Name: Sweet Potato & Cranberry Gratin: A Creamy Holiday Delight
Prep time: 30 min
Cook time: 35 min
Total time: 75 min
Ingredients: 2 pounds Sweet Potatoes (Can substitute with butternut squash); 12 ounces Fresh Cranberries (Frozen cranberries can be used after thawing); 1 cup Heavy Cream (Can swap with coconut cream for vegan version); 1/4 cup Brown Sugar (Maple syrup can also be used); 1 teaspoon Cinnamon (Nutmeg can be a substitute); 1 teaspoon Salt; 1/2 teaspoon Black Pepper; 1 cup Gruyère Cheese (Cheddar or mozzarella can work well); 1 cup Breadcrumbs (Use gluten-free breadcrumbs for gluten-free option)

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“Can you believe the holiday season is right around the corner? As I plan festive gatherings, one dish that never fails to steal the show is my Sweet Potato & Cranberry Gratin. This festive side dish is not just a delight for the eyes with its vibrant colors; it also balances creamy sweet potatoes with the tang of cranberries, creating a flavor sensation that everyone adores. Plus, it’s a breeze to whip up, making it the ultimate choice for busy cooks seeking to wow their guests without stress. Whether you’re accommodating a vegan friend or looking for a gluten-free option, this gratin adapts beautifully, ensuring everyone at your table can enjoy a comforting side. Ready to impress your loved ones with this delectable dish?”

Why is this gratin a must-try?

Versatile and Adaptable: This Sweet Potato & Cranberry Gratin is not only a festive delight but also easily modified for dietary needs, whether you need a vegan or gluten-free option. Quick to Prepare: Perfect for those hectic holiday days, this dish comes together in no time, letting you enjoy quality moments with family. Crowd Pleaser: Its beautiful presentation and irresistible flavors make it a favorite at any gathering, ensuring no leftovers! Rich, Creamy Texture: The harmonious blend of sweet potatoes and tangy cranberries creates a mouthwatering experience that your loved ones won’t soon forget. Check out my recipe for Smashed Potato Salad for another crowd-pleasing side!

Sweet Potato & Cranberry Gratin Ingredients

For the Gratin

Sweet Potatoes – Provides a wonderfully sweet and creamy texture; you can substitute with butternut squash for a similar flavor profile.
Fresh Cranberries – Adds a tart and fruity burst; frozen cranberries can be used after thawing and draining.
Heavy Cream – Contributes a rich creaminess to the dish; swap it for coconut cream for a vegan version.
Brown Sugar – Enhances the overall sweetness and caramelizes beautifully; maple syrup also makes a great substitute.
Cinnamon – Infuses warmth into this dish; feel free to substitute with nutmeg for a unique twist.
Salt and Pepper – Essential for enhancing the flavors throughout the gratin.
Gruyère Cheese – Brings a rich, melty texture; cheddar or mozzarella work well as alternatives.
Breadcrumbs – Creates a delightful crunchy topping; use gluten-free breadcrumbs for a gluten-free option.

Step‑by‑Step Instructions for Sweet Potato & Cranberry Gratin

Step 1: Preheat the Oven
Begin by preheating your oven to 375°F (190°C). This step is crucial to achieve that beautiful golden tone on top of your Sweet Potato & Cranberry Gratin. While the oven warms up, gather your ingredients so everything is ready for quick assembly.

Step 2: Prepare Sweet Potatoes
Peel and slice sweet potatoes into uniform rounds about ¼ inch thick. In a large pot, bring salted water to a rolling boil and add the sweet potatoes. Boil for 10–15 minutes, or until they are fork-tender but not mushy. Drain them carefully and set aside to cool slightly.

Step 3: Layer the Gratin
In a greased baking dish, layer half of the sweet potato slices at the bottom, creating a harmonious base. Make sure the slices are closely arranged for even cooking. Then, sprinkle half of the cranberries over this layer, ensuring an even distribution for maximum tartness in every bite.

Step 4: Mix the Cream Mixture
In a mixing bowl, combine heavy cream, brown sugar, cinnamon, salt, and pepper. Whisk these ingredients together until the mixture is smooth and well-blended. Pour half of this luscious cream mixture over the layered sweet potatoes and cranberries, allowing it to seep between the layers.

