Vibrant sweet potato casserole topped with perfectly toasted marshmallows, close-up, golden brown, cozy lighting, holiday feel

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sweet potato casserole: toasted marshmallow dream

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GuideMyRecipe

Published:

06 Feb 2026

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You know, sometimes, there are just those dishes that bring back a flood of memories, right? For me, sweet potato casserole with those golden, billowy clouds of toasted marshmallow topping is that dish. I remember my Aunt Carol, bless her heart, always bringing her famous version to Thanksgiving. The moment it hit the table, it was like a silent race to see who could get to it first. Kids, adults, everyone’s eyes lit up. I swear, the aroma alone could make you forget all your worries. It wasn't just a side dish; it was a centerpiece, a conversation starter, and honestly, the reason many of us secretly looked forward to the holiday season. The first time I tried to make it myself, I was, let's just say, a little ambitious. I almost set off the smoke detector trying to get those marshmallows perfectly golden, not charred! My friend, Sarah, who's a fantastic baker, just laughed and said, 'It's all part of the learning curve, sweetie!' And she was so right. Now, after years of practice and a few minor kitchen mishaps (which, trust me, make for the best stories later!), I’ve got this recipe down to a science. It's the kind of comfort food that wraps you in a warm hug, even on the coldest days. What does comfort mean to you when you think about food? For many, it's something familiar, something that evokes a sense of home and happiness. This casserole? It ticks every single one of those boxes, and then some.
Warm, inviting kitchen scene with a sweet potato casserole dish on a rustic wooden table, surrounded by autumn decor
What makes this sweet potato casserole truly special? It’s that exquisite dance between the creamy, subtly sweet sweet potato base and the gloriously gooey, slightly caramelized marshmallow topping. We’re not just mashing some potatoes here; we’re creating a velvety smooth foundation, seasoned just right to complement, not overpower, the natural sweetness of the yams. I've seen some recipes that add a bunch of brown sugar to the potato mix, but I prefer to let the sweet potatoes shine, with just a hint of maple syrup or a touch of honey. This gives it a more sophisticated, less cloyingly sweet profile, which I think is just divine. The key, for me, is ensuring the sweet potatoes are cooked until they're incredibly tender – almost falling apart – so they mash up beautifully without any lumps. No one wants a lumpy casserole, am I right? And then, oh my goodness, those marshmallows! The way they puff up and turn that beautiful golden-brown under the broiler, creating a delicate crust that yields to a molten, sugary cloud... it’s pure magic. It adds not just sweetness, but also a fantastic textural contrast that takes this dish from 'good' to 'out-of-this-world' in a single bite. This isn't just a side dish; it's practically dessert, making it a double win in my book!
Close-up of fluffy mashed sweet potatoes being mixed with butter and spices in a large mixing bowl
Now, you might be thinking, 'Marshmallows? Really?' And to that, I say, absolutely! But for those who are a little hesitant, or perhaps want to add another layer of texture, consider a pecan streusel topping instead of, or even with, the marshmallows for the last few minutes of baking. A little crunch from toasted pecans, combined with a hint of cinnamon and brown sugar, can be a revelation. My cousin once convinced me to try it her way, and honestly, it was a game-changer. I usually stick to the classic marshmallows because of the nostalgic factor, but hey, options are good! And a little tip from my own kitchen blunders: always, always keep a close eye on those marshmallows when they're under the broiler. They go from perfectly toasted to charcoal in about ten seconds flat. Seriously, don't walk away! This casserole is incredibly versatile too. While it's a staple for holiday feasts, I've served it at regular Sunday dinners, potlucks, and even just as a comforting treat on a chilly evening. It’s always a crowd-pleaser and never fails to disappear quickly. So, if you're looking for a dish that brings comfort, joy, and a little bit of that old-fashioned holiday cheer to your table, this sweet potato casserole is your ticket. Get ready to bake up some serious smiles, because trust me, this one's a keeper.
Sweet potato casserole in a baking dish, before marshmallows are added, ready for the oven

Required Equipments

  • Large pot or Dutch oven
  • Vegetable peeler
  • Cutting board
  • Sharp knife
  • Colander
  • Large mixing bowl
  • Potato masher or electric mixer
  • Measuring cups and spoons
  • Spatula
  • 9x13-inch baking dish
  • Aluminum foil

Sweet Potato Casserole: Toasted Marshmallow Dream: Frequently Asked Questions

Sweet Potato Casserole: Toasted Marshmallow Dream

Indulge in this comforting sweet potato casserole recipe, featuring a creamy, subtly spiced base crowned with golden, billowy clouds of toasted marshmallow. A perfect festive side dish or a cozy treat for any occasion.

