7. Freezing: Let the mashed potatoes cool to room temperature before transferring to a freezer-safe container. Freeze for up to 3 months. When ready to use, let thaw overnight in the fridge.
       

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    Serving: 1servingCalories: 261kcalCarbohydrates: 41gProtein: 4gFat: 10gSaturated Fat: 4gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gTrans Fat: 1gCholesterol: 17mgSodium: 97mgPotassium: 570mgFiber: 5gSugar: 16gVitamin A: 21661IUVitamin C: 4mgCalcium: 84mgIron: 1mg

    Author's note: This recipe was originally shared September 2019. It was updated September 2021 with new photos, a video, and more tips. The recipe remains the same with small adjustments for consistency.

    More Vegetarian Side Recipes

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    • Mashed Red Potatoes
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    2.8K shares

    Reader Interactions

    Comments

    1. Dru Williamson

      November 23, 2022 at 8:36 pm

      Great. & so easy

      Reply
    2. Tanner

      November 05, 2020 at 7:31 am

      I grew a lot of sweet potatoes in my garden this year so I looked for a mashed potatoes recipe. Great way to use up sweet potatoes! I didn't have nutmeg so I omitted it. Still a great recipe. Thanks.

      Reply

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    Hi, I’m Cassidy! I’m the registered dietitian behind Cozy Peach Kitchen, a food and nutrition blog sharing easy vegetarian recipes for every occasion.

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