★★★★★

Sweet Potato Casserole with Marshmallows Recipe

Savory and Sweet combine in this flavorful Sweet Potato Casserole topped with a soft marshmallow topping! Add this classic recipe to your holiday table today!

Served up with some Green Bean Casserole (made in the Instant Pot) and a bowl of homemade cranberry sauce, you’re family is going to rave over your Thanksgiving side dishes!

Sweet Potato Casserole dish with toasted marshmallow on top

Why this Recipe Works

Nothing divides a country more than the choice of topping on your Sweet Potato Casserole.

Or maybe, I should say, nothing divides a family!

Ha, I wasn’t getting too serious, but let’s talk about it.

Do you like a crunchy pecan topping or a marshmallow topping on your sweet potato casserole? (I’m not even going to ask about mashed or chunked sweet potatoes…that a whole ‘nother can of worms)!

I honestly love it both ways. Or without. Or even just baked sweet potatoes.

Clearly I love food and am not picky. 

But today’s Sweet Potato Casserole is topped with the good stuff! Soft and sweet, pillowy marshmallow topping.

And y’all know I love me some marshmallows (Rice Krispy Treats are my favorite dessert)!

FYI. You could use this delicious Ruth’s Chris Sweet Potato Casserole recipe for the streusel topping and add marshmallows. No reason you can’t combine them BOTH!

Make a new tradition this year and serve up a big bowl of this tasty Sweet Potato Casserole with Marshmallows!

Step by Step Instructions

Step by Step photo instructions to make sweet potato casserole with marshmallows

STEP 1. Start with cooked sweet potatoes.

STEP 2. Add brown sugar, salt, vanilla, eggs, and melted butter.

STEP 3. I like to use an electric mixer on low speed to mash them, but you could use a hand masher for a rustic texture, or a food processor for a smoother texture.

If you beat them with the mixer, they will get a fluffier texture, so you decide what you prefer!

STEP 4. Transfer filling to a greased 2 qt baking dish.

STEP 5. Bake in a 350 degree F oven for 30 minutes. Remove from oven and sprinkle mini marshmallows on top.

STEP 6. Return to oven for 10 minutes, or until lightly browned.

Sweet potatoes on foil lined baking sheet.

How to Cook Sweet Potatoes

I prefer to bake them whole in the oven, then scoop out the soft sweet potato center. No peeling.

To do this, wash potatoes and poke with a fork. Place unpeeled sweet potatoes on baking sheet and bake in a 400 degree F oven for about an hour (place a piece of aluminum foil on the baking sheet for easy clean up)!

Once done, slice in half and scoop out center.

You could also boil the sweet potatoes. While this is a faster option, it’s more hands on. Don’t forget, for the boil option you’ll need to peel the potatoes first!

You can also cook your sweet potatoes in the Instant Pot!

Two plates with scoops of sweet potato casserole and marshmallow.

Recipe FAQs

Can Sweet Potato casserole be made ahead of time?

Sweet Potato Casserole recipe can be prepared up to 48 hours in advance by cooking and mashing the sweet potatoes and assembling the casserole as directed. Refrigerate until ready to bake before the meal.

Can I make Sweet Potato Casserole without Marshmallows?

Absolutely. Leave them off entirely and you can still enjoy sweet potato casserole without marshmallows.

Can I use dark brown sugar instead of light brown sugar in sweet potato casserole?

Dark brown and light brown sugar can be used interchangably in sweet potato casserole. I usually only have light brown sugar on hand.

Oval baking dish with sweet potato casserole topped with toasted marshmallows.

More Thanksgiving Side Dishes

This is the best sweet potato casserole recipe, but there are plenty of other sides that grace our holiday table.

Cheesy Hashbrown Casserole is a must have any holiday. I’m a big fan of the crunchy corn flake topping.

Of course, Green Bean Casserole with those crispy fried onions on top are a winner. Do you see a pattern with crunchy toppings?

Well, while we’re at it can we discuss this Ritz Mac and Cheese? So creamy, but baked to perfection (and again with a crunchy, buttery topping).

It would be a holiday without Mashed Potatoes. We love easy, baked mashed potatoes, but these loaded potatoes are amazing too!

