Sweet potato casserole is the ultimate holiday side dish, a comforting, crowd-pleasing favorite that brings together the natural sweetness of sweet potatoes and a rich, buttery topping. Whether served at Thanksgiving, Christmas, or any family gathering, this dish is a guaranteed hit. The smooth, mashed sweet potatoes are elevated with a sweet, crunchy topping that adds both texture and flavor, making it the perfect complement to any savory main course.
The base of the casserole starts with mashed sweet potatoes, which can be either boiled or roasted to bring out their natural sweetness. After they’re softened, they’re mashed with butter, brown sugar, vanilla, and a hint of cinnamon, nutmeg, or even maple syrup for extra depth of flavor. The result is a creamy, velvety filling that’s both sweet and savory, with a rich texture that’s just the right amount of indulgent.
What makes this dish even more special is the topping. A classic sweet potato casserole topping often features a mix of crushed pecans, brown sugar, and a little butter, which bakes into a sweet, crunchy crust. Some versions use marshmallows for an extra layer of sweetness, toasty golden edges, and a chewy texture that contrasts perfectly with the creamy sweet potatoes underneath.
This dish is incredibly easy to prepare ahead of time, making it an ideal choice for a holiday meal or potluck. Once assembled, it can be stored in the refrigerator and baked just before serving, saving time on the big day. It also reheats well, so you can enjoy leftovers for days after the feast.
Sweet potato casserole is the perfect blend of comfort and elegance. The combination of creamy sweet potatoes and a crunchy topping offers the ideal balance of textures and flavors, making it a holiday essential that brings both warmth and joy to the table. Whether you’re preparing it for a special occasion or a weeknight dinner, it’s sure to become a family favorite.
While sweet potato casserole may be decadent in flavor, it also offers some nutritional value. Sweet potatoes are rich in vitamins A and C, fiber, and antioxidants. They are known to support eye health, boost the immune system, and promote healthy digestion. Additionally, the marshmallow topping can provide a sweet touch without overpowering the wholesome benefits of the sweet potatoes.
Whether you’re preparing a holiday feast or simply craving a comforting side dish, this sweet potato casserole with marshmallow topping is sure to be a hit. Its popularity and nutritional benefits make it an excellent choice for indulgence with a touch of guilt-free satisfaction.
Ingredients
- 4 cups sweet potatoes mashed
- 1/2 cup granulated sugar
- 2 eggs beaten
- 1/2 cup milk
- 1/4 cup butter melted
- 1 tsp vanilla extract
- 1/2 tsp salt
- 1/2 cup brown sugar packed
- 1/2 cup all-purpose flour
- 1/4 cup butter melted
- 1 cup mini marshmallows
Instructions
- Preheat oven to 350 degrees F (175 degrees C).
- In a large bowl, mix together mashed sweet potatoes, granulated sugar, eggs, milk, 1/4 cup melted butter, vanilla extract, and salt. Spread evenly in a 9x13 inch baking dish.
- In a separate bowl, mix together brown sugar, flour, and 1/4 cup melted butter until crumbly. Stir in mini marshmallows. Sprinkle mixture over sweet potato mixture.
- Bake for 30 to 40 minutes, or until topping is golden brown.
I only had 3 cups of sweet potatoes and used less sugar. It turned out fine, but maybe a bit undercooked. Next time, I’ll follow the recipe better.
Not bad, but I think it could use some cinnamon or nutmeg for flavor. Just a suggestion!
I totally agree! A little cinnamon would really make it pop! Gonna try that next time.
Cinnamon? Really? I thought this was sweet enough. Marshmallows already sweeten it a lot!
This was absolutely delicious! The sweet potatoes were so creamy and the marshmallows on top made it extra special. Will definitely make again!
Is this supposed to be a dessert? Sweet potato with marshmallows seems weird. My grandma would roll in her grave if she saw this!
Great recipe! I added a bit of nutmeg and a pinch of cayenne pepper for a twist. Everyone loved it!
