Christmas is the perfect time to gather around a table filled with warmth, laughter, and incredible food. I always find that side dishes are the true stars of the holiday feast, especially when they bring a touch of natural sweetness and creamy comfort to the plate. This year, I am sharing my favorite recipe for Scalloped Sweet Potatoes, a dish that balances rich flavors with the cozy vibes of the winter season.

Recipe Details

Recipe Information

Prep Time: 20 minutes
Cook Time: 60 minutes
Total Time: 80 minutes
Servings: 8 servings
Difficulty: Easy

Nutrition Information (Per Serving)

Calories: 285 kcal
Protein: 6g
Carbs: 32g
Fat: 15g

Why You’ll Love This Scalloped Sweet Potatoes

This dish is an absolute showstopper for your Christmas dinner. Unlike traditional white potato versions, sweet potatoes offer a vibrant color and a deep, earthy sweetness that pairs beautifully with savory herbs and melted cheese. It is incredibly creamy and satisfying, making it a crowd favorite for guests of all ages. Plus, the preparation is simple enough that you can focus on opening presents and enjoying the holiday spirit while it bakes to golden perfection in the oven.

Scalloped Sweet Potatoes Ingredients & Substitutions

3 lbs sweet potatoes, peeled and sliced into 1/8 inch rounds
4 tablespoons unsalted butter
3 cloves garlic, minced
3 tablespoons all-purpose flour
2 cups whole milk
1 cup heavy cream
1 teaspoon salt
1/2 teaspoon black pepper
1 teaspoon fresh thyme leaves
1.5 cups shredded sharp cheddar cheese
1/2 cup shredded parmesan cheese
4 slices turkey bacon, cooked and crumbled

If you prefer a lighter version, you can replace the heavy cream with more whole milk or a splash of broth mixed with a little cornstarch. For a different flavor profile, try using gruyere or swiss cheese instead of cheddar. If fresh thyme is unavailable, half a teaspoon of dried thyme or rosemary works just as well to provide that festive herbal aroma.

Step-by-Step Instructions to Make Scalloped Sweet Potatoes

Step 1: Preparation

Preheat your oven to 375 degrees Fahrenheit. Grease a 9×13 inch baking dish with butter or a light coating of oil to ensure the potatoes do not stick to the sides during the long baking process.

Step 2: Slicing the Potatoes

Peel your sweet potatoes and slice them into thin, even rounds, approximately 1/8 inch thick. Using a mandoline slicer is the best way to get uniform pieces, which helps the dish cook evenly. Set the sliced potatoes aside.

Step 3: Creating the Cream Sauce

In a medium saucepan over medium heat, melt the butter. Add the minced garlic and cook for about one minute until fragrant. Whisk in the flour to create a roux and cook for another minute. Slowly pour in the milk and heavy cream, whisking constantly to prevent lumps. Continue to cook until the sauce thickens slightly, then stir in the salt, pepper, and fresh thyme.

Step 4: Layering the Dish

Arrange half of the sweet potato slices in the prepared baking dish, overlapping them slightly. Pour half of the cream sauce over the potatoes and sprinkle with half of the shredded cheddar cheese and half of the crumbled turkey bacon. Repeat with the remaining potatoes, sauce, cheddar, and turkey bacon. Top everything with the shredded parmesan cheese.

Step 5: Baking to Perfection

Cover the baking dish tightly with aluminum foil. Bake in the preheated oven for 40 minutes. Remove the foil and continue baking for another 15 to 20 minutes, or until the potatoes are tender when pierced with a fork and the cheese on top is bubbly and golden brown.

Step 6: Resting

Remove the dish from the oven and let it rest for about 10 minutes before serving. This allows the sauce to set and makes it much easier to scoop out clean portions.

Tips for Success

To get the best results, make sure your potato slices are as uniform as possible. If some are significantly thicker than others, they may remain crunchy while the rest of the dish is soft. Also, do not skip the resting period after baking. It is tempting to dive in right away, but those ten minutes allow the starch from the potatoes to thicken the sauce into a velvety consistency that clings to every slice.

Variations of Scalloped Sweet Potatoes

For a sweet and savory twist, you can add a layer of thinly sliced apples or pears between the potato layers. If you want a bit of crunch, try topping the dish with toasted pecans or walnuts during the last five minutes of baking. For those who enjoy a bit of heat, a pinch of cayenne pepper added to the cream sauce provides a lovely contrast to the sweetness of the potatoes and the richness of the cheese.

Serving Suggestions: What to Pair with Scalloped Sweet Potatoes

This dish is a natural companion to a classic Christmas roast turkey or a glazed honey beef roast. It also pairs wonderfully with green side dishes like roasted Brussels sprouts with balsamic glaze or a fresh winter citrus salad. Since the dish is quite rich, serving it alongside something bright and acidic helps balance the palate.

