There’s something undeniably heartwarming about gathering around a table filled with homemade dishes that evoke nostalgia. This Easy Sweet Potato Casserole is the perfect centerpiece for your Thanksgiving feast, combining creamy sweet potatoes, aromatic spices, and a layer of gooey marshmallows on top. It’s not just a dish; it’s an invitation to share stories and create memories with loved ones. What I adore about this recipe is its simplicity—it comes together effortlessly without sacrificing that comforting flavor we love during the holiday season. Plus, it’s vegetarian-friendly, ensuring everyone can enjoy a taste of this classic comfort food. Are you ready to elevate your holiday table and impress your guests with a dish that evokes cheer and warmth? Let’s dive into the recipe!

Why Is This Casserole So Irresistible?
Comforting Tradition: This Easy Sweet Potato Casserole embraces the essence of holiday gatherings, delivering warm nostalgia in every bite.
Effortless Preparation: With just a few simple ingredients and straightforward instructions, even beginner cooks can shine in the kitchen.
Vegetarian-Friendly Delight: Perfect for all guests, this dish caters to vegetarian diets while still satisfying even the most devoted meat lovers.
Versatile Pairing: Serve it alongside roasted vegetables or turkey for a festive feast, as it complements a variety of mains beautifully.
Gooey Marshmallow Topping: That golden layer of marshmallows adds a delightful texture, turning this comforting side into a dessert-like experience your family will rave about!
Sweet Potato Casserole Ingredients
• Prepare yourself for a delightful mash-up of flavors!
For the Filling
- Sweet Potatoes – Provides natural sweetness and creamy texture; can substitute with yams for a twist.
- Light Brown Sugar – Adds caramel flavor and sweetness; substitute with maple syrup for an alternative taste.
- Butter – Gives richness and moisture; use margarine or vegan butter for a dairy-free option.
- Vanilla Extract – Enhances the overall flavor; can be omitted for a simpler taste if desired.
- Cinnamon – Adds warmth and spice; swap with pumpkin spice for deeper flavor.
- Salt – Balances sweetness and enhances flavors; essential for an irresistible sweet potato casserole.
- Nutmeg – Contributes cozy, aromatic spice; substitute with ground ginger or allspice if needed.
For the Topping
- Mini Marshmallows – Create a sweet, crispy topping; consider using homemade meringue or pecans for a twist.
Step‑by‑Step Instructions for Heavenly Easy Sweet Potato Casserole with Marshmallow Topping:
Step 1: Prepare Sweet Potatoes
Begin by peeling and chopping around 2 to 3 large sweet potatoes into large chunks, ensuring uniform size for even cooking. Place them in a large pot, cover with water, and bring to a boil. Cook for 15-20 minutes, or until they are fork-tender. Once cooked, drain the water and mash the sweet potatoes until smooth and creamy.
Step 2: Mix Filling
In the pot containing your mashed sweet potatoes, mix in approximately ¼ cup of melted butter, ½ cup of light brown sugar, a pinch of salt, ½ teaspoon of ground cinnamon, a splash of vanilla extract, and a dash of nutmeg. Stir until all ingredients are fully combined and the mixture is velvety and aromatic. Taste and adjust seasoning if necessary to ensure a delicious sweet potato filling.
Step 3: Bake Casserole
Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish with a little butter or cooking spray. Evenly spread the sweet potato mixture in the greased dish, smoothing the top to ensure a consistent baking surface. The filling should look rich and inviting as you prepare for the next step.
Step 4: Top with Marshmallows
Now, take about 2 cups of mini marshmallows and sprinkle them evenly across the surface of the sweet potato filling. Be generous and cover the filling completely for that irresistible crispy topping. The marshmallows will puff up and create a delightful contrast to the creamy sweet potato base.
Step 5: Bake
Place the dish in the preheated oven and bake for 25-35 minutes. Keep an eye on the casserole as it bakes; you want the marshmallows to become golden brown and bubbly. If needed, you can broil for an additional minute at the end for a perfectly toasted marshmallow topping. The heavenly aroma will fill your kitchen as this sweet potato casserole reaches its delicious peak.