Step 5: Repeat Layering
Now, it’s time to repeat the layering process! Place the remaining sweet potato slices over the first layer, followed by the rest of the cranberries. This will ensure that every forkful of your Sweet Potato & Cranberry Gratin is bursting with flavor. Pour the remaining cream mixture on top, covering everything generously.

Step 6: Add Toppings
Sprinkle shredded Gruyère cheese evenly over the top of the gratin, ensuring a rich, cheesy goodness in every bite. Then, add the breadcrumbs for a delightful crunch that contrasts beautifully with the creamy layers below. Make sure the toppings are evenly distributed for uniform browning.

Step 7: Bake the Gratin
Place the assembled gratin in the preheated oven and bake for 30–35 minutes. You’ll know it’s done when the top is golden brown and bubbling, creating an irresistible visual that signals deliciousness. Keep an eye on it as it bakes for that perfect finish.

Step 8: Cool and Serve
Once baked, remove the Sweet Potato & Cranberry Gratin from the oven and allow it to cool for about 10 minutes before serving. This resting time helps the layers set and makes for easier serving, ensuring that each scoop is filled with captivating flavors.

Expert Tips for Sweet Potato & Cranberry Gratin

Preheat Correctly: Ensure your oven is fully preheated to 375°F (190°C). This step is vital for achieving that perfect golden top and even cooking throughout the gratin.
Cut Evenly: Slice sweet potatoes into uniform rounds. This ensures they cook evenly and layer beautifully, avoiding any mushy spots in your Sweet Potato & Cranberry Gratin.
Check Tenderness: Before layering, make sure the sweet potatoes are fork-tender but not mushy. Overcooked potatoes can lead to a grainy texture; aim for that creamy softness.
Layer Thoughtfully: Distribute cranberries evenly between layers. This promotes a burst of tangy flavor in each bite, making every forkful a delightful experience.
Experiment with Cheese: Don’t hesitate to switch up the cheese type! Using different cheeses adds unique flavors to your gratin, allowing you to personalize the dish according to your family’s taste.

How to Store and Freeze Sweet Potato & Cranberry Gratin

Fridge: Store leftover Sweet Potato & Cranberry Gratin in an airtight container for up to 3 days. Let it cool completely before sealing to retain moisture.

Freezer: For long-term storage, freeze in an airtight container for up to 2 months. Thaw overnight in the fridge before reheating for best results.

Reheating: To reheat, preheat the oven to 350°F (175°C) and bake for about 20-25 minutes until heated through and the top is crispy again.

Make-Ahead Tip: Assemble your gratin a day in advance and keep it covered in the fridge until you’re ready to bake, ensuring a fresh and delightful side dish when you entertain.

What to Serve with Sweet Potato & Cranberry Gratin

When planning your next festive meal, consider these delightful pairings to elevate the experience and satisfaction of your guests.

Herb-Roasted Turkey: The succulent, savory notes of turkey perfectly balance the sweet and tart flavors of the gratin for a traditional holiday feast.
Garlic Green Beans: Fresh, crispy green beans sautéed with garlic lend a bright, crunchy counterpoint to the creamy, rich texture of the gratin.
Maple Glazed Carrots: The natural sweetness of carrots glazed in maple syrup enhances the sweetness of the sweet potato, creating a beautiful harmony on your plate.
Cranberry Sauce: A zesty homemade cranberry sauce adds a refreshing punch, with its acidity cutting through the dish’s richness and enhancing the festive spirit.
Toasted Walnut Salad: Crisp greens topped with toasted walnuts and a light vinaigrette bring a fresh crunch and nutty flavor complementing the gratin’s softness.
Red Wine: A glass of light-bodied red wine not only pairs well with the dish but also enhances the meal’s festive atmosphere, making every sip a celebration.
Homemade Pumpkin Pie: For dessert, a slice of creamy pumpkin pie rounds out the meal with warm spices, echoing flavors from the gratin in a sweet, comforting way.