Storage & Reheating Instructions

Store any leftovers in an airtight container in the refrigerator for up to four days. To reheat, place a portion in an oven safe dish, cover with foil, and warm at 350 degrees Fahrenheit until heated through. This method preserves the texture of the sauce better than a microwave, though a microwave works fine for a quick lunch if you add a tiny splash of milk to keep it moist.

Memories Made Around the Table

I remember my grandmother always making a version of this dish for our Christmas Eve dinner. The kitchen would smell like garlic and herbs, and I would wait impatiently for that golden crust to form on top of the pan. It was the one dish that everyone reached for twice, and seeing it on my own table now brings back all those happy childhood holiday memories. It is more than just a recipe, it is a piece of home that I get to share with my own family every year.

FAQs

Can I make Scalloped Sweet Potatoes ahead of time?

Yes, you can assemble the entire dish a day in advance. Keep it covered in the refrigerator and simply add about 10 to 15 minutes to the covered baking time since the dish will be cold when it enters the oven.

Do I have to peel the sweet potatoes?

While the skin is edible, peeling them provides a much smoother and more elegant texture for a holiday meal. If you prefer a more rustic look, you can leave the skins on, but make sure to scrub them very thoroughly first.

Why is my sauce watery?

This usually happens if the potatoes haven’t cooked long enough or if the sauce didn’t thicken properly during the roux stage. Ensure you cook the flour and butter together before adding liquid, and let the dish rest after baking to help it firm up.

Can I use different types of potatoes?

You can use a mix of sweet potatoes and Yukon Gold potatoes for a beautiful color contrast and a slightly different flavor. The cooking times remain generally the same as long as the slices are the same thickness.

How do I prevent the cheese from burning?

The key is to keep the dish covered with foil for the first two-thirds of the baking time. This allows the potatoes to cook through with steam while the foil protects the cheese from direct heat. Only uncover it at the end to get that perfect golden brown finish.

Final Thoughts

Scalloped Sweet Potatoes are a beautiful and delicious addition to any holiday spread. They bring a sense of elegance and comfort that perfectly captures the spirit of Christmas. I hope this dish becomes a new tradition in your home, filling your kitchen with wonderful aromas and your guests with happy hearts. Enjoy the process of cooking and the joy of sharing a meal with those you love most.

Scalloped Sweet Potatoes

Print Recipe

Total Time: 1 hour 20 minutes

Ingredients

3 lbs sweet potatoes, peeled and sliced into 1/8 inch rounds
4 tablespoons unsalted butter
3 cloves garlic, minced
3 tablespoons all-purpose flour
2 cups whole milk
1 cup heavy cream
1 teaspoon salt
1/2 teaspoon black pepper
1 teaspoon fresh thyme leaves
1.5 cups shredded sharp cheddar cheese
1/2 cup shredded parmesan cheese
4 slices turkey bacon, cooked and crumbled

Instructions

Step 1: Preparation. Preheat your oven to 375 degrees Fahrenheit. Grease a 9×13 inch baking dish with butter or a light coating of oil to ensure the potatoes do not stick to the sides during the long baking process.
Step 2: Slicing the Potatoes. Peel your sweet potatoes and slice them into thin, even rounds, approximately 1/8 inch thick. Using a mandoline slicer is the best way to get uniform pieces, which helps the dish cook evenly. Set the sliced potatoes aside.
Step 3: Creating the Cream Sauce. In a medium saucepan over medium heat, melt the butter. Add the minced garlic and cook for about one minute until fragrant. Whisk in the flour to create a roux and cook for another minute. Slowly pour in the milk and heavy cream, whisking constantly to prevent lumps. Continue to cook until the sauce thickens slightly, then stir in the salt, pepper, and fresh thyme.
Step 4: Layering the Dish. Arrange half of the sweet potato slices in the prepared baking dish, overlapping them slightly. Pour half of the cream sauce over the potatoes and sprinkle with half of the shredded cheddar cheese and half of the crumbled turkey bacon. Repeat with the remaining potatoes, sauce, cheddar, and turkey bacon. Top everything with the shredded parmesan cheese.
Step 5: Baking to Perfection. Cover the baking dish tightly with aluminum foil. Bake in the preheated oven for 40 minutes. Remove the foil and continue baking for another 15 to 20 minutes, or until the potatoes are tender when pierced with a fork and the cheese on top is bubbly and golden brown.
Step 6: Resting. Remove the dish from the oven and let it rest for about 10 minutes before serving. This allows the sauce to set and makes it much easier to scoop out clean portions.

Cook Time: 80 minutes
Diet: Standard