
As the cool autumn breeze begins to swirl outside, I find myself longing for the comforting flavors of home and holiday gatherings. This Easy Sweet Potato Casserole is my go-to dish, a delightful blend of sweet, creamy goodness with a crown of golden, gooey marshmallows that not only satisfies the taste buds but also evokes warm memories of festive feasts.
The best part? This recipe is a breeze to whip up, making it perfect for those bustling holiday moments when time is of the essence. With just a few simple ingredients, you'll transform humble sweet potatoes into a visual and culinary showstopper that brings everybody to the table, eager for seconds. Whether it's gracing your Thanksgiving spread or simply elevating a cozy weeknight dinner, this casserole shines as a vegetarian-friendly comfort food that's bound to impress. Join me in crafting this heavenly dish, and let's turn this season into a celebration of flavor and togetherness!

Why is Easy Sweet Potato Casserole so beloved?
Comforting, this casserole brings warmth to your table, creating a cozy atmosphere reminiscent of holiday gatherings. Simple preparation means you can spend more time with loved ones, not in the kitchen. Versatile variations allow for creativity, whether you prefer classic flavors or want to try a unique twist. Visual appeal with its golden marshmallow topping makes it a showstopper at any meal. This dish is a must-try for anyone seeking a delicious, vegetarian-friendly comfort food option. Why not serve it alongside your favorite holiday roast or at a family dinner?
Easy Sweet Potato Casserole Ingredients
Here's everything you need to create your own Easy Sweet Potato Casserole.
For the Filling
- Sweet Potatoes - They provide the main flavor and creamy base; bake until tender for the best texture.
- Light Brown Sugar - Adds a caramelized sweetness; you can swap it with maple syrup for a more natural vibe.
- Butter - Creates a rich, creamy texture; feel free to use vegan butter for a dairy-free option.
- Vanilla Extract - Introduces a warm, inviting aroma; it's essential for that classic flavor.
- Cinnamon - Elevates the sweetness with warmth; try nutmeg for an extra burst of spice.
- Salt - Balances the overall flavor; don't skip this step!
- Nutmeg - Deepens the spiced filling flavor; use fresh grated if you can for maximum impact.
For the Topping
- Mini Marshmallows - The perfect sweet and gooey crown for your casserole; feel free to switch with toasted coconut if desired.
Unleash the delicious nostalgia of the season with these simple ingredients!
How to Make Easy Sweet Potato Casserole
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Prepare Sweet Potatoes: Peel and cut the sweet potatoes into chunks. Place them in a large pot, cover with water, and boil for about 20 minutes until tender. They should be soft enough to easily pierce with a fork.
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Mash Filling: Drain the sweet potatoes and return them to the saucepan. Using a potato masher or fork, mash the sweet potatoes until smooth and creamy, allowing any excess steam to escape.
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Mix Ingredients: Combine the mashed sweet potatoes with butter, light brown sugar, vanilla extract, cinnamon, salt, and nutmeg. Mix until all ingredients are well incorporated, resulting in a fluffy and flavorful filling.
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Prepare Baking Dish: Grease a 9x13-inch baking dish with butter or cooking spray for easy serving later and to prevent sticking.
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Assemble Casserole: Spread the sweet potato mixture evenly in the greased dish. Then, top generously with a layer of mini marshmallows, covering the filling completely for that gooey, golden finish.
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Bake: Bake your casserole in a preheated oven at 350°F for 25-35 minutes. Keep an eye on it towards the end to achieve a perfect golden-brown marshmallow topping without burning.
Optional: For added flavor, sprinkle crushed pecans on top before baking!
Exact quantities are listed in the recipe card below.

