Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (2024)

Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (1)

By: Becky Hardin

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Free up your oven this Thanksgiving and make your sweet potato casserole in your Instant Pot. Ready to serve in 30 minutes, creamy mashed sweet potatoes are topped with marshmallows and pecans.

Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (2)

Table of Contents

Easy Sweet Potato Casserole

If you are in the middle of planning your Thanksgiving menu, then this Instant Pot sweet potato casserole needs to be on your list!

Cooking this classic side dish is so effortless in the Instant Pot and I love that it frees up valuable space in your oven on the big day.

Topped with marshmallows, it’s perfectly sweet and complete with a crunchy pecan topping.

Be sure to try my Sweet Potato Rolls and Instant Pot Mashed Sweet Potatoes too!

Why You’ll Love this Sweet Potato Casserole Recipe:

  • QUICK: Making this side dish is so much quicker in the Instant Pot!
  • ONE POT: All made in the pressure cooker, even the clean up is a breeze!
  • GREAT FOR A CROWD: This recipe easily serves 6 and the leftovers are pretty great too!

A classic sweet potato casserole is so quick and easy to cook in the Instant Pot and the results are so perfect!

Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (3)

Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (4)

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How to Make Instant Pot Sweet Potato Casserole

You can jump to the recipe card for full ingredients & instructions!

  • Place the sweet potatoes on a trivet in the Instant Pot with water.
  • Cook on high.Scoop the flesh from the sweet potato skins and mash.
  • Add the butter and seasonings to the Instant Pot on saute.
  • Add the mashed sweet potatoes, egg and cream and mix well.
  • Top with the marshmallows and cover.Top with pecans to serve.

What size Instant Pot do I need for sweet potato casserole?

A 6 quart Instant Pot is best for this recipe. If you have a larger model you can double the recipe.

Can I make this casserole in a crockpot?

If you don’t have an Instant Pot, this recipe also works great in a slow cooker! Check out my Crockpot sweet potato casserole for full step by step instructions.

What is the best way to reheat sweet potato casserole?

You can make this ahead of time and reheat it in the oven to serve. Place the seasoned sweet potatoes into a casserole dish and top with the marshmallows. Cover and refrigerate for 3 to 4 days. Reheat in an oven at 360F, covered with foil, til warmed through, about 15 to 20 minutes.

Can I freeze sweet potato casserole?

Yes, this freezes well. Don’t add the marshmallows or toppings and freeze in a covered casserole dish. Thaw in the fridge overnight before reheating.

Serving Suggestions

This Instant Pot sweet potato casserole is perfect for Thanksgiving, serve it up with your other favorites like…

  • Roast Turkey Recipe
  • Loaded Green Bean Casserole
  • Brussels Sprouts Gratin
  • Red Wine Glazed Carrots

This is such a great method to cook a classic sweet potato casserole. So much quicker and teh results are extra delicious!

Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (5)

Tips!

  • If making ahead of time, let cool fully before storing.
  • Pecans are traditionally used, but walnuts work great too for the topping.
  • You can keep the casserole warm in the Instant Pot for up to one hour.

Take the stress out of cooking a delicious Thanksgiving dinner with this recipe! I guarantee that it’ll be a hit!

Can I use canned sweet potatoes?

Yes you can. Canned sweet potatoes won’t need to be peeled, but they’ll still need to be cooked through to mash.

Can I substitute yams for sweet potatoes?

Yams are more starchy than sweet potatoes, they are much more like regular potatoes in texture, so they are best avoided for this recipe, though you can use them in a pinch.

Is this casserole gluten free?

Yes, this recipe is gluten-free so it’s a great option if someone has an intolerance.

Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (6)

More Thanksgiving Side Dish Recipes We Love

  • Bacon Wrapped Green Bean Bundles
  • Roasted Red Potatoes with Bacon
  • Instant Pot Green Bean Casserole
  • Loaded Smashed Potatoes
  • Cheesy Roasted Vegetables

Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (7)

All the Holiday Sides

60+ Holiday Side Dish Recipes

This holiday season be sure to check out our sides guide for all the recipes plus tips and tricks for entertaining.

See Sides Guide

This Instant Pot sweet potato recipe is a must have for your Thanksgiving this year! I love that it frees up room in your oven for that delicious roasted turkey!

More Sweet Potato Recipes to Try:

  • Sweet Potato Chili
  • Sweet Potato Souffle Cups
  • Baked Sweet Potato Chips
  • Savory Mashed Sweet Potatoes
  • Twice Baked Sweet Potatoes

If you make this recipe be sure to upload a photo in the comment section below or leave a rating. Enjoy! You can also jump to recipe.

