There’s something undeniably magical about a Sweet Potato Casserole with Marshmallows. Imagine a velvety smooth blend of sweet potatoes, buttery goodness, and toasted marshmallows that creates a delightful contrast in flavors. Just the thought of it evokes warm memories of family gatherings, where laughter and the sweet aroma of baked goods fill the air.
Every holiday season, I find myself diving headfirst into this sweet potato masterpiece. It’s not just a dish; it’s an experience that brings everyone together around the table, fighting over the last scoop while proclaiming their undying love for marshmallows. Whether it’s Thanksgiving or just a cozy fall evening, this casserole is bound to steal the spotlight.
Why You'll Love This Recipe
- This Sweet Potato Casserole with Marshmallows is a breeze to make and perfect for any occasion
- Its flavor profile balances sweetness and creaminess beautifully
- The bright colors make it visually appealing on any table setting
- Plus, it’s versatile enough to be enjoyed as a side dish or even dessert
I still remember the first time I made this casserole; my mom practically wept with joy when she took her first bite. Her eyes lit up like fireworks on the Fourth of July.

Essential Ingredients
Here’s what you’ll need to make this delicious dish:
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Sweet Potatoes: Look for firm, unblemished potatoes for that perfect creamy texture once cooked.
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Butter: Use unsalted butter to control the saltiness; it adds richness to your casserole.
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Brown Sugar: The key ingredient for sweetness; dark brown sugar offers more depth than light.
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Eggs: Helps bind everything together while adding a bit of fluffiness once baked.
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Vanilla Extract: A splash enhances the overall flavor profile beautifully.
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Marshmallows: Mini marshmallows work best for an even toast and gooey sweetness on top.
The full ingredients list, including measurements, is provided in the recipe card directly below.
Let’s Make it Together
Prepare Your Sweet Potatoes: Start by peeling and chopping 4-5 medium sweet potatoes into chunks. Boil them in salted water for about 15-20 minutes until fork-tender.
Mash and Mix: Drain the sweet potatoes and return them to the pot. Add 1/4 cup of butter, 1/2 cup of brown sugar, and 2 eggs. Mash until smooth and creamy.
Add Flavor Enhancers: Stir in 1 teaspoon of vanilla extract and mix well until combined. The aroma will make you wish you could eat it raw!
Transfer to Baking Dish: Pour the mixture into a greased 9×13-inch baking dish, spreading evenly with a spatula for perfect baking results.
Topping Time!: Sprinkle mini marshmallows generously over the top layer; they’ll melt into sweet oblivion as they bake.
Bake Away!: Preheat your oven to 350°F (175°C). Bake your casserole for about 25-30 minutes until bubbly and golden brown on top.
This Sweet Potato Casserole with Marshmallows is more than just food; it’s nostalgia served in a dish, ready to warm hearts and bellies alike! Enjoy every last bite!
You Must Know
- Sweet Potato Casserole with Marshmallows is not just a dish; it’s a comforting hug on a plate
- The creamy texture paired with the crispy marshmallow topping creates a delightful contrast that makes every bite heavenly
Perfecting the Cooking Process
Start by boiling the sweet potatoes until tender, then mash them smooth. While they cool, mix your toppings to save time and ensure everything comes together efficiently.

Add Your Touch
Feel free to swap sweet potatoes for butternut squash or add spices like cinnamon or nutmeg to enhance the sweetness. Personalizing your casserole can elevate flavors that suit your palate.
Storing & Reheating
Store leftover Sweet Potato Casserole with Marshmallows in an airtight container in the fridge for up to five days. Reheat in the oven at 350°F for about 20 minutes, until warm.
Chef's Helpful Tips
- For perfect results, use fresh sweet potatoes; frozen ones may lead to a watery casserole
- Don’t rush the mashing process—smoothness is key!
- Lastly, watch the marshmallows closely while broiling; they can go from golden to charred quickly
Sweet Potato Casserole with Marshmallows brings back memories of family gatherings where everyone fought over who got the last scoop. It’s a cherished dish that always warms my heart.

FAQ
Can I make Sweet Potato Casserole with Marshmallows ahead of time?
Yes, you can prepare it a day in advance and bake it just before serving.
What type of sweet potatoes should I use?
Use fresh, firm sweet potatoes for the best flavor and texture in your casserole.
Can I substitute marshmallows with something else?
Yes, try using pecans or crushed graham crackers for a different crunchy topping.

Sweet Potato Casserole with Marshmallows
- Total Time: 45 minutes
- Yield: Serves about 8 people 1x
Description
Sweet Potato Casserole with Marshmallows is a heartwarming dish that blends velvety sweet potatoes with rich butter and sugary marshmallows. Perfect for holiday gatherings or cozy family dinners, this casserole offers a delightful contrast of flavors and textures, making it a beloved favorite. It’s easy to prepare, visually appealing, and guaranteed to steal the spotlight on any table.
Ingredients
- 4 medium sweet potatoes (about 1.5 lbs), peeled and chopped
- 1/4 cup unsalted butter
- 1/2 cup dark brown sugar
- 2 large eggs
- 1 tsp vanilla extract
- 2 cups mini marshmallows
Instructions
- Boil sweet potatoes in salted water for 15-20 minutes until fork-tender. Drain.
- In the pot, mash sweet potatoes and mix in butter, brown sugar, and eggs until smooth.
- Stir in vanilla extract and mix well.
- Transfer mixture to a greased 9×13-inch baking dish.
- Top with mini marshmallows.
- Bake at 350°F (175°C) for 25-30 minutes until bubbly and golden.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1/2 cup (120g)
- Calories: 210
- Sugar: 26g
- Sodium: 90mg
- Fat: 7g
- Saturated Fat: 4g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 34g
- Fiber: 4g
- Protein: 2g
- Cholesterol: 70mg