⏳ Yield & Time

Yield: 6 servings

Preparation Time: 25 minutes

Cook Time: 40 minutes

Total Time:

🍽 Ingredients

📖 Instructions

  1. Choose Your Sweet Potatoes Wisely: Start by selecting 3 pounds of firm, unblemished sweet potatoes. Jewel or Garnet varieties work wonderfully here because of their vibrant orange color and naturally sweet flavor. Wash them thoroughly under cold running water to remove any dirt.
  2. Peel and Chop: Using a vegetable peeler, carefully remove the skin from each sweet potato. Once peeled, chop them into roughly 1-inch cubes. Try to make them as uniform in size as possible. This ensures they cook evenly. Uneven pieces might mean some are mushy while others are still a bit firm.
  3. Boil Until Tender: Place the sweet potato cubes into a large pot and cover them with cold water by about an inch. Add a pinch of salt to the water – this helps season the potatoes from the inside out. Bring the water to a rolling boil over medium-high heat, then reduce the heat to a simmer. Cook for about 15-20 minutes, or until the sweet potatoes are incredibly fork-tender. You should be able to easily pierce them with a fork with little to no resistance.
  4. Drain and Mash: Once cooked, carefully drain the sweet potatoes in a colander. Let them sit for a minute or two to allow any excess water to steam off. This is a crucial step! Too much water will result in a watery casserole. Transfer the hot, drained sweet potatoes to a large mixing bowl.
  5. Add Flavor and Creaminess: To the warm sweet potatoes, add 1/2 cup (1 stick) of unsalted butter, cut into pieces, 1/4 cup of heavy cream, 1/4 cup of maple syrup (or brown sugar, if you prefer), 1 teaspoon of vanilla extract, 1/2 teaspoon of ground cinnamon, and a tiny pinch of nutmeg. Now, mash away! You can use a potato masher for a slightly rustic texture, or an electric mixer on low speed for a super smooth, velvety consistency. Mash until there are no lumps and the mixture is well combined and creamy.
  6. Season to Perfection: Taste the mashed sweet potato mixture. This is your chance to adjust the seasonings! Do you want it a little sweeter? Add another tablespoon of maple syrup. A bit more spice? A dash more cinnamon or nutmeg. A tiny pinch of salt can also really bring out the sweetness. You’re aiming for a balance that makes your taste buds sing. Remember, the marshmallows will add more sweetness later, so don't overdo it now.
  7. Prepare for Baking: Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish with butter or cooking spray. Spoon the mashed sweet potato mixture evenly into the prepared baking dish. Use a spatula to smooth out the top.
  8. Bake the Base: Cover the baking dish loosely with aluminum foil. Bake for 25-30 minutes, or until the casserole is heated through and slightly bubbling around the edges. This step ensures the sweet potatoes are wonderfully warm before the marshmallows are added.
  9. The Marshmallow Magic: Remove the casserole from the oven and take off the foil. Carefully arrange 4 cups of miniature marshmallows (or regular marshmallows, halved) evenly over the top of the hot sweet potato mixture. Make sure they cover the surface completely.
  10. Broil for Golden Perfection: Increase your oven temperature to BROIL. Place the casserole back into the oven, making sure it’s on the top rack, about 6-8 inches away from the broiler element. Broil for 2-4 minutes, keeping a *very* close eye on it! Marshmallows can go from perfectly golden to burnt in a matter of seconds. They're like little kitchen tricksters! You want them puffed up and beautifully toasted to a golden-brown hue. As soon as they hit that sweet spot, pull the dish out.
  11. Cool Slightly and Serve: Let the sweet potato casserole cool for about 5-10 minutes before serving. This allows the marshmallows to set slightly and prevents them from being too molten, though gooey is good! Serve warm, and prepare for rave reviews. Enjoy this delightful side dish, whether it’s for a holiday gathering or just a comforting weeknight meal.

📝 Notes

  • For a less sweet option, reduce the maple syrup or brown sugar by half.
  • Ensure sweet potatoes are well-drained to prevent a watery casserole.
  • Watch marshmallows carefully under the broiler as they brown quickly.

🍎 Nutrition

Calories: 350 kcal

Protein: 4 g

Fat: 13 g

Carbohydrates: 55 g

Fiber: 5 g

Calcium: 40 mg

Some recipes are more than just food; they're warm hugs in a dish, especially when marshmallows are involved.

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