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    Home » Recipes » Side Dishes

    Scalloped Sweet Potatoes

    Published: Nov 18, 2023 · Modified: Sep 24, 2024 by Dane & Becky · This post may contain affiliate links · Leave a Comment

    Jump to Recipe Print Recipe

    The sweet and savory flavors of these creamy scalloped sweet potatoes are perfectly balanced in a herbed cream sauce with parmesan and gruyere cheese.

    Scalloped sweet potatoes covered in melted cheese with a sprinkle of fresh green herbs being scooped with a serving utensil.

    This delicious recipe makes the perfect side for a special occasion or family dinner. We love making it part of our holiday meals – it's just as delicious as traditional scalloped potato recipes.

    Perfectly complement the richness of a beef roast like our Sirloin Tip Roast or our instant pot whole chicken.

    Why you'll love this recipe

    Savory and sweet balance: This recipe strikes the perfect balance between the natural sweetness of sweet potatoes and a savory, creamy blend of cheeses and spices. We love how the sweetness cuts through the richness of the other ingredients.

    A new twist on a classic: While traditional scalloped potatoes are undeniably delicious, this recipe introduces a twist. Great if you want something a bit different.

    Easy make-ahead convenience: Busy schedules are no match for this recipe. Prepare it in advance and pop it in the oven when ready to enjoy!

    Gourmet appeal: With a combination of Gruyere and Parmesan cheese, you'll love the gourmet flavors that melt together to form a golden, crispy crust on top. It's the kind of dish that makes you feel like a culinary pro in your kitchen!

    Seasonal or special occasions: Sweet potatoes bring a touch of seasonal elegance to your holiday table. They're not just for Thanksgiving and Christmas dinner; they're perfect year-round, making every meal special.

    Pair with our tender bottom round roast and green bean casserole with crispy pork rinds at your next holiday gathering.

    Recipe ingredients

    Ingredients for making scalloped sweet potatoes in individual dishes.

    Sweet potatoes: Choose firm, fresh sweet potatoes.

    Minced garlic: Fresh garlic enhances the savory depth of the dish.

    Nutmeg: Powdered or freshly grated nutmeg provides a warm, slightly sweet, and nutty taste.

    Heavy cream: This makes the dish creamy and rich. Opt for high-quality heavy cream for the best results.

    Gruyere cheese: This famous Swiss cheese melts beautifully and adds a nutty and slightly sweet flavor that pairs beautifully with sweet potatoes. It also creates a golden, cheesy crust on top.

    Parmesan cheese: We recommend freshly grated Parmesan for its sharp, salty, and umami-rich taste. It helps to create a crispy top layer as well.

    If you have any questions about the ingredients, please comment below and we will get back to you.

    Pair with our gluten-free stuffing and five minute gravy on your holiday table.

    Substitutions & customizations

    Sweet Potatoes - You can use a different variety like white or purple. You can also make this recipe with regular potatoes.

    Creative toppings: Elevate your dish by experimenting with various toppings. Consider options like candied pecans for a delightful crunch or crispy bacon bits for a savory twist. Customizing the toppings makes this dish your own.

    How to make scalloped sweet potatoes

    A sweet potato being sliced with a mandoline on a wooden cutting board.

    Step 1: Use a mandolin slicer to slice the sweet potatoes into ⅛th-inch thick rounds.

    A baking dish with 4 rows of thinly sliced sweet potato rounds.

    Step 2: Arrange the sliced sweet potatoes evenly in alternating layers in the baking dish. 

    A saucepan with heavy cream being whisked into melted butter, garlic, thyme, salt, pepper and nutmeg.

    Step 3: Melt the butter in a saucepan over medium–high heat. Add the garlic, fresh thyme, salt, pepper, and nutmeg. Saute for 30 seconds until fragrant. Remove the pan from the heat and whisk in the heavy cream.

    Parmesan and gruyere cheese being whisked into the herb cream sauce in a small saucepan.

    Step 4: Whisk in a ¼ cup of the Gruyère cheese, and Parmesan until smooth and creamy.

    The herb cream cheese sauce being poured over the sweet potato rounds in the baking dish.

    Step 5: Pour the cream mixture over the layered sweet potatoes.

    A fully assembled scalloped sweet potato with gruyere cheese sprinkled on top ready to be baked.

    Step 6: Sprinkle the remaining Gruyere over the top. Bake in the oven for 50-60 minutes or until the sweet potatoes are tender. Broil on high for the last 1-2 minutes at the end, until golden brown.

    For the complete list of ingredients and instructions, please see the printable recipe card below.

    For dessert, make our no bake biscoff cheesecake or Italian hangover cake.