Sweet Potato & Cranberry Gratin Variations

Feel inspired to put your own spin on this scrumptious dish, enhancing flavors and textures to your delight!

Butternut Squash: Substitute sweet potatoes with butternut squash for a sweeter, slightly nuttier flavor. It’s a perfect alternative that still maintains a creamy texture.
Vegan Delight: Use coconut cream and plant-based cheese to make this gratin entirely vegan. Your guests will love the rich taste without any dairy!
Gluten-Free Crunch: Swap regular breadcrumbs with gluten-free breadcrumbs or crushed nuts for a satisfying, crunchy topping that everyone can enjoy.
Maple Sweetness: Instead of brown sugar, drizzle in some maple syrup for a warm, autumnal flavor. It complements the sweet potatoes beautifully!
Nutmeg Infusion: Replace cinnamon with nutmeg for a different spice profile. This subtle twist brightens the dish and adds a comforting warmth.
Increase the Heat: Add a pinch of cayenne pepper or red pepper flakes for a spicy kick. It’s a delightful contrast to the sweetness of the sweet potatoes and cranberries.
Mix in Greens: Layer in some sautéed spinach or kale for added nutrition and a pop of color. It also introduces a lovely depth to every bite!
Layer with Cheese: Experiment with different cheeses like cheddar or mozzarella for varied flavors. Each cheese brings its unique richness to the gratin.

Explore these variations and let’s celebrate the holiday season together! If you’re looking for more delightful recipes, try my Sweet Potato Breakfast or Peanut Sweet Potato for added inspiration.

Make Ahead Options

These Sweet Potato & Cranberry Gratin are perfect for meal prep enthusiasts! You can assemble the entire dish up to 24 hours in advance by layering the sweet potatoes, cranberries, and cream mixture, ensuring to cover it tightly with plastic wrap to prevent any moisture loss. Alternatively, you can slice the sweet potatoes a day ahead and refrigerate them in water to avoid browning. When you’re ready to bake, simply sprinkle the cheese and breadcrumbs on top, then pop it in the preheated oven for about 30–35 minutes until golden and bubbly. This make-ahead strategy not only saves time on busy holiday days but also guarantees that your gratin will be just as delicious as if you had made it fresh!

Sweet Potato & Cranberry Gratin Recipe FAQs

What should I look for when selecting sweet potatoes?
Absolutely! When choosing sweet potatoes, look for ones that are firm and free of dark spots or blemishes. The skin should be smooth without any soft areas, indicating freshness. Ideally, you want them to be medium-sized, as these tend to have the best flavor and texture for the gratin.

How should I store leftovers of Sweet Potato & Cranberry Gratin?
For optimal freshness, refrigerate leftover Sweet Potato & Cranberry Gratin in an airtight container. It will stay tasty for up to 3 days. Be sure to let it cool completely before sealing to prevent moisture buildup which can affect texture.

Can I freeze Sweet Potato & Cranberry Gratin?
Yes, you can! To freeze, assemble the gratin but do not bake it. Cover it tightly with plastic wrap or foil and store in an airtight container for up to 2 months. When you’re ready to enjoy it, thaw it overnight in the fridge and then bake as directed. This method helps preserve flavor and texture beautifully.

What if my sweet potatoes are mushy after boiling?
No worries! If your sweet potatoes become too mushy during boiling, you can still salvage your dish. Simply allow the cut sweet potatoes to cool and drain well. Layer them gently to maintain some structure. Additionally, avoid overcrowding in the pot next time to ensure even cooking.

Are there any dietary considerations for this dish?
Very much so! The Sweet Potato & Cranberry Gratin can easily be made vegan by substituting heavy cream with coconut cream and using a plant-based cheese alternative. If you’re catering to gluten-free friends, just opt for gluten-free breadcrumbs instead of regular ones. This way everyone can savor this delightful side!

How can I revitalize the gratin when reheating?
To reheat your Sweet Potato & Cranberry Gratin and bring back its fresh-baked goodness, preheat your oven to 350°F (175°C). Place the gratin in a covered dish for about 15 minutes, then uncover and bake for an additional 10-15 minutes until the top is crispy again. This method ensures that you enjoy every layer just as you did on the first serving!