Recipe

Instant Pot Sweet Potato Casserole Recipe

4.59 from 12 votes

Author: Becky Hardin

Prep: 5 minutes minutes

Cook: 25 minutes minutes

Total: 30 minutes minutes

Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (8)

Serves6

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Free up your oven this Thanksgiving and make your sweet potato casserole in your Instant Pot. Ready to serve in 30 minutes, creamy mashed sweet potatoes are topped with marshmallows and pecans.

Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (9)

Email This Recipe

Enter your email and we’ll send the recipe directly to you!

By submitting this form, you consent to receive emails from The Cookie Rookie.

Ingredients

  • pounds sweet potatoes
  • cups water
  • 3 tablespoons unsalted butter
  • cup brown sugar firmly packed
  • 2 tablespoons pure maple syrup
  • 1 teaspoon pure vanilla extract
  • 1 teaspoon ground cinnamon
  • ½ teaspoon ground ginger
  • ½ teaspoon kosher salt
  • 3 tablespoons heavy cream
  • 1 large egg lightly beaten
  • cups mini marshmallows
  • ¼ cup toasted chopped pecans optional

Instructions

  • Scrub the sweet potatoes and cut them in half. Pour 1½ cups of water into the Instant Pot and place the trivet in the bottom. Spread the sweet potatoes on top.

    2½ pounds sweet potatoes, 1½ cups water

    Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (10)

  • Secure and seal the lid. Cook the sweet potatoes on Manual High pressure for 18 minutes. When the time is up, perform a Quick Release of the pressure. When the pin drops, carefully remove the lid.

  • Remove the sweet potatoes to a cutting board and discard the water from the inner pot. When the potatoes are cool enough to be handled, slip the skins off and transfer them to a large mixing bowl. Mash them until smooth, then cool slightly.

    Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (11)

  • Press Sauté on the Instant Pot. Add the butter. Once the butter melts, stir in the brown sugar, maple syrup, vanilla, cinnamon, ginger, and salt and simmer for 2 minutes, until melted.

    3 tablespoons unsalted butter, ⅓ cup brown sugar, 2 tablespoons pure maple syrup, 1 teaspoon pure vanilla extract, 1 teaspoon ground cinnamon, ½ teaspoon ground ginger, ½ teaspoon kosher salt

    Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (12)

  • To the mashed sweet potatoes, add the egg and heavy cream and mix well. Transfer this mixture into the inner pot. Cook for 1-2 minutes, stirring constantly, until heated through. Press Cancel.

    1 large egg, 3 tablespoons heavy cream

    Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (13)

  • Top with marshmallows and cover for 2-3 minutes, until they melt slightly (or use a kitchen torch to brown them). Top with pecans and serve.

    1½ cups mini marshmallows, ¼ cup toasted chopped pecans

    Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (14)

  • Optional: Prior to serving, transfer the sweet potato casserole filling from the Instant Pot to a 1-quart casserole dish. Top with marshmallows and pecans and bake at 350°F for 20-30 minutes, until melted and browned.

Last step! Don’t forget to show me a pic of what you made! Upload an image or tag me @thecookierookie on Instagram!

Becky’s tips

  • If making ahead of time, let cool fully before storing.
  • Pecans are traditionally used, but walnuts work great too for the topping.
  • You can keep the casserole warm in the Instant Pot for up to one hour.

Nutrition Information

Calories: 388kcal (19%) Carbohydrates: 66g (22%) Protein: 5g (10%) Fat: 13g (20%) Saturated Fat: 6g (38%) Polyunsaturated Fat: 1g Monounsaturated Fat: 4g Trans Fat: 1g Cholesterol: 53mg (18%) Sodium: 329mg (14%) Potassium: 710mg (20%) Fiber: 6g (25%) Sugar: 31g (34%) Vitamin A: 27141IU (543%) Vitamin C: 5mg (6%) Calcium: 94mg (9%) Iron: 2mg (11%)

Did You Make This?I want to see! Be sure to upload an image below & tag @thecookierookie on social media!

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Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (16)

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Instant Pot Sweet Potato Casserole Recipe - The Cookie Rookie® (2024)

FAQs

How do you make sweet potato casserole not watery? ›

Eggs and cream help stabilize the dish and prevent it from becoming too runny (a common complaint with many sweet potato casserole recipes). Make it as smooth or chunky as you like!

Why put egg in sweet potato casserole? ›

The egg is the all-important binder in a sweet potato casserole: it enriches and stiffens the mixture without making it heavy. Make sure to cool the mash slightly before adding the egg so it doesn't scramble, and to stir well so there are no streaks of cooked egg white in the finished dish.

How do you know when a sweet potato casserole is done? ›

Sprinkle the topping evenly over the sweet potato mixture, then pop it into the oven and let it bake for 40 to 45 minutes. You will know it's done when the topping is lightly browned and the center of your casserole is set and firm.

