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Home » Side Dishes » Sweet Potato Casserole

Sweet Potato Casserole

Created: October 22, 2019 Updated: December 6, 2022 by lyuba 8 Comments

1.6K shares
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Sweet potato casserole is probably the most favorite holiday side dish. This classic dish is made with soft mashed sweet potato filling and crunchy pecan topping. Many people also prefer to make sweet potato casserole with marshmallow topping. Although we prefer the crunchy pecan topping, I’ve included directions for both types of topping. 

scooping out some sweet potato casserole from a pan.

The BEST Sweet Potato Side Dish

My husband always says that my sweet potato casserole rivals my sweet potato pie. I would have to agree with him because it’s not just the similar flavors of both dishes that we love, it’s also the fact that we can eat this sweet treat with the main meal. 

Sweet potato casserole adds a delicious touch of sweetness to the holiday plate. You get a little turkey, some stuffing, mashed potatoes, some green bean casserole, and some sweet potatoes on your plate. The combination of sweet and savory flavors is quite satisfying and bring nothing but comfort and joy.

But don’t just think that you have to wait for Thanksgiving and Christmas to have some. Since sweet potatoes are available year-round, this side dish will compliment any family dinner, any time of the year. 

top view of baked sweet potato casserole.

How To Make It With Pecan Topping:

For sweet potato casserole, it’s best to boil sweet potatoes rather than baking it. When sweet potatoes are baked, they retain and even release more of the natural sweetness. If you add sugar to bakes sweet potatoes, it would just be too sweet. (If you do happen to bake them, or have some leftover, use much less sugar in a casserole or omit it.)

Peel sweet potatoes and chop them into 4 pieces. Place sweet potato chunks into a pot and fill it with water, just enough to cover the potatoes. Bring water to boil and cook potatoes until fork-tender. Strain all the water out of the pot and let potatoes cool for a few minutes. (If you add egg to hot potatoes, you will end up with partially scrambled eggs.)

sweet potato chunks in water in a pot.
cooked sweet potatoes in a pot with butter and sugar.

Add butter, eggs, milk, brown sugar, and vanilla extract and mash it all together using a potato masher. I do not like using a mixer because it whips the potatoes and leaves it with a completely different texture. That’s why I recommend to mash sweet potatoes by hand, and get a little workout in a process. 

Grease a 9×9 casserole pan with some butter all over the bottom and up the sides. Spread potato mixture evenly in the pan.

sweet potato mixture spread in baking dish.
closeup sweet potato casserole in white dish.

For Pecan Topping:

Preheat the oven to 350°.

Combine flour, brown sugar, cinnamon, and chopped pecans in a mixing bowl and mix until all evenly incorporated. Pour in melted butter while stirring with a fork. Continue to cut and stir with a fork until coarse crumbs form. The topping should look like crumbs, not paste. 

Spread the pecan topping over sweet potatoes evenly and bake the casserole for 40-45 minutes.

Make It With A Marshmallow Topping:

Marshmallows make a beautiful presentation and a tasty, creamy addition to the casserole. You can choose to add marshmallows on top of the crunchy pecan topping or just stick to pecan and marshmallows.

Either way, wait to add the marshmallows until the last 10 or so minutes of baking.

I’ve made a mistake of trying to bake the marshmallows at the same time as the whole casserole…but only the one time. Marshmallows will get over-done within 15 minutes or so and the casserole needs it’s time to completely cook through because of the raw eggs. So it’s important to wait to add the marshmallows. 

Follow the same instructions to make the sweet potato mixture as above through the step of spreading the mixture in the greased casserole pan.

You can either make the pecan crunch topping as above or simply spread a cup and a half of chopped pecans over the sweet potatoes and bake it for about 30 minutes. Take the casserole out and spread marshmallows over the top. If you want to get super creative, sprinkle a little bit of coarse salt on top and a few more pecans as well. Bake for another 10-15 minutes, until the marshmallows are golden brown.

sweet potato casserole with marshmallow topping.

Make Ahead Suggestions:

Absolutely! It’s very easy to make the casserole ahead of time either part of the way of completely. 

Option 1: Prepare sweet potato filling and spread it in the casserole dish. Cover the dish air-tight with plastic wrap or aluminum foil and refrigerate until ready to bake. When ready, prepare the topping, spread it over the sweet potatoes and bake at 350° for about 45 minutes. 

Option 2: Casserole can also be completely baked and stored in the refrigerator. Bake the casserole as directed in the recipe and let it cool to room temperature. As soon as it’s cooled, cover it air-tight and store in the refrigerator. 

Reheating Sweet Potato Casserole

When ready to reheat the casserole, preheat the oven to 325° and take off all plastic wrap. Cover with aluminum foil and reheat for about 20 minutes. Take off the foil and finish reheating for another 10 minutes. 

scooping out some sweet potato casserole from the dish.

More Must-Have Thanksgiving Side Dishes

Mashed Potatoes

Hashbrown Casserole

Classic Stuffing

Cornbread Dressing

Green Bean Casserole

scooping out some sweet potato casserole from the dish.