No holiday is complete with a basked of Dinner Rolls. This is my favorite, easy recipe…no kneading required!

Well, now your oven is full, where will the turkey go? Have you tried my Crock Pot Turkey Breast recipe? I’ve even added in my favorite stuffing recipe!

Dinner plate with sweet potato casserole, green bean casserole, turkey and stuffing.

Easy Holiday Recipes:

PS. If you try this recipe, please leave a STAR rating in the recipe card below. I love your feedback! Connect with me on social media by following me on Instagram, Facebook, or Pinterest.

Yield: 8 servings

Sweet Potato Casserole with Marshmallows

Prep Time 10 minutes
Cook Time 40 minutes
Additional Time 1 hour
Total Time 1 hour 50 minutes

Tender, flavorful Sweet Potato Casserole topped with a soft marshmallow topping! Add this classic recipe to your holiday table today!

Ingredients

  • 4 large sweet potatoes
  • 1/2 cup light brown sugar, packed
  • 1 tsp kosher salt
  • 1 tsp vanilla extract
  • 2 large eggs
  • 1/2 cup unsalted butter, melted
  • 1 bag (10 oz) mini marshmallows

Instructions

  1. Cook sweet potatoes until soft, either in oven or boiling them (see notes below).
  2. Place peeled sweet potatoes in a mixing bowl and add brown sugar, salt, vanilla, eggs, and melted butter. Mix until well blended. Transfer filling to a greased 2 qt baking dish.
  3. Bake in a 350 degree F oven for 30 minutes. Remove from oven and sprinkle mini marshmallows on top. Return to oven for 10 minutes, or until lightly browned.

Notes

  • To bake sweet potatoes: Place unpeeled sweet potatoes on baking sheet and bake in a 400 degree F oven for about an hour (place a piece of aluminum foil on the baking sheet for easy clean up)! Once done, slice in half and scoop out center.
  • You could also boil the sweet potatoes. While this is a faster option, it's more hands on. Don't forget, for the boil option you'll need to peel the potatoes first!

Nutrition Information:

Yield:

8

Serving Size:

1

Amount Per Serving: Calories: 248Total Fat: 13gSaturated Fat: 8gTrans Fat: 0gUnsaturated Fat: 5gCholesterol: 77mgSodium: 346mgCarbohydrates: 31gFiber: 3gSugar: 18gProtein: 4g

*Nutrition facts are an estimate and not guaranteed to be accurate. Please see a registered dietitian for special diet advice.

Did you make this recipe?

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Tender, flavorful Sweet Potato Casserole topped with a soft marshmallow topping! Add this classic recipe to your holiday table today!

About Aimee

Aimee is a dessert lover (specifically rice krispie treats), workout enthusiast, self-taught foodie, and recipe creator.

Learn more about Aimee.

Affiliate Disclosure:**There may be affiliate links in this post! By clicking on them, or purchasing recommended items I may receive a small compensation. However, I only recommend products I love! Thank you for supporting Shugary Sweets! See my disclosure policy for more info**

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Posted on November 20, 2020

Comments & Reviews

  1. This was good. I used your idea of baking the potatoes. Instead of the orange fleshed ended up with sweet yellow potatoes which worked fine. Melted the butter with walnut oil for nuttier flave, with pinch of salt, and brown sugar, just chopped cooked taters with a fork, tossed with the butter mixture, topped with the marshmallows, baked, etc. was plenty sweet and left out the eggs and vanilla (IMO much better without).

    1. Yes, I did a combination of a 40 oz. can of Bruce’s and a couple of nice sized raw sweet potatoes. You absolutely do not need to peel the potatoes before you boil them because the peel slips off very easily once you cool them down with cold water. Put them together in a big bowl and mash away! I use cinnamon, nutmeg, allspice and a touch of ginger along with melted butter and brown sugar (I only had dark) which was fine! I also broke up about a cup of pecans with my fingers and added to the mixture. I cooked this for about 45 minutes on 350 degrees then took it out of the oven and covered the whole top with the big ‘s’mores (square) marshmallows and put it back in the oven for about 15 more minutes for them to become golden brown! They were absolutely delicious!!!

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