What to Serve with Heavenly Easy Sweet Potato Casserole with Marshmallow Topping
Gathering around a table filled with comforting dishes is pure joy, and these pairings will elevate your meal to unforgettable heights.
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Roasted Turkey: A classic pairing, the savory notes of turkey complement the sweet richness of the casserole beautifully. It’s a time-honored match made in culinary heaven.
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Honey-Glazed Ham: The sweet and sticky glaze contrasts delightfully against the creamy sweet potato, creating a harmonious balance of flavors that makes each bite memorable.
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Sautéed Green Beans: These vibrant, crunchy veggies bring freshness to your plate, cutting through the casserole’s richness and adding a lovely pop of color.
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Cranberry Sauce: Tart and sweet, homemade cranberry sauce provides a zesty kick that enhances the dish’s flavors while adding a seasonal touch.
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Creamy Mashed Potatoes: The smooth, buttery texture of mashed potatoes pairs perfectly, complementing the casserole while creating a comforting, hearty meal.
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Autumn Salad: A mixture of mixed greens, apples, and nuts offers a refreshing crunch that balances the dish’s sweetness, making for a well-rounded meal.
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Sparkling Apple Cider: Celebrate with this festive drink! Its effervescence and fruity flavor will elevate your dining experience and pair nicely with the casserole’s warmth.
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Pumpkin Pie: A classic dessert choice, its spiced flavors provide a wonderful contrast, creating a sweet ending to your cozy holiday meal.
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Pecan Pie: Rich and nutty, this dessert is a holiday favorite that pairs perfectly with the sweet potato casserole, bringing a delightful finish to your festive feast.
How to Store and Freeze Sweet Potato Casserole
Fridge: Store leftover sweet potato casserole in an airtight container for up to 3-4 days. Reheat in the oven at 350°F until warmed through to restore its creamy texture.
Freezer: For longer storage, freeze the casserole before baking. Wrap tightly in foil or plastic wrap for up to 2 months. Thaw in the fridge overnight before baking.
Reheating: When reheating leftovers, cover the casserole with foil to prevent the marshmallows from burning. Warm it in the oven until hot, then uncover to achieve a crispy topping.
Assembly: You can prepare the filling ahead of time and refrigerate for a day. Add marshmallows before baking for a fresh, delightful experience.
Expert Tips for Sweet Potato Casserole
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Perfect Potato Prep: Start with evenly-sized chunks of sweet potatoes for consistent cooking. Overcooking can lead to watery filling, so watch the boiling time closely.
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Flavor Booster: Don’t skip the salt! It balances the sweetness and enhances flavors in your sweet potato casserole—omit it at your own risk.
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Marshmallow Magic: For a gorgeous golden topping, keep an eye on the baking time and broil at the end if necessary. This helps avoid burnt marshmallows while ensuring a blissful texture.
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Mix and Match: If you’re feeling adventurous, mix crushed pecans with the marshmallows for a delightful crunch. It’s a simple twist that adds a lovely flavor contrast!
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Make Ahead Tips: Prepare your sweet potato filling the day before and store it in the fridge. Just top with marshmallows before baking for a fresh, warm dish during your holiday meal.
Make Ahead Options
Preparing this Heavenly Sweet Potato Casserole ahead of time is a game changer for busy home cooks! You can make the filling and store it in the refrigerator for up to 3 days. Just ensure it’s cooled completely before placing it in an airtight container to maintain its creamy texture. You can also layer the mini marshmallows on top before refrigerating. When you’re ready to serve, simply bake the casserole directly from the fridge—just add an additional 5-10 minutes to the baking time. This means you can enjoy delicious, stress-free holiday gatherings with less last-minute hustle and more time to savor the season!
Sweet Potato Casserole Variations
Feel free to elevate your sweet potato casserole with these delightful twists for a personal touch!
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Bourbon Infusion: Add a splash of bourbon to the filling for a warm, rich flavor that sings of holiday spirit. This twist gives your casserole a deeper, adult-friendly flavor profile.
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S’mores Delight: Mix crushed graham crackers into the marshmallow layer for a s’mores-inspired treat that’s sure to please. Picture the smoky sweetness of campfire evenings covering your holiday table!
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Nutty Crunch: Sprinkle chopped pecans or walnuts on top before baking for a delightful crunch that contrasts with the creamy filling. The added texture adds an exciting layer of flavor that will leave guests craving more.
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Maple Magic: Swap out light brown sugar for pure maple syrup to introduce a deep caramel flavor, elevating the sweetness with an earthy touch. The flavor transformation is nothing short of spectacular!
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Spiced Sensation: Incorporate pumpkin spice in place of cinnamon for a seasonal twist that adds warmth and a hint of holiday cheer. This tiny change transforms your casserole into a festive masterpiece.
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Coconut Cream: For a tropical twist, mix in unsweetened shredded coconut to the sweet potato filling for added texture and flavor. This unique take will create an unexpected delight, bringing sunshine to your holiday table.
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Cranberry Swirl: Layer in some cranberry sauce between the sweet potato filling and marshmallows for a tangy contrast that adds vibrant color and a burst of holiday flavor. It’s a celebration of sweet and tart all at once!
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Herb Topping: Instead of classic marshmallows, consider a savory topping with fresh herbs mixed with breadcrumbs for a delightful herbaceous twist. This unexpected change will surprise and amaze your guests while providing a beautiful savory balance.
Each variation opens up a world of flavor, so have fun experimenting and creating your own unforgettable version of this classic holiday dish. If you’re in the mood for more inspiration, check out my delicious recipes like Cheddar Sweet Corn and Salisbury Steak Potatoes for additional festive ideas. Happy cooking!