Why is my sweet potato still hard after baking? ›

If the potato is still firm when squeezed, that means it needs to cook more. Baked sweet potatoes can be stored in an airtight container in the refrigerator for up to 5 days. Reheat for 2 minutes in the microwave, at 400°F in the air fryer for 5 minutes, or at 400°F in the oven for 10 minutes.

What makes sweet potato casserole runny? ›

Boiling drains out flavor and also makes the sweet potatoes wet. If you bake the sweet potatoes and don't add liquid, you will not have watery sweet potato casserole. Add more potato and no liquid also you could use potato flakes to thicken them to the texture you like.

How do you thicken up sweet potato casserole? ›

Choose orange sweet potatoes for the best flavor and sweetness. Brown sugar adds a depth of flavor with a hint of molasses and helps create a caramel-like sauce. All-purpose flour will help thicken the sauce and give some structure.

Why do you soak sweet potatoes before baking? ›

The cold water bath helps rinse the starch off the sweet potatoes so they're a bit more crispy. That said, if you do not have the time, you can still get crispy baked sweet potato fries by using high heat and a little drizzle of olive oil.

Are candied yams and sweet potato casserole the same thing? ›

Spoiler: They're not the same vegetable.

That's because sweet potatoes and yams are in fact very different vegetables that we've come to refer to interchangeably for a number of reasons over the years. While a dish may arrive at your table calling itself "candied yams," it may well have been made with sweet potatoes.

Why do Americans put marshmallows on sweet potato casserole? ›

Most people point to a 1917 pamphlet by the Angelus Marshmallow Company as the first time sweet potatoes and marshmallows came together. This company is believed to be the first to commercially-produce and sell the squishy white marshmallows we know, roast, and snack on today.

Does sweet potato casserole have to be refrigerated after cooking? ›

Cover and refrigerate leftover sweet potato casserole for up to four days. Bring to room temperature, then warm at 325°F until hot throughout before serving.

Why is my sweet potato casserole stringy? ›

Sweet potatoes stored at temperatures above 60 degrees Fahrenheit will shrivel and become dry and stringy. Sweet potatoes may develop an off-flavor and the flesh may become discolored when stored at temperatures below 55 degrees Fahrenheit.

Can you eat sweet potato casserole left out overnight? ›

Cooked sweet potato should be kept in the refrigerator and eaten within 5 to 7 days, says Richard. "Cooked food should not sit at room temperature more than two hours before putting it in the refrigerator or freezer (or one hour when the temperature is above 90°F)," she notes.

When should you not eat sweet potatoes? ›

How to tell if sweet potatoes have gone bad. If your sweet potato is soft in spots, smells rotten, or oozes a mysterious liquid, that potato should be discarded. Another sign that sweet potatoes have taken a turn for the worse is if they start growing stalky purplish sprouts.

Can you eat old sweet potatoes? ›

Is it soft, wet, oozing, squishy, discolored, or sprouting? If yes to any, then toss it! If the sweet potato is firm and not sprouting, it's still fresh and safe to eat. If it's firm with only a few sprouts, you can cut the sprouted area off, then cook and eat immediately.

What are the black dots on my sweet potatoes? ›

Sweet potatoes in storage are commonly infected with the bread mold fungus, which causes a watery soft rot of part or all of the tuber. The fungus may be seen as a fluffy, white growth, with black dots supported on threads.

How do you fix a watery casserole? ›

10 Tips To Fix Or Prevent Watery Casseroles
  1. Prep Vegetables Ahead Of Time. Vegetables boiling on a stove - Solstock/Getty Images. ...
  2. Add A Starch. ...
  3. Experiment With Pasta Or Grains. ...
  4. Take The Lid Off. ...
  5. Drain Fat From Meat. ...
  6. Choose A Dry Or Low-Fat Cheese. ...
  7. Sprinkle Seeds Into Your Bake. ...
  8. Remove Excess Liquid.
Oct 29, 2023

How do you make a casserole less liquidy? ›

Make a cornstarch slurry for a fast and easy thickener.

A few minutes before your casserole is done, add it a little at a time until you are happy with the thickness. Then, let the casserole finish baking. You can also substitute chickpea flour for cornstarch. Chickpea flour is an excellent thickener for savory dishes.

How do you remove excess water from sweet potatoes? ›

Completely dry the sweet potatoes with a tea towel or paper towel. Before starting to peel, let the potatoes sit on a towel, so it absorbs the excess water.

Is sweet potato casserole supposed to be watery? ›

If your sweet potato casserole turned out “watery”, its usually because you forgot to add eggs; you didn't let your casserole have enough time to set up after baking or you used fresh sweet potatoes and didn't boil them long enough before mashing.

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