Expert Tips for Easy Sweet Potato Casserole
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Watch the Marshmallows: Keep a close eye on the casserole during the last few minutes of baking; marshmallows can go from golden to burnt quickly.
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Smooth Filling: Make sure to mash the sweet potatoes thoroughly to avoid lumps; a silky filling enhances the overall texture of your Easy Sweet Potato Casserole.
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Sugar Alternatives: Consider using dark brown sugar for a richer flavor; it adds a deeper sweetness that complements the dish beautifully.
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Perfectly Toasted: If you want an extra golden top, use the broiler for a few seconds after baking, but stay vigilant to prevent burning.
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Customize with Toppings: Feel free to experiment with toppings like pecans or a drizzle of caramel for added texture and flavor; make your casserole unique!
How to Store and Freeze Easy Sweet Potato Casserole
- Room Temperature: Serve the casserole immediately for the best taste; if left out, it can stay at room temperature for up to 2 hours.
- Fridge: Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven until warmed through for optimal texture.
- Freezer: To freeze, wrap the casserole tightly in plastic wrap and then aluminum foil. It will keep well for up to 2 months. Thaw overnight in the fridge before reheating.
- Reheating: When ready to enjoy, reheat the casserole in a preheated oven at 350°F for about 20 minutes, or until heated throughout, ensuring that the marshmallows regain their gooey goodness!
Make Ahead Options
These Easy Sweet Potato Casserole preparations are ideal for busy home cooks looking to save time during the holidays! You can prepare the sweet potato filling up to 24 hours in advance. Simply follow the initial steps to mash and mix the filling, then transfer it to your greased baking dish. Cover it tightly with plastic wrap or foil and refrigerate until you're ready to bake. On the day of serving, take it out and let it sit at room temperature for about 30 minutes before topping with marshmallows and baking. This way, you ensure a deliciously warm casserole that's just as delightful, ready to impress your guests while freeing up your holiday time!
What to Serve with Easy Sweet Potato Casserole?
Imagine a cozy gathering where the rich aroma of sweet potatoes mingles with the laughter of loved ones. This casserole is the perfect centerpiece, enticing warm conversations around the table.
- Roasted Turkey: The savory flavors of roasted turkey provide a delightful contrast to the sweet, creamy filling of the casserole.
- Honey Glazed Ham: This sweet and salty pairing perfectly complements the marshmallow topping, creating a heavenly flavor balance.
- Garlic Butter Green Beans: Fresh, vibrant green beans add a crisp texture and a burst of brightness, enhancing the casserole's richness.
- Cranberry Sauce: The tartness of cranberry sauce cuts through the sweetness, adding a refreshing zing that lifts the entire meal.
- Cornbread: A slice of warm cornbread adds a hearty, comforting element and is perfect for soaking up any delicious casserole remnants.
- Mixed Green Salad: A simple salad with a light vinaigrette introduces a refreshing crunch, balancing the creamy casserole.
- Apple Pie: For dessert, classic apple pie brings a touch of nostalgia and pairs beautifully with the sweet potato's autumnal flavors.
- Mulled Cider: A warm glass of spiced cider enhances the cozy atmosphere, resonating perfectly with the holiday-like experience of this dish.
Easy Sweet Potato Casserole Variations
Customize your dish with delightful twists that will make your Easy Sweet Potato Casserole sing with flavor!
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Dairy-Free: Substitute butter with coconut oil or vegan butter to lighten the dish while still keeping it rich and creamy.
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Nutty Crunch: Add chopped pecans or walnuts on top before baking for an irresistible crunchy texture that complements the soft filling beautifully.
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Maple Sweetness: Swap light brown sugar for maple syrup to add a natural sweetness that pairs perfectly with the earthy flavor of sweet potatoes.
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Zesty Twist: Mix in a dash of orange juice or zest for a bright citrus note; it will elevate the flavor and awaken your taste buds.
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Spiced Up: Add a pinch of cayenne pepper or a dash of hot sauce to the filling for a sweet and spicy combination that will keep everyone guessing.
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Tropical Flair: Replace mini marshmallows with toasted coconut or pineapple for a unique tropical twist that makes this casserole truly memorable.
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Cinnamon-Pecan Blend: Combine cinnamon and crushed pecans into the filling for an added layer of flavor; this little touch takes comfort food to a whole new level!
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Gourmet Finish: Drizzle with a salted caramel sauce just before serving for an indulgent touch that transforms your casserole into a fabulous dessert option.

Easy Sweet Potato Casserole Recipe FAQs
What kind of sweet potatoes should I use?
Absolutely! For the best flavor and creaminess, I recommend using orange-fleshed sweet potatoes, like Garnet or Jewel varieties. Look for firm potatoes with smooth skin, avoiding those with dark spots or blemishes.
How long can I store leftovers?
Very! Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Just make sure to allow it to cool completely before sealing to prevent any condensation that could make the casserole soggy.
Can I freeze the Easy Sweet Potato Casserole?
Absolutely! To freeze, first let the casserole cool completely, then wrap it tightly in plastic wrap followed by aluminum foil to prevent freezer burn. It can be kept for up to 2 months. When you're ready to enjoy it, simply thaw overnight in the fridge and reheat in the oven preheated to 350°F for about 20 minutes, or until warmed through.
What if my sweet potato filling is too lumpy?
Don't worry! If you find that your sweet potato filling has lumps, you can easily fix it. Just pour it into a food processor and blend until smooth. Alternatively, you can add a splash of milk or cream while mashing to help achieve a creamy consistency. Remember to be patient and mash thoroughly to avoid this issue in the first place!
Is this casserole suitable for people with dietary restrictions?
Very much so! This Easy Sweet Potato Casserole is vegetarian-friendly and can be made dairy-free by substituting butter with vegan butter and using alternative toppings. Always check with guests for allergies, especially with the marshmallows, as they can contain gelatin, which is not vegetarian. You can also use toasted coconut as a topping for a delightful twist!

Equipment
- large pot
- potato masher
- 9x13-inch baking dish
Ingredients
For the Filling
- 3 cups sweet potatoes baked until tender
- ½ cup light brown sugar can substitute with maple syrup
- ¼ cup butter or vegan butter for dairy-free option
- 1 teaspoon vanilla extract
- 1 teaspoon cinnamon or nutmeg for an extra spice
- ½ teaspoon salt
- ¼ teaspoon nutmeg use fresh grated if possible
For the Topping
- 2 cups mini marshmallows or toasted coconut as an alternative
Instructions
Directions
- Peel and cut the sweet potatoes into chunks. Place them in a large pot, cover with water, and boil for about 20 minutes until tender.
- Drain the sweet potatoes and return them to the saucepan. Mash until smooth and creamy.
- Combine the mashed sweet potatoes with butter, light brown sugar, vanilla extract, cinnamon, salt, and nutmeg until well incorporated.
- Grease a 9x13-inch baking dish with butter or cooking spray.
- Spread the sweet potato mixture evenly in the greased dish and top with mini marshmallows.
- Bake in a preheated oven at 350°F for 25-35 minutes, watching closely to avoid burning the marshmallows.





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