Your New Favorite Holiday Side Dish is Here!
Hey there, friend! Come on in, the kitchen’s warm, the oven is preheating, and I’ve got something simmering on the stove that smells like pure, unadulterated holiday magic. If you’re like me, the side dishes are often the unsung heroes of a big feast. The turkey might get the glory, but it’s the creamy, dreamy, decadent casseroles and bakes that we truly dream about all year long.
Well, get ready to make a dish that might just steal the entire show. Today, we’re diving headfirst into my absolute Best Scalloped Sweet Potatoes. This isn’t just any potato bake. Imagine layers upon layers of thinly sliced sweet potatoes, each one bathed in a spiced brown sugar butter sauce that caramelizes into something transcendent. It’s creamy and tender underneath, with a top that gets gloriously golden and crisp, especially if you go for that optional (but highly recommended!) marshmallow and pecan crunch. It’s the perfect marriage of savory richness and a touch of natural sweetness, a side dish that feels both comfortingly familiar and excitingly special.
Whether you’re crafting your Thanksgiving menu, planning a cozy Christmas dinner, or just need a spectacular side to bring to a potluck, this recipe is your new best friend. It’s crowd-pleasing, surprisingly simple, and fills your home with an aroma that will have everyone gathered in the kitchen, asking “is it ready yet?”. So, tie on your favorite apron—let’s get messy and make something unforgettable together.
A Sweet Potato Tradition: More Than Just a Side Dish
This recipe, for me, is woven into the fabric of my favorite holiday memories. It all started one particularly chaotic Thanksgiving at my Grandma Eleanor’s house. I was probably eleven, deemed just old enough to be promoted from “setting the table” to “actually helping in the kitchen.” My job? Peeling a mountain of sweet potatoes. I remember my arms getting tired, complaining about the sticky sap, and thinking there had to be a better way.
Grandma, in her infinite wisdom, didn’t scold me. Instead, she handed me a mandoline slicer (supervised, of course!) and said, “Stop thinking about the work, Liv, and start thinking about the magic. Thin slices mean more surface area for the goodness to cling to. It’s all about the layers.” As we layered the potatoes into her old, chipped ceramic dish, she let me mix the sauce—a little of this spice, a little of that brown sugar, a “generous” pat of butter (her favorite ingredient). She wasn’t just teaching me a recipe; she was teaching me a feeling. The feeling of building something with care, of creating layers of flavor and love that would literally stack up to feed the people we cherished most.
That dish was the first thing to disappear that year. Now, every time I make it, I’m right back in her warm, fragrant kitchen, learning that the best recipes are about more than just food—they’re about the stories and the people we make them with.
Gathering Your Cozy Ingredients
This recipe is all about simple, beautiful ingredients coming together to create something extraordinary. Here’s what you’ll need:
- 5–6 medium sweet potatoes, peeled and thinly sliced into ⅛-inch rounds – This is the star! Look for firm potatoes with smooth skin. The key here is uniformly thin slices. A mandoline slicer is your best friend for this—it ensures everything cooks evenly and creates those beautiful, delicate layers. No mandoline? Just do your best with a sharp knife! Chef’s Insight: You can sub in other root veggies! Try a layer of parsnips or a few Yukon Gold potatoes for a fun twist.
- ¼ cup unsalted butter – For richness and that incredible caramelized flavor. Using unsalted lets you control the salt level perfectly.
- ¼ cup brown sugar (light or dark) – Dark brown sugar will give you a deeper, more molasses-like flavor, but light works perfectly too. This is what creates that gorgeous, glossy sauce.
- ½ cup water – This helps create the sauce base and steams the potatoes to perfection as they bake, making them melt-in-your-mouth tender.
- 1 tsp ground cinnamon – The quintessential cozy spice. It adds warmth and that classic holiday aroma.
- 1 tsp ground cloves – A little goes a long way! This provides a pungent, deeply spiced kick that complements the sweetness of the potatoes beautifully.
- 1 tsp ground nutmeg – I highly recommend grating your own nutmeg if you can—the flavor is so much brighter and more aromatic! This adds a nutty, warm sweetness.
- ¼ tsp salt – Do not skip this! Salt is crucial for balancing all the sweet and spiced flavors. It makes everything pop.
- ¼ cup chopped pecans (or walnuts) – For that essential crunchy texture on top! Toasting them beforehand in a dry skillet for a few minutes will unlock their nutty flavor even more.
- ½ cup mini marshmallows (optional for topping) – Okay, I know this is divisive, but hear me out! They create a fun, gooey, nostalgic topping that gets beautifully toasted. If you’re not a fan, just leave them off—the dish is still incredible.
Let’s Build Those Beautiful Layers: A Step-by-Step Guide
Don’t let the fancy name fool you—this is a wonderfully straightforward process. Follow these steps, and you’ll have a perfect dish every single time.
