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There’s something magical about a warm, creamy, and fluffy Sweet Potato Casserole With Marshmallows that instantly brings back the joy of holidays and family gatherings. The golden-browned marshmallows on top, the velvety sweet potato filling underneath—it’s a dish that’s as comforting as a cozy blanket and as sweet as a hug from grandma.
Did you know that the tradition of adding marshmallows to sweet potatoes dates all the way back to the early 1900s as part of a marketing campaign by a marshmallow manufacturer? Strange but true—and surprisingly delicious. This iconic dish quickly became a Thanksgiving staple in many American homes, and now, it’s hard to imagine a holiday table without it.
What makes this dish so lovable? It’s the perfect mix of savory and sweet, soft and crunchy. And best of all? It’s super simple to make—even if you’re short on time. If you’ve already tried our Creamy Parmesan Italian Sausage Ditalini Soup or the Garlic Parmesan Chicken Pasta, you know we’re all about easy comfort food that wows.
Get ready to whip up a dish that’s crowd-pleasing, kid-approved, and effortlessly delicious!
What is Sweet Potato Casserole With Marshmallows?
Let’s be honest—Sweet Potato Casserole With Marshmallows sounds like a dessert pretending to be a side dish, right? But that’s part of its charm! It’s the dish that sneaks onto your plate next to turkey and stuffing but secretly wants to be the star of the show.
Sweet potatoes mashed with butter, brown sugar, a hint of cinnamon, and topped with gooey marshmallows—what’s not to love? The name might sound a bit long-winded, but just like they say, “The way to a man’s heart is through his stomach.” One bite of this and you’ll win hearts all around.
Whether you’re hosting a holiday dinner or just craving comfort food on a random Tuesday, this recipe is your golden ticket.
Why You’ll Love This Sweet Potato Casserole With Marshmallows
1. Creamy, Sweet, and Perfectly Toasted
The main event here is that soft, creamy sweet potato base paired with those lightly browned marshmallows on top. It’s a dreamy balance of texture and taste—smooth, rich, and just the right amount of sweet.
2. Easy on the Wallet
You don’t need fancy ingredients to create a holiday classic. Sweet potatoes, pantry staples, and a bag of marshmallows are all you need. Making this at home not only saves money but tastes even better than store-bought or restaurant versions.
3. Customizable and Crowd-Friendly
Want to add pecans for some crunch? Go for it. Prefer maple syrup over brown sugar? That works too! This recipe is incredibly flexible and feeds a crowd with ease.
Tried our Tater Tot Casserole before? This dish brings the same cozy vibes—with a touch of sweet nostalgia.
Now it’s your turn to make the magic happen!
How to Make Sweet Potato Casserole With Marshmallows
Quick Overview
This recipe is easy, quick, and oh-so-satisfying. With just 15 minutes of prep time and a simple bake, you’ll be ready to serve up a holiday favorite that tastes like it took hours. Expect creamy sweet potatoes with a golden, toasted marshmallow topping that’s a guaranteed crowd-pleaser.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
Key Ingredients for Sweet Potato Casserole With Marshmallows
| Ingredient | Quantity | Notes |
|---|---|---|
| Sweet potatoes | 3 lbs (about 4-5) | Peeled and cubed |
| Unsalted butter | 1/2 cup | Softened |
| Brown sugar | 1/2 cup | Light or dark |
| Milk | 1/3 cup | Any type |
| Eggs | 2 | Beaten |
| Vanilla extract | 1 tsp | Adds warm flavor |
| Cinnamon | 1/2 tsp | Optional but recommended |
| Salt | 1/2 tsp | Balances the sweetness |
| Mini marshmallows | 2 cups | For topping |
Step-by-Step Instructions
- Cook the Sweet Potatoes: Place peeled and cubed sweet potatoes in a large pot. Cover with water and bring to a boil. Cook until fork-tender (about 15 minutes). Drain and transfer to a large mixing bowl.
- Mash & Mix: Mash the potatoes until smooth. Add butter, brown sugar, milk, eggs, vanilla, cinnamon, and salt. Mix until well combined and creamy.
- Assemble: Preheat your oven to 350°F (175°C). Transfer the sweet potato mixture to a greased 9×13-inch baking dish and smooth the top.
- Add the Marshmallows: Sprinkle mini marshmallows evenly over the top.