Super easy to make! My kids loved it, even my picky eater! Thanks for sharing this recipe.
I didn’t realize you could mix sweet and savory like this. It’s different but kinda good. I’m confused though!
I don’t get why people put marshmallows on sweet potatoes. Too sweet for my taste. I prefer the savory recipes.
Yummm!!!
Mine came out kinda bland even though I used real vanilla. I think I mashed the sweet potatoes too smooth? Also I forgot to measure the salt right, so that’s on me.
I wanna make this but I’m allergic to eggs. Can I leave them out? Any suggestions?
Absolutely loved this recipe! It was a hit at our Thanksgiving dinner. The marshmallows on top are a game changer!
Made this for Thanksgiving and it was a hit—sweet, creamy filling with that crunchy, marshmallowy top. Followed the timing and it came out perfectly golden.
Oh nice! I love when the topping actually gets that golden crunch and not just melty. Definitely adding this to my Thanksgiving rotation—thanks for sharing!
I made something like this but mine turned kinda… soggy on top? 😅 I followed it though. Did you bake it uncovered the whole time or cover at all? Also, 30–40 minutes seems short—maybe my oven runs cool.
I don’t get the point of sweet potatoes with marshmallows. Too sweet for my taste.
I totally get you! The sweetness can be overwhelming. I prefer mine savory too, with just a bit of seasoning.
What? Sweet potatoes and marshmallows are like the best combo! It’s a classic dish, don’t knock it till you try it!
idk why people like it. I hate marshmallows on savory stuff. texture was blah for me.
I added a sprinkle of cinnamon, and it was fantastic! Made it for a potluck, and I had 0 leftovers.
Cinnamon?! That’s so smart! I never thought of that. I bet it adds a nice touch. Gonna try this next time!
Sounds good, but isn’t cinnamon a bit weird for a casserole? Like, isn’t that more for breakfast?
5 stars, easy peasy! But why the extra butter?!
I think the extra butter gives it a richer flavor! But if you’re concerned, you could cut down on it a bit. Still, delicious dish!
Honestly, just use one butter, who needs that much?! Sounds messed up to me. 😒
Looks good but kinda high calories, right? Gonna try it, kinda!
Yeah, it does seem a bit rich! But treats are worth the calories sometimes, right? Hope you enjoy it!
I thought this would be easier. Mine turned out all mushy. Not sure what went wrong.
Don’t worry! Mine turned out mushy too the first time. Maybe you overmixed the sweet potatoes? Just don’t give up! 🥰
I swear my grandma used to add pecans to this! What’s with the marshmallows?
Marshmallows are the best part! But I guess it depends on personal taste. Grandma’s version sounds good too!
Easy to make but kinda sweet for my taste. Maybe cut down the sugar next time. My grandma used to do it diffrent!
This is the best sweet potato casserole I’ve ever had! The marshmallows on top were a delightful surprise.
Meh, I don’t get why people like sweet potatoes. Didn’t enjoy this!
Way too sweet for my taste. Maybe I’ll cut the granulated sugar next time or reduce the brown sugar crumble.
Super easy recipe, but my family said it was too sweet. Might reduce the sugar next time.
Great recipe, but I didn’t have mini marshmallows so I used regular ones. Still turned out delish! 😋
Sweet potatoes never tasted so sweet! I’m not a big fan of sweet things, but this was good. Will make again!
Not gonna lie, I was skeptical about mixing flour into the topping, but it worked. Mine was a little dry after 40 minutes though; I’d pull it closer to 30 next time.
Yum! I swap out the brown sugar for honey and it was still good. Gonna try this for Thanksgiving!
Using honey instead of brown sugar sounds interesting! I bet it adds a nice flavor. Perfect for Thanksgiving!
Yum! Sweet and savory, what more can you ask for? Gotta love sweet potatoes!
Delicious! Easy to follow. My kids loved it! I’m surprised at how much they ate. Thanks for sharing.