Step 1: Prep Your Station. First things first, preheat your oven to 375°F (190°C). This is the perfect temperature to cook the potatoes through without burning the top too quickly. Take a medium baking dish (an 8×11 or 9×13 inch works great) and give it a light coating of butter or a quick spritz of cooking spray. This little step guarantees an easy cleanup later—you’ll thank yourself!
Step 2: Create Your First Layer. Now, take about half of your beautifully sliced sweet potatoes and arrange them in the bottom of your prepared dish. It’s okay to overlap them! In fact, we want them to overlap. This creates a dense, creamy texture as they bake. Don’t worry about making it perfect; rustic is charming!
Step 3: Work Your Sauce Magic. This is where the flavor happens! In a medium saucepan, melt your butter over medium heat. Once it’s foaming slightly, whisk in the brown sugar, water, cinnamon, cloves, nutmeg, and salt. Let this come to a gentle simmer and let it bubble away for 3-4 minutes, whisking occasionally. You’ll see it start to thicken slightly and become wonderfully fragrant. Chef’s Hack: Taste the sauce! This is your chance to adjust. Want it spicier? Add a pinch more cloves. Want it brighter? A tiny pinch of black pepper works wonders here.
Step 4: The First Saucy Pour. Carefully pour about half of your spiced butter sauce over the first layer of potatoes. Try to get it as even as possible, but it will all work out in the end, I promise!
Step 5: Repeat and Complete. Now, layer the remaining half of your sweet potato slices on top, again with plenty of overlapping. Then, pour every last drop of the remaining sauce over the top. I like to gently shake the dish back and forth to help the sauce settle into all the nooks and crannies.
Step 6: Bake to Perfection. Cover the dish tightly with aluminum foil. This is crucial—it traps the steam, which is what tenderizes the potatoes as they bake. Pop it in the oven and bake for 40-45 minutes. After this time, the potatoes should be nearly fork-tender.
Step 7: The Grand Finale (Topping Time!). Remove the dish from the oven and carefully take off the foil (steam is hot!). Sprinkle the chopped pecans evenly over the top. If you’re going for the marshmallows, scatter them over now too. Return the dish to the oven, uncovered, for another 10-15 minutes. You’re waiting for that gorgeous golden-brown color on the nuts and marshmallows, and for the sauce around the edges to be bubbly and caramelized.
Step 8: The Hardest Part—Wait! I know, I know. It smells incredible and you want to dig right in. But trust me on this: let it rest for a full 10 minutes after pulling it out of the oven. This allows the layers to set slightly, making it much easier to serve beautiful, intact portions instead of a delicious but soupy mess.
How to Serve Your Masterpiece
This dish is a stunner right out of the oven, all bubbly and golden. I love serving it straight from the baking dish for that cozy, family-style feel. Use a large, flat serving spoon or a small spatula to get underneath those layers and lift out a perfect portion. It pairs phenomenally with all your holiday classics: roast turkey, honey-glazed ham, or even a hearty vegetarian wellington. For a beautiful plate, place a slice of protein alongside a generous scoop of these scalloped sweet potatoes, a serving of green bean almondine, and a dollop of cranberry sauce. The colors are a holiday dream!
Make It Your Own: Delicious Variations
The beauty of this recipe is its adaptability! Here are a few ways to mix it up:
- Maple Kissed: Swap the brown sugar for pure maple syrup and add a tablespoon of orange zest to the sauce for a bright, complex flavor.
- Candied Crunch: Use candied pecans instead of regular ones for an extra sweet and crunchy topping.
- Sweet & Savory Fusion: Add a cheesy layer! Sprinkle ½ cup of grated sharp white cheddar or Gruyère cheese between the potato layers and on top before the final bake.
- Bourbon Spice: For a grown-up twist, replace two tablespoons of the water with bourbon. The alcohol cooks off, leaving behind a wonderful depth of flavor.
- Dairy-Free Delight: Use vegan butter and skip the marshmallows (or use vegan ones) for an equally delicious dairy-free version.
Chef’s Notes: From My Kitchen to Yours
This recipe has evolved so much since that first Thanksgiving with my grandma. I’ve made it in a dozen different kitchens, for a hundred different people, and I’ve learned a thing or two. One year, I was so distracted by guests arriving early that I completely forgot the foil and baked it uncovered the whole time. The result? The top was *very* done, but the bottom layers were still a bit firm. We dubbed it the “Crunchy Surprise” edition and laughed about it all dinner. The lesson? The foil is non-negotiable for that perfect tender texture!
I’ve also learned that the type of sweet potato can change the game. I personally love the standard orange-fleshed Beauregards for their classic sweetness and creamy texture. But if you find white or purple sweet potatoes, give them a try! They create a stunning (and slightly less sweet) dish. The most important thing is to have fun with it. Cooking is an adventure, not a science experiment. So put on some music, pour yourself a drink, and enjoy the process.
Your Questions, Answered!
Q: Can I make this ahead of time?
