Creamy Instant Pot Mashed Sweet Potatoes

Instant Pot Mashed Sweet Potatoes Recipe makes it easy to skip peeling and chopping — cook sweet potato halves in your pressure cooker for fluffy, creamy, and delicious results.

Close up shot on Instant Pot mashed sweet potatoes in white serving bowl, with melted butter on top.

Why this recipe works

If you want a quick, no-fuss side dish that still tastes homemade, these Instant Pot mashed sweet potatoes are a great choice. Using the pressure cooker dramatically shortens cook time and eliminates the need to peel and chop each potato. Washing and halving the potatoes is all the prep required. Pressure cooking steams the potatoes evenly, producing tender flesh that whips into a smooth, fluffy mash when mixed with butter, brown sugar, salt, and a touch of vanilla.

Because you cook the potatoes intact (halved), they retain more of their natural flavor and moisture while becoming perfectly soft inside. The simple finishing ingredients — butter and brown sugar — enhance sweetness and create a creamy texture. This method also gives you a versatile mash that can be served as a simple side with a pat of butter or used as the base for a sweet potato casserole topped with pecans or toasted marshmallows.

Ingredients

  • 1 ½ lbs sweet potatoes — choose potatoes of similar size for even cooking
  • 1 cup water — required for building pressure in the Instant Pot
  • 2 tablespoons unsalted butter — adds richness and creaminess
  • 3 tablespoons packed brown sugar — balances the natural sweetness
  • ½ teaspoon salt — enhances flavor
  • 1 teaspoon pure vanilla extract — optional, adds warmth and depth

How to make mashed sweet potatoes in the Instant Pot

  • Place the metal trivet in the Instant Pot insert and add 1 cup of water.
  • Wash the sweet potatoes thoroughly. Slice each potato lengthwise into halves. Arrange the halves on the trivet with the cut side up; stacking is fine if needed.
  • Close the lid and set the steam valve to the sealing position. Select the Manual or Pressure Cook setting and set the time to 14 minutes. The Instant Pot will take a few minutes to come to pressure, then begin the timed cook.
  • When the cooking time is finished, allow the pressure to release naturally for best texture. Carefully open the lid, remove the potatoes and trivet, and discard the cooking water.
  • Scoop the sweet potato flesh into a bowl. Add brown sugar, salt, butter, and vanilla. Mash with a potato masher, a whisk, or a hand mixer until smooth and creamy. Adjust butter or sugar to taste.
Overhead shot of sweet potatoes sliced in half, stacked on trivet in Instant Pot.

Helpful tips

  • Halving the potatoes cuts cooking time significantly while exposing more surface for steam to penetrate. This shortcut keeps prep quick without sacrificing texture.
  • For a richer mash, add a splash of milk, cream, or a little cream cheese when mashing. For a lighter version, reduce the butter and brown sugar.
  • If you plan to use the mash in a casserole, you can fold in beaten eggs and transfer to a baking dish, then top with a pecan-brown sugar crumble or marshmallows and bake until golden.
  • Potato size affects cook time. This recipe uses medium sweet potatoes (about 6″–8″ in circumference). Slightly larger potatoes may require an extra minute or two of pressure cooking.
Overhead shot of mashed sweet potatoes in white bowl, next to Instant Pot.

For comparison, when I make classic mashed white potatoes in the Instant Pot I still peel and chop because the texture and absorption are different. For sweet potatoes, the halved cooking method is fast and efficient and yields a naturally smooth result that’s ideal for holiday plates or simple weeknight dinners.

Instant Pot Mashed Sweet Potatoes

Author: Anna Hinman

Skip peeling and chopping the potatoes — cook them in the pressure cooker for fluffy, creamy mashed sweet potatoes.

Prep time: 10 mins • Cook time: 14 mins • Coming to pressure: 12 mins • Total time: 24 mins

Course: Side Dish • Cuisine: American • Servings: 4 • Calories: 233 kcal (estimate)

Ingredients (recipe card)

  • 1 ½ lbs sweet potatoes
  • 1 cup water
  • 2 tablespoons unsalted butter
  • 3 tablespoons packed brown sugar
  • ½ teaspoon salt
  • 1 teaspoon pure vanilla extract

Instructions (recipe card)

  1. Place the metal trivet in the insert of your Instant Pot and add 1 cup of water.
  2. Wash the sweet potatoes and slice them lengthwise. Place the halves on the trivet cut side up.
  3. Close the lid, set the valve to sealing, choose Manual or Pressure Cook, and set the time to 14 minutes. The pot will come to pressure and then begin counting down.
  4. Allow the Instant Pot to release pressure naturally when the timer ends. Open the lid carefully and remove the potatoes and trivet. Pour out any remaining water.
  5. Scoop the flesh into a bowl. Add brown sugar, salt, butter, and vanilla. Mash with a potato masher, whisk, or hand mixer until creamy. Serve warm.

Notes

  • Potatoes used for this recipe were medium size (about 6″–8″ circumference). Adjust times slightly for much larger or smaller tubers.
  • Nutrition values are estimates and will vary based on the specific brands and ingredients you use.

Nutrition (per serving, estimate)

Calories: 233 kcal | Carbohydrates: 43 g | Protein: 2 g | Fat: 5 g | Saturated Fat: 3 g | Cholesterol: 15 mg | Sodium: 387 mg | Potassium: 585 mg | Fiber: 5 g | Sugar: 15 g | Vitamin A: 24305 IU | Vitamin C: 4 mg | Calcium: 58 mg | Iron: 1.1 mg

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