    Best tips

    Thin slices for a perfect bite: Slice your sweet potatoes thinly, as thicker slices may not cook evenly. This ensures that every layer becomes tender and infused with flavor.

    Mandoline slicer precision: Invest in a mandoline slicer if you can. It simplifies the process and guarantees consistently thin sweet potato slices. This step ensures the dish and its sweet potato slices will cook evenly. There is nothing worse than having raw “spots” in your baking dish.

    FAQs

    How do you know when scalloped sweet potatoes are done?

    Scalloped sweet potatoes are done when you can slide a sharp knife easily into the potatoes. 

    My scalloped sweet potato sauce split, what do I do?

    Your sauce will only split if you use reduced fat milk and cheese. This recipe needs the fat in the heavy cream, parmesan and gruyere cheese to hold the sauce together.

    Can I make these scalloped sweet potatoes with gruyere cheese the day before?

    This recipe is perfect for making ahead. Go ahead and fully assemble the dish, then cover and place in the fridge. When ready, remove covering and pop into the oven.

    Extreme closeup view of scalloped sweet potatoes covered with cheese and sprinkled with finely chopped fresh green herbs filling the frame of the image.

    Storage instructions

    To keep fresh and safe for later enjoyment, follow these storage and reheating tips:

    Fridge: Transfer any leftovers into an airtight container. Store for up to 3-4 days.

    Freezer: Place the leftovers in a freezer-safe container or wrap it tightly in freezer-friendly plastic wrap. Freeze for up to 60 days.

    Reheating:

    1. Preheat your oven to 350°F (175°C).
    2. Transfer the scalloped sweet potatoes to an oven-safe dish.
    3. Cover the dish with aluminum foil to prevent excessive browning.
    4. Heat for 20-30 minutes or until the center is hot.

    You can reheat smaller portions in a shallow pan on the stovetop over medium heat. Heat for 5-7 minutes until the center is hot. Do not cover the pan to prevent the crusted top from softening. For best results use an oven-safe skillet to pop under the broiler for the last minute or two of reheating.

    Although using the oven is best to maintain the texture of this dish, short bursts of 20-30 seconds to reheat in the microwave can work if you are in a hurry. Always gently stir leftovers in between heating when using a microwave.

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    📖 Recipe

    Scalloped Sweet Potatoes

    Dane & Becky
    Creamy and cheesy with a golden topping, this sweet and savory scalloped sweet potatoes with gruyere cheese is perfectly balanced in a herbed cream sauce.
    5 from 2 votes
    Print Recipe Pin Recipe
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    Prep Time 20 minutes mins
    Cook Time 55 minutes mins
    Course Side Dishes
    Cuisine American
    Servings 8
    Calories 270 kcal

    Equipment

    • 9 x 13 baking dish
    • Mandolin slicer

    Ingredients
      

    • 2 pounds sweet potatoes
    • ¼ cup unsalted butter
    • 2 teaspoons minced garlic
    • 1 ½ teaspoons dried thyme
    • Salt and black pepper to taste
    • Pinch nutmeg
    • ¾ cup heavy cream
    • ½ cup Gruyere cheese shredded, divided
    • ¼ cup Parmesan cheese shredded
    • Fresh parsley for garnish
    Prevent your screen from going dark

    Instructions
     

    • Preheat the oven to 400 degrees F. Spray a 9x13-inch baking dish with cooking spray; set aside.
    • Use a mandolin to slice the sweet potatoes into ⅛-inch thick slices. Arrange them in even, alternating layers in the baking dish.
    • Melt the butter in a saucepan set over medium-high heat. Add in the garlic, thyme, salt, pepper, and nutmeg and saute for 30 seconds, until fragrant. Remove the pan from the heat.
    • Whisk in the heavy cream, ¼ cup Gruyere, and Parmesan until smooth and creamy. Pour the mixture over the layered sweet potatoes. Sprinkle the remaining Gruyere over the top.
    • Bake for 50-60 minutes or until the sweet potatoes are tender. Broil on high for 1-2 minutes at the end, until golden brown.

    Notes

    Slice potatoes into thin even rounds, using a mandolin slicer if possible, for even cooking.
    Use dried herbs as they maintain their texture and flavor during baking.
    Broil for the last 1-2 minutes for a golden topping.
    Check for doneness by inserting a sharp knife into the potatoes to be sure they are cooked through and tender.

    Nutrition

    Serving: 1Calories: 270kcalCarbohydrates: 25gProtein: 6gFat: 17gSaturated Fat: 11gPolyunsaturated Fat: 5gCholesterol: 49mgSodium: 209mgFiber: 4gSugar: 8g
    Tried this recipe?Let us know how it was!
    Thanks for sharing!

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