A: Absolutely! This is a fantastic make-ahead dish. Assemble the entire casserole right up to the point of baking (through Step 5). Cover it tightly and refrigerate for up to 24 hours. When you’re ready, you may need to add 5-10 minutes to the covered baking time since it will be going into the oven cold. Then, add your toppings and finish as directed.
Q: My sauce seems too thin/too thick. What did I do wrong?
A: Don’t worry! Sauce consistency can vary based on your stove’s heat and the size of your saucepan. If it’s too thin after simmering, let it go for another minute or two. If it’s too thick, whisk in another tablespoon of water. Remember, it will also thicken significantly as it bakes and cools.
Q: Why are my potatoes still crunchy after baking?
A: This almost always means your potato slices were too thick. They need to be no more than ⅛-inch thick to cook through properly in the given time. That’s why a mandoline is such a game-changer! If you find yourself with undercooked potatoes, simply cover it back with foil and return it to the oven in 5-minute increments until tender.
Q: Can I freeze scalloped sweet potatoes?
A: I don’t recommend it, unfortunately. The creamy, tender texture of the potatoes and sauce doesn’t hold up well to freezing and thawing, often becoming watery and grainy.
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Best Scalloped Sweet Potatoes
Description
Layers of thinly sliced sweet potatoes, bathed in a spiced brown sugar butter sauce, baked until tender with a golden, caramelized top. Optional marshmallow and pecan topping adds crunch and gooey sweetness. Perfect for Thanksgiving, Christmas, or any holiday feast.
Ingredients
Sweet Potatoes & Base:
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5–6 medium sweet potatoes, peeled and thinly sliced (⅛-inch rounds)
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¼ cup unsalted butter
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¼ cup brown sugar (light or dark)
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½ cup water
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1 tsp ground cinnamon
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1 tsp ground cloves
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1 tsp ground nutmeg (freshly grated recommended)
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¼ tsp salt
Topping:
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¼ cup chopped pecans (or walnuts, toasted)
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½ cup mini marshmallows (optional)
Optional Variations:
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Maple Kissed: Use maple syrup instead of brown sugar; add 1 tbsp orange zest.
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Candied Crunch: Use candied pecans.
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Cheesy: Add ½ cup grated sharp cheddar or Gruyère between layers.
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Bourbon Spice: Replace 2 tbsp water with bourbon.
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Dairy-Free: Use vegan butter and vegan marshmallows.
Instructions
Step 1: Prep & Preheat
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Preheat oven to 375°F (190°C).
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Lightly butter or spray a medium baking dish (8×11 or 9×13 inch).
Step 2: Layer Potatoes
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Arrange half the sweet potato slices in the bottom of the dish, overlapping slightly.
Step 3: Make Sauce
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In a medium saucepan, melt butter over medium heat.
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Whisk in brown sugar, water, cinnamon, cloves, nutmeg, and salt.
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Simmer gently 3–4 minutes until slightly thickened and fragrant. Taste and adjust.
Step 4: Pour Sauce
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Pour about half of the sauce over the first layer of potatoes.
Step 5: Layer & Pour Remaining Sauce
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Add remaining sweet potato slices on top, overlapping.
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Pour remaining sauce over the top, shaking the dish gently to settle.
Step 6: Bake Covered
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Cover tightly with foil.
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Bake 40–45 minutes until potatoes are nearly fork-tender.
Step 7: Add Topping
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Remove foil carefully.
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Sprinkle chopped pecans evenly; add marshmallows if using.
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Return uncovered to oven 10–15 minutes until golden-brown and bubbly.
Step 8: Rest Before Serving
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Let stand 10 minutes before serving to set layers.
Notes
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Thin slices are key: ⅛-inch rounds ensure tender layers. A mandoline slicer is ideal.
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Foil is essential: Traps steam to cook potatoes evenly.
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Sauce consistency: Will thicken further while baking. Adjust with water if needed.
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Make-ahead: Assemble up to Step 5, cover, and refrigerate up to 24 hours. Add 5–10 min extra baking time.
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Freezing: Not recommended; texture may become watery.
Nutritional Information*
*This is an estimate for informational purposes only, calculated without optional marshmallows.
Calories: ~280 kcal | Carbohydrates: 42g | Fat: 11g | Sugar: 21g | Fiber: 5g
Prep time: 20 min | Bake time: 55–60 min | Total time: ~1 hr 20 min | Serves: 8-10
Final Thoughts
So there you have it—more than just a recipe, but a story, a tradition, and a promise of something truly delicious. These Scalloped Sweet Potatoes are more than a side dish; they’re a conversation starter, a memory maker, and a guaranteed way to bring a little extra warmth and joy to your holiday table.
I hope this recipe finds its way into your kitchen and becomes a part of your own family’s story. Give it a try, make it your own, and get ready to accept all the compliments. Most importantly, have fun, make a mess, and enjoy every bite.