- Bake: Bake for 25–30 minutes, or until the marshmallows are golden brown and the casserole is heated through.
- Serve & Enjoy: Let it cool for 5–10 minutes before serving. The topping will set slightly, making it easier to dish up.
“If the marshmallows start to brown too quickly, loosely cover with foil and continue baking.”
What to Serve Sweet Potato Casserole With Marshmallows With
- Roast Turkey.
- Cranberry Sauce or compote
- Green Bean Almondine
- Stuffing or Dressing
- Creamy Parmesan Ditalini Soup.
- Dinner Rolls with whipped honey butter
Top Tips for Perfecting Sweet Potato Casserole With Marshmallows
- Roast Instead of Boil: For deeper flavor, roast your sweet potatoes at 400°F for 45 minutes until tender.
- Don’t Overmix: Overmixing can make the casserole gluey. Mix until just combined.
- Add a Crunchy Topping: Mix pecans, flour, butter, and brown sugar for a streusel-like layer under the marshmallows.
- Make Ahead: Prep the sweet potato mixture a day ahead and store in the fridge. Add marshmallows right before baking.
Storing and Reheating Tips
| Storage Method | Instructions | Lasts For |
| Fridge | Store in airtight container | Up to 4 days |
| Freezer | Freeze without marshmallows. Add after reheating | Up to 1 month |
| Reheating | Bake at 350°F for 20 minutes or until warm |
“Tip: Add fresh marshmallows before reheating for the best texture.”
Explore More Comfort Recipes:
- Garlic Bread Sloppy Joes
- One Pan Creamy Parmesan Chicken Rice
- Peanut Butter Oatmeal Cookies
- Sticky Sesame Cauliflower
Sweet Potato Casserole With Marshmallows
Ingredients
- 4 cups mashed sweet potatoes about 3–4 large sweet potatoes
- ½ cup granulated sugar
- 2 large eggs
- ½ cup milk
- ¼ cup unsalted butter melted
- 1 tsp vanilla extract
- ½ tsp ground cinnamon
- ¼ tsp salt
- 2 cups mini marshmallows
Instructions
- Preheat the oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish with butter or non-stick spray to prevent sticking.
- In a large mixing bowl, mash the cooked sweet potatoes until smooth and lump-free. You can use a potato masher or hand mixer for extra creaminess.
- Add in the sugar, eggs, milk, melted butter, vanilla extract, ground cinnamon, and salt. Mix well until everything is fully incorporated and the mixture becomes creamy and silky.
- Pour the sweet potato mixture into the greased baking dish. Use a spatula to smooth the top evenly so it bakes uniformly.
- Generously sprinkle mini marshmallows over the top of the sweet potato base, covering it fully for that golden, gooey topping.
- Bake uncovered for 25–30 minutes, or until the marshmallows are beautifully golden brown and slightly crispy, and the casserole is heated through.
- Let it rest for 5 minutes before serving. The marshmallows will firm up slightly while still being soft and melty. Serve warm and enjoy the creamy-sweet, fluffy perfection!
FAQ
1. When to add marshmallows to sweet potato casserole?
Add them during the last 20–30 minutes of baking so they melt and brown perfectly without burning.
2. Why do people put marshmallows on sweet potato casserole?
Because it’s delicious! But also, it adds a sweet contrast to the savory-sweet potato base.
3. Why does sweet potato casserole get watery?
Usually from overcooking or not draining the sweet potatoes well. Be sure to mash and mix without excess liquid.
4. What enhances the flavor of sweet potatoes?
Cinnamon, nutmeg, vanilla, maple syrup, and even orange zest can add warmth and brightness.
5. Is it better to bake or boil sweet potatoes for casserole?
Boiling is quicker, but baking brings out a deeper sweetness and richer flavor.
6. How long do marshmallows take to brown in the oven?
About 8–10 minutes under a hot oven. Keep a close eye to avoid burning.
7. What does Patti Labelle put in her sweet potato pie?
She uses mashed sweet potatoes, sugar, cinnamon, nutmeg, and vanilla—just like a casserole, but in pie form!
8. Why add eggs to sweet potato casserole?
Eggs act as a binder and help create a fluffy texture that holds its shape beautifully.
Ready to impress your family or guests? This Sweet Potato Casserole With Marshmallows is easy, nostalgic, and downright irresistible. Bake it once, and it might just become your new tradition.