Sweet Potato Casserole

Classic holiday side dish made with soft mashed sweet potato filling and crunchy pecan topping. (Recipe also includes marshmallow topping option.)
4.60 from 5 votes
Print Pin SaveSaved! Rate
Course: Side Dish
Cuisine: American
Keyword: sweer potato casserole, sweet potatoes, thanksgiving sides
Prep Time: 15 minutes
Cook Time: 1 hour
Total Time: 1 hour 15 minutes
Servings: 8
Calories: 635kcal
Author: lyuba

Ingredients

Sweet Potato Filling:

  • 2.5 lbs sweet potatoes
  • 6 tbsp butter chopped into pieces
  • 2 eggs
  • 1/4 cup whole milk
  • 1/4 cup brown sugar
  • 1 tsp salt more or less to taste
  • 1 tsp vanilla extract

Pecan Crunch Topping:

  • 1/2 cup all purpose flour
  • 1/2 cup brown sugar
  • 1 tsp cinnamon
  • 3/4 cup chopped pecans
  • 4 tbsp butter

Marshmallow Topping Option:

  • 1 1/2 cups pecan halves (or chopped) (or pecan topping from above)
  • 2 cups marshmallows
US Customary – Metric

Instructions

Sweet Potato Filling:

  • Peel sweet potatoes and chop them into 4 pieces. Place sweet potato chunks into a pot and fill it with water, just enough to cover the potatoes.
  • Bring water to boil and cook potatoes until fork-tender. Strain all the water out of the pot and let potatoes cool for a few minutes.
  • Add butter, eggs, milk, brown sugar, and vanilla extract and mash it all together using a potato masher.
  • Grease a 9×9 casserole pan with some butter all over the bottom and up the sides. Spread potato mixture evenly in the pan.
  • Preheat the oven to 350°.

Pecan Crunch Topping:

  • Combine flour, brown sugar, cinnamon, and chopped pecans in a mixing bowl and mix until all evenly incorporated.
  • Pour in melted butter while stirring with a fork. Continue to cut and stir with a fork until coarse crumbs form. The topping should look like crumbs, not paste.
  • Spread the pecan topping over sweet potatoes evenly and bake the casserole for 40-45 minutes. 

Marshmallow Topping Option:

  • For the marshmallow topping, you can choose to add marshmallows on top of the crunchy pecan topping or just stick to simple pecan and marshmallows.
  • Spread pecans (or pecan crunch topping) over the sweet potato filling and bake for about 30 minutes.
  • Take the casserole out and spread marshmallows over the top. (If you want to get super creative, sprinkle a little bit of coarse salt on top as well.)
  • Bake for another 10-15 minutes, until the marshmallows are golden brown.

Video

Notes

NOTE: nutrition is calculated for Sweet Potato Casserole with Pecan Crunch Topping. 

Nutrition

Calories: 635kcal | Carbohydrates: 75g | Protein: 8g | Fat: 36g | Saturated Fat: 11g | Polyunsaturated Fat: 7g | Monounsaturated Fat: 16g | Trans Fat: 1g | Cholesterol: 79mg | Sodium: 521mg | Potassium: 665mg | Fiber: 7g | Sugar: 38g | Vitamin A: 20636IU | Vitamin C: 4mg | Calcium: 104mg | Iron: 2mg
Tried this recipe?Mention @willcookforsmiles and tag #willcookforsmiles
collage of two images of sweet potato casserole with title.

LYUBA

ABOUT LYUBA

I’m Lyuba Brooke, mother of 2, the cook, recipe developer, photographer, and author behind willcookforsmiles.com. I share many classic and original recipes, cooking tips, and tutorials. My passion is sharing delicious meals for everyone to try. Read more...

1.6K shares

Filed Under: Christmas Dinner, Easter, Potatoes, Side Dishes, Thanksgiving

All images and text ©Lyubov Brooke for ©Will Cook For Smiles. Please do not use my images without prior permission. If using my posts in collections and features, please link back to this post for the recipe. Disclaimer: Nutrition information shown is not guaranteed to be 100% accurate as most ingredients and brands have variations.

Comments

  1. Barbara says

    November 27, 2019 at 10:35 am

    4 stars
    You mention butter twice in your directions, but no where do you mention amount and if it should be melted or warmed etc

    Reply
    • LyubaB says

      November 27, 2019 at 10:56 am

      Hi, Barbara! I did forget to add the amount of butter to the pecan crunch topping but it’s fixed now, its 4 tbsp. Thank you for letting me know!

      Reply
  2. Tracie says

    March 30, 2021 at 1:39 am

    5 stars
    This was so good! Thanks for the recipe!

    Reply
    • LyubaB says

      March 31, 2021 at 8:29 am

      Your so welcome, Tracie!

      Reply
  3. Karen says

    November 8, 2022 at 11:53 am

    How many cups does the 2.5 lb., sweet potatoes make? Have sweet potatoes but no way to figure out weight.

    Reply
    • LyubaB says

      November 8, 2022 at 2:31 pm

      Hey, Karen,

      I am not sure how many cups it would but I do know to get a pound of raw sweet potatoes you’ll need 2 large sweet potatoes, 3 medium sweet potatoes, or 4 small sweet potatoes so use that to measure how many you will need.

      Reply
  4. Tambra France says

    November 23, 2022 at 10:42 am

    Can you omit pecans (allergy) and just use the topping and marshmallows?

    Reply
    • LyubaB says

      November 23, 2022 at 11:58 pm

      Absolutely! I hope you enjoy it!

      Reply

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Well, hey there!

I’m Lyuba Brooke, mother of 2, the cook, recipe developer, photographer, and author behind willcookforsmiles.com. I share many classic and original recipes, cooking tips, and tutorials. My passion is sharing delicious meals for everyone to try. Read More.

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