Sweet Potato Casserole Recipe FAQs
How do I select ripe sweet potatoes?
Absolutely! When choosing sweet potatoes, look for ones that are firm, smooth, and free from dark spots or blemishes. Avoid those with any soft or wrinkled areas, as these may indicate spoilage. Choosing medium-sized sweet potatoes often yields the best flavor and texture, so keep an eye out for those!
How should I store leftover sweet potato casserole?
Very good question! Leftover sweet potato casserole can be stored in an airtight container in the refrigerator for up to 3-4 days. When you’re ready to enjoy it again, simply reheat it in the oven at 350°F until warmed through. This method helps restore its creamy texture while avoiding sogginess.
Can I freeze sweet potato casserole?
Yes, you can! To freeze, prepare the casserole up to the point of baking, then wrap it tightly in foil or plastic wrap for up to 2 months. To thaw, place it in the refrigerator overnight. When ready to bake, remove the wrapping, top with marshmallows, and bake directly from the fridge at 350°F until bubbly and heated through.
What if my marshmallows burn while baking?
Don’t worry! If you notice your marshmallows starting to brown too quickly, you can cover the casserole with foil to protect them. Alternatively, if you catch it early enough, you can switch to the broiler setting for a minute or two at the end to achieve that perfect golden layer without burning the marshmallows.
Is this recipe suitable for vegetarians?
Absolutely! This sweet potato casserole is not only vegetarian-friendly but also a delightful dish for all your guests, including meat lovers. It’s a great addition to any holiday table, ensuring everyone can indulge in its comforting flavors.
Can my pet have sweet potatoes?
Yes, sweet potatoes can be a healthy treat for dogs when cooked without harmful additives like butter or sugar. However, if you decide to share a small piece of plain, cooked sweet potato with your furry friend, make sure it’s plain and offered in moderation. Always consult your vet for personalized advice!

Heavenly Sweet Potato Casserole with Marshmallow Bliss
Ingredients
Equipment
Method
- Begin by peeling and chopping around 2 to 3 large sweet potatoes into large chunks, ensuring uniform size for even cooking. Place them in a large pot, cover with water, and bring to a boil. Cook for 15-20 minutes, or until they are fork-tender. Once cooked, drain the water and mash the sweet potatoes until smooth and creamy.
- In the pot containing your mashed sweet potatoes, mix in approximately ¼ cup of melted butter, ½ cup of light brown sugar, a pinch of salt, ½ teaspoon of ground cinnamon, a splash of vanilla extract, and a dash of nutmeg. Stir until all ingredients are fully combined and the mixture is velvety and aromatic. Taste and adjust seasoning if necessary to ensure a delicious sweet potato filling.
- Preheat your oven to 350°F (175°C). Grease a 9x13-inch baking dish with a little butter or cooking spray. Evenly spread the sweet potato mixture in the greased dish, smoothing the top to ensure a consistent baking surface.
- Now, take about 2 cups of mini marshmallows and sprinkle them evenly across the surface of the sweet potato filling. Be generous and cover the filling completely.
- Place the dish in the preheated oven and bake for 25-35 minutes, until the marshmallows are golden brown and bubbly. If needed, broil for an additional minute at the end for a perfectly toasted marshmallow topping. The heavenly aroma will fill your kitchen.

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