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Instant Pot Mashed Sweet Potatoes

Updated: Jan 31, 2025 · Published: Nov 22, 2024 by Allie · This post may contain affiliate links ·

Instant Pot mashed sweet potatoes might be the easiest side dish ever. They are naturally delicious on their own, or take them up a notch with an elegant miso-maple swirl.

overhead view of a white bowl of instant pot mashed sweet potatoes with a serving spoon in it
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  • Why you’ll love this recipe
  • Ingredients
  • Instructions
  • Equipment
  • Storage
  • Related

Why you’ll love this recipe

  • The perfect side dish: Sweet potatoes bring a warm, festive color to your table and have a sophisticated sweetness that complements many main dishes.
  • Fuss-free prep: Around the holidays, my Instant Pot has a permanent spot on my counter. When I’m cooking for large gatherings, it effortlessly pressure cooks in the background, freeing up my stovetop for more complicated recipes. 
  • A flavorful take on a classic: With the sweet and savory combination of miso and maple syrup, these Instant Pot mashed sweet potatoes have a unique flavor profile that your guests will love.

Ingredients

overhead view of a bowl of 4 sweet potatoes
overhead view of ingredients for miso-maple swirl

Not shown: Water, fine sea salt (optional).

For plain mashed sweet potatoes, you’ll need:

  • Sweet potatoes: A lovely fall-hued alternative to traditional white mashed potatoes. High in fiber and antioxidants, sweet potatoes are a natural superfood.
  • Water: To cover potatoes while they cook.
  • Fine sea salt (optional): To taste, if desired.

For miso-maple mashed sweet potatoes, you’ll also need:

  • Unsweetened soy milk: Feel free to substitute any other unsweetened plant milk of choice.
  • White miso paste: Adds a mellow umami flavor.
  • Maple syrup: For sweetness. 
  • Garlic powder: Adds a hint of savory flavor.

See recipe card for quantities.

Instructions

overhead view of a bowl containing peeled and chopped sweet potatoes
  • Step 1: Peel the potatoes and roughly cut them into approximately 1-inch cubes.
overhead view of instant pot containing chopped potatoes and water
  • Step 2: Place the potato cubes in the stainless steel inner pot of the Instant Pot. Pour water over them until they are completely covered (approximately 4 to 4½ cups). 
display panel of instant pot showing pressure cook setting for 4 minutes on high
  • Step 3: Place the lid on the Instant Pot and lock it by turning it clockwise until it chimes. Set the Pressure Release knob to Sealing, select the Pressure Cook option on High for 4 minutes, and press Start.
overhead view of closed instant pot with wooden spoon performing quick pressure release
  • Step 4: When the Instant Pot beeps at the end of the timer, carefully switch the Pressure Release knob from Sealing to Venting to release the pressure (a wooden spoon helps protect your hand from any escaping water or steam). When the stainless steel float valve has dropped, open the pot by turning the lid counterclockwise.
cooked potato cubes draining in a colander
  • Step 5: Using a towel or potholders, carefully lift the inner pot and dump the potato-and-water mixture into a colander over the sink. Let the potatoes drain in the colander for a few minutes.
overhead view of instant pot inner pot containing mashed sweet potatoes
  • Step 6: Return the drained potatoes to the inner pot. Using a potato masher, mash until the potatoes are smooth. If you prefer your sweet potatoes plain and simple, without the miso-maple flavor, stop here. Taste and, if desired, add ¼ teaspoon of fine sea salt before serving.
overhead view of inner pot containing mashed sweet potatoes and ingredients for miso-maple swirl
  • Step 7 (miso-maple option): Add ¼ teaspoon of garlic powder, miso paste, maple syrup, and unsweetened plant milk. 
overhead view of inner pot containing mashed sweet potatoes with miso-maple swirl ingredients fully incorporated
  • Step 8 (miso-maple option): Stir well to fully incorporate these ingredients, taking special care to make sure the miso paste is broken up and thoroughly blended in. Taste. If you want a stronger garlic flavor, add an additional ¼ teaspoon of garlic. Serve warm.
overhead view of white bowl containing instant pot mashed sweet potatoes with a serving spoon; beige towel in background

Equipment

  • Cutting board
  • Chef’s knife
  • Instant Pot
  • Colander
  • Potato masher
  • Spoon 

Storage

Instant Pot mashed sweet potatoes keep well in the fridge for 3 to 4 days. Reheat before serving.

Related

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overhead view of instant pot mashed sweet potatoes in a white bowl with a serving spoon in it

Instant Pot Mashed Sweet Potatoes

The Essential Vegan
Instant Pot mashed sweet potatoes might be the easiest side dish ever. They are naturally delicious on their own, or take them up a notch with an elegant miso-maple swirl.
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 4 minutes mins
Time to Come to and Release Pressure 25 minutes mins
Total Time 39 minutes mins
Course Side Dish
Cuisine American
Servings 6

Equipment

  • cutting board
  • chef's knife
  • Instant Pot
  • colander
  • potato masher
  • spoon

Ingredients
  

  • 2½ pounds sweet potatoes (about 3 or 4 medium sweet potatoes)
  • water to cover potatoes (about 4 to 4½ cups)
  • ¼ teaspoon fine sea salt (optional)

Miso-maple sweet potatoes ingredients

  • ¼ cup unsweetened soy milk (or other unsweetened plant milk)
  • 1 tablespoon white miso paste
  • 1 tablespoon maple syrup
  • ¼ to ½ teaspoon garlic powder

Instructions
 

  • Prepare the potatoes: Peel the potatoes and roughly cut them into approximately 1-inch cubes.
  • Add to the Instant Pot: Place the potato cubes in the stainless steel inner pot of the Instant Pot. Pour water over them until they are completely covered (approximately 4 to 4½ cups). 
  • Cook: Place the lid on the Instant Pot and lock it by turning it clockwise until it chimes. Ensure the Pressure Release knob is set to Sealing. Select the Pressure Cook option on High for 4 minutes and press Start.
  • Release the pressure: When the Instant Pot beeps at the end of the timer, carefully switch the Pressure Release knob from Sealing to Venting to release the pressure (I recommend using a wooden spoon or something similar to protect your hand from any escaping water or steam). Turn the lid counterclockwise to open the pot once the stainless steel float valve has dropped.
  • Drain: Using a towel or potholders, carefully lift the inner pot and dump the potato-and-water mixture into a colander over the sink. Let the potatoes drain in the colander for a few minutes.
  • Mash: Return the drained potatoes to the inner pot. Using a potato masher, mash until the potatoes are smooth. 
  • For basic mashed sweet potatoes: If you prefer your sweet potatoes plain and simple, without the miso-maple flavor, stop here. Taste and, if desired, add ¼ teaspoon fine sea salt before serving.
  • For miso-maple mashed sweet potatoes: Add ¼ teaspoon of garlic powder, miso paste, maple syrup, and unsweetened plant milk. Stir the potatoes well to fully incorporate these ingredients, taking special care to make sure the miso paste is broken up and thoroughly blended in. Taste. If you want a more pronounced garlic flavor, add an additional ¼ teaspoon garlic powder. Serve warm.
Keyword easy mashed sweet potatoes, fall recipes, instant pot, mashed sweet potatoes, mashed sweet potatoes dairy free, sweet potato recipes, thanksgiving recipes

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Welcome!

I’m Allie and I’m so glad you’re here! In this blog, you’ll find quick, healthy, and delicious plant-based recipes that anyone can make. I hope you find something here to brighten your day!

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