Sweet Potato Casserole with Marshmallow Fluff

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We love this sweet potato casserole! It’s topped with homemade toasted marshmallow fluff and the sweet potatoes are baked rather than boiled making it an easy sweet potato casserole recipe!

Sweet potato casserole with marshmallow fluff.

This dish is a staple at our Thanksgiving table! What I love about this recipe is that the sweet potatoes are baked rather than boiled. This eliminates having to peel, chop and boil!

Furthermore, when sweet potatoes are baked they become even sweeter! It also makes mashing so much easier. It’s just easier all around!

Overhead of sweet potato casserole with marshmallow fluff and a napkin that reads Thankful.

We’ve always topped ours with marshmallows growing up, but I love nothing more than spreading a fluffy, homemade marshmallow fluff over the top! Torch it with a kitchen torch and it not only looks gorgeous but tastes even better!

You can also use marshmallows too! Simply add an even layer of marshmallow over the top of the sweet potatoes (once the casserole is done) and place in the oven for 5-10 minutes until the marshmallows are gooey and toasted!

Toasted marshmallow on a sweet potato casserole recipe

Make the marshmallow fluff a few days before and store it in the refrigerator. One less thing to make on Thanksgiving day!

How to Make Sweet Potatoe Casserole

This casserole is made with only 5 ingredients!

Ingredients

  • Sweet Potatoes
  • Brown Sugar
  • Butter
  • Heavy Cream
  • Salt
Five sweet potatoes lines up in a row on a marble table.

Directions

How to Bake a Sweet Potato

Preheat the oven to 425-degrees Fahrenheit

Rinse and pat dry the potatoes.

Line a baking sheet with foil and place the potatoes on the foil to bake.

Five sweet potatoes on a baking sheet lined with foil.

Bake until tender for about 50 minutes. You want them to be extra soft.

baked sweet potatoes on tinfoil.

Cut them open and scoop out the sweet potato and place in a bowl, leaving the skin behind.

Scooping out the inside of a sweet potato to make a sweet potato casserole.

Mash the sweet potatoes with butter, sugar, salt, and heavy cream while they’re hot.

Mashed sweet potatoes with brown sugar and butter.

Mash until the texture is smooth or how you like it. Also, make sure to taste test! Add more salt or more sugar depending on what you like.

How to Mash Potatoes

If you don’t have a potato masher, use a fork to get them as smooth as possible. If you want them really smooth add them to a food processor.

We don’t like them too smooth though as the texture is nice for a casserole.

Mashed sweet potatoes with butter

Add More Flavors to the Sweet Potatoe Casserole!

You can even add in a splash of bourbon or any liquor to give the sweet potatoes an extra kick! Spices like cinnamon and nutmeg are also great in a sweet potato casserole.

Furthermore, top the casserole with walnuts or pecans to give it a crunch.

Sweet potato casserole in a baking dish.

Spread the mashed sweet potatoes into a casserole dish. If you’re serving that day, top with marshmallow fluff. If you’re waiting a few days, wrap them tightly and store in the refrigerator or freezer.

Marshmallow fluff topping being spread over mashed sweet potatoes

Spread the homemade marshmallow fluff over the mashed sweet potatoes.

Kitchen torch making marshmallow topping toasty

Using a kitchen torch, torch the marshmallow fluff until it’s toasty!

Toasted marshmallow fluff on sweet potato casserole.

Frequently Asked Questions

Can a sweet potato casserole be frozen?

Yes! To freeze, store in an airtight container for up to 3 months. It’s best to wait to put the marshmallow topping on before freezing. The marshmallow topping should go on before serving.

Is sweet potato casserole a dessert or side dish?

Sweet potato casserole with marshmallow fluff.

It’s usually a side dish at Thanksgiving. However, the ingredients are very similar to a pie but without the pie crust so it can also be a dessert!

How long can you keep sweet potato casserole in the fridge?

Sweet potato casserole will stay good in the refrigerator for three to five days. This is with a marshmallow topping too. After five days we always discard the sweet potatoes.

More Thanksgiving Recipes You’ll Love!

Creamy Garlic Brussels Sprouts

How to Cook a Turkey – Step by Step Guide

Easy Cornbread Muffins

Thanksgiving Appetizer Platter

The Best Stuffing Recipe

Easy Cranberry Sauce

Let us know if you make this recipe! Please leave a review and comment below. Also, tag your photos @sugarandcharm on social!

Sweet Potato Casserole with Homemade Marshmallow Fluff

An easy recipe for sweet potato casserole with baked sweet potatoes and whipped marshmallow fluff!
4.12 from 9 votes
Print Pin Rate
Course: Side Dish
Cuisine: American
Prep Time: 5 minutes
Cook Time: 45 minutes
10 minutes
Total Time: 1 hour
Servings: 6 people
Calories: 398kcal
Author: Eden

Ingredients

Sweet Potato Casserole

  • 5 large sweet potatoes , washed and pat dry
  • 1/2 cup brown sugar
  • 1/4 cup salted butter
  • 1/2 tsp salt
  • 2 tbsp heavy cream

Instructions

  • Preheat the oven to 425-degrees Fahrenheit
  • Rinse and pat dry the potatoes.
  • Line a baking sheet with foil and place the potatoes on the foil to bake.
  • Bake until tender for about 50 minutes. You want them to be extra soft. 
  • Cut them open and scoop out the sweet potato and place in a bowl, leaving the skin behind. 
  • Mash the sweet potatoes with butter, sugar, salt, and heavy cream while they’re hot. 
  • Mash until the texture is smooth or how you like it.
  • Spread the mashed sweet potatoes into a casserole dish.
  • Spread the homemade marshmallow fluff over the mashed sweet potatoes. 
  • Using a kitchen torch, torch the marshmallow fluff until it’s toasty! 

Notes

You can also use marshmallows for this recipe. Simply add an even layer of marshmallow over the top of the sweet potatoes (once the casserole is done) and place in a 350-degree oven for 5 minutes until the marshmallows are gooey and toasted!
This would replace the marshmallow fluff but still just as delicious! 

Nutrition

Calories: 398kcal | Carbohydrates: 75g | Protein: 5g | Fat: 10g | Saturated Fat: 6g | Cholesterol: 27mg | Sodium: 424mg | Potassium: 979mg | Fiber: 9g | Sugar: 30g | Vitamin A: 40506IU | Vitamin C: 7mg | Calcium: 106mg | Iron: 2mg
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4 thoughts on “Sweet Potato Casserole with Marshmallow Fluff”

  1. 5 stars
    Oh. My. Gosh! This is gorgeous! The result looks so powerful. I’m a fan of the marshmallow topping but I’ve never even thought of the combination of sweet potatoes with marshmallows. I believe the taste of this sweet potato casserole is just phenomenal. I’m so inspired. Thank you SO MUCH for sharing this brilliant idea and all of your useful recommendations. Such treasure. This made my day. I’m so lucky to have discovered your wonderful blog. Gonna browse it to explore more amazing recipes.

    Best wishes,
    Ann

    Reply

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