My topping didn’t really get crunchy—more like soft and sticky. I wonder if I underbaked or if my marshmallows were too old.
Not gonna lie, I was skeptical about putting eggs and marshmallows together, but it actually worked. Texture was nice—like a cross between pie and stuffing (in a good way).
Okay but that actually sounds dangerously good 😅 The “pie/stuffing” texture description convinced me—was it more gooey or more fluffy after baking?
This casserole is soooo good! I made it for Thanksgiving and everyone loved it! Will definitely make again!
I can’t believe how good it turned out! Definitely a keeper for the holiday season!
I’m not sure about sweet potatos and marshmallows… like why would you mix them? Not my thing.
Sweet potatoes and marshmallows are actually a classic combo! The sweetness of the marshmallows pairs perfectly with the earthy flavor of the sweet potatoes. Give it a try before judging!
This couz of my friend he said was delish, but I didn’t try yet.
Tried it as written. Mine took closer to 45 min to get fully browned, but it still turned out great. Next time I might add a pinch more salt to balance the sweetness.
I forgot to add the eggs and it was still delicious!! Who knew!? 😂
Wow! That’s impressive! 😂 I sometimes forget ingredients too, but didn’t think it could still taste good. Guess I’ll have to try it without eggs next time!
That’s crazy! 🤔 But eggs are kinda important. How did you not notice the texture was off? I wouldn’t trust it without ’em.
It’s just okay. My mom’s recipe is way better lol.
Quick and easy!! Made it for Thanksgiving and everyone loved it! Not hard to make at all. 🙌
I followed the recipe perfectly, but it was a bit runny. Any tips?
I don’t understand what’s so great about sweet potatoes… They taste funny to me. Tried this recipe, but no thanks.
It came out too sweet for my taste. Maybe less sugar next time?
I don’t see the hype, honestly. It’s just mashed sweet potatoes with sugar, right? Not my favorite dish.
Followed the steps exactly and it baked evenly. The crumbly top with marshmallows is dangerously good—everyone went back for seconds.
Took way too long to bake! I think my oven is broken or something, because it was on for 50 minutes and still not done. 3 stars.
I had the same issue! My oven can be a pain too, sometimes it just takes longer for things to bake. Maybe check the temp with an oven thermometer?
50 minutes? That seems too long for this recipe. Maybe your oven runs cooler than it says? I’m not sure, but it happens to me a lot!
Sweet potatoes are so healthy! I feel like this dish is good for me.
I agree! Sweet potatoes are full of vitamins and fiber. This casserole sounds like a tasty way to enjoy them!
I don’t really understand why people put marshmallows in savory dishes. It’s strange. I think just plain sweet potatoes are better.
I get where you’re coming from! Marshmallows can be a bit odd in savory food. But trust me, they add a nice sweetness to the dish! It’s all about balance.
Not gonna lie, I was skeptical about adding flour to the topping, but it actually gives it a nice crumble. I’ll make it again.
This recipe is a lie! It says sweet potatoes but tastes more like cake. What even is this?
So simple and delicious! My kids even ate it without complaining! Definitely making this again!
Sweet potato casserole my fav. ❤️❤️❤️
So comforting! The topping gets that perfect golden crunch with the marshmallows. I used a little less sugar and it still tasted great.
I don’t know how this is a casserole???? It’s more like a pudding! 🤷♂️
I just dont get why yall add sugar to sweet potatoes? They are sweet enough without it!
Super easy recipe. Like dump, mix, bake. Even my brother who can’t cook anything made it without burning it (so, big win).
Too much sugar!!! My dentist is gonna hate me for this one! 😂
Haha, I know the feeling! But I think it’s worth it for that yummy taste! 😊
This casserole is to die for! The sweetness of the potatoes paired with the marshmallows is perfect. Definitely a hit at our family dinner!
I added nuts to mine, it was great! Highly recommend trying that! Full bellies here.
Idk… 350F seems low? I baked mine and the marshmallows kinda disappeared and the top looked brown but not really crisp. Tastes fine though.