The aroma of sweet potatoes and cranberries fills my kitchen, transporting me to cozy holiday gatherings filled with warmth and laughter. As I layer those vibrant, colorful slices for my Sweet Potato & Cranberry Gratin, I can already picture it stealing the spotlight on the table. This dish isn’t just a feast for the eyes; it’s a deliciously comforting side that’s incredibly easy to whip up, making it perfect for any busy host. With a baking time that’s quick and hassle-free, this gratin allows you to savor the festive spirit without sweating over the stove. Plus, it’s versatile enough to cater to everyone—vegan or gluten-free friends included! So, why not make this year’s holiday meal one to remember with this delightful addition? Ready to share a slice of holiday magic?

Why choose Sweet Potato & Cranberry Gratin?
Simplicity at Its Finest: The ease of preparation means you can quickly throw this dish together, leaving you more time to enjoy the festivities.
Vibrant Flavor Combo: The blend of sweet potatoes and tart cranberries creates a beautiful balance that will have your taste buds singing.
Versatile Options: Whether you’re catering to vegan, gluten-free, or cheese-loving guests, this recipe has you covered with simple substitutions. You can even explore delicious alternatives like Asian Chicken Cranberry or treat your guests with Cranberry Orange White.
Perfect for Gatherings: This gratin is sure to be a crowd-pleaser, serving as a delightful complement to your holiday spread, whether it’s alongside a Slow Braised Glaze or a warm slice of Collard Green Gratin.
Make-Ahead Wonder: Prepare it in advance to decrease stress on the big day—just pop it in the oven before serving.
Sweet Potato & Cranberry Gratin Ingredients
For the Gratin
• Sweet Potatoes – Offers a natural sweetness and creamy texture; make sure to peel and slice them thinly for even cooking.
• Cranberries – Bring a tart burst of flavor that complements sweet potatoes; you can use fresh or thawed frozen cranberries for convenience.
• Heavy Cream – Adds richness and creaminess; for a vegan option, substitute with coconut cream.
• Brown Sugar – Enhances the dish’s sweetness; feel free to adjust based on your preference.
• Cinnamon – Provides a warm, comforting flavor that elevates the dish.
• Salt – Essential for enhancing all the flavors in the gratin.
• Pepper – A subtle hint of spice that balances the sweetness perfectly.
• Gruyère Cheese – Delivers creamy richness and forms a golden crust; cheddar or mozzarella work as tasty substitutes.
• Breadcrumbs – Adds a crispy topping; switch to gluten-free breadcrumbs to accommodate dietary needs.
Step‑by‑Step Instructions for Sweet Potato & Cranberry Gratin
Step 1: Preheat Oven
Begin your delicious journey by preheating your oven to 375°F (190°C). This temperature ensures that your Sweet Potato & Cranberry Gratin cooks evenly, allowing the flavors to meld beautifully while creating that irresistible golden topping. Set your timer as this will create the perfect cozy atmosphere in your kitchen!
Step 2: Prepare Sweet Potatoes
Peel and slice the sweet potatoes into even thin rounds for uniform cooking. In a large pot, bring water to a boil and add the sweet potato slices; cook for 10-15 minutes until they are just tender enough to pierce with a fork. Drain them well, and set aside to cool slightly while you assemble the layers.
Step 3: Layer Ingredients
Grease a generous baking dish with butter or cooking spray, then start layering half of the cooked sweet potatoes evenly on the bottom. Sprinkle half of the tart cranberries over the sweet potatoes, creating a beautiful contrast. Each layer should be slightly overlapping for even distribution and optimal flavor in every bite.
Step 4: Cream Mixture
In a mixing bowl, combine heavy cream, brown sugar, cinnamon, salt, and pepper until well blended. The mixture should be smooth and fragrant, filling the air with holiday warmth. Pour half of this creamy concoction over the layered sweet potatoes and cranberries, making sure to drizzle it evenly across the layers.
Step 5: Repeat Layers
Add the remaining slices of sweet potatoes on top of the first layer, pressing them gently but firmly. Follow with the rest of the cranberries, ensuring every bite has that delightful burst of flavor. Finally, pour the remaining cream mixture over the top, allowing it to seep through and bind the layers beautifully.
Step 6: Top with Cheese and Breadcrumbs
Sprinkle a generous amount of shredded Gruyère cheese over your Sweet Potato & Cranberry Gratin, which will provide a rich and creamy top. Follow this with a layer of breadcrumbs for that extra crunch. This topping will turn golden and crispy as it bakes, adding beautiful texture to your dish.
Step 7: Bake
Carefully place the baking dish in the preheated oven and bake for 30-35 minutes. Keep an eye on it; you want the top to be golden brown and bubbly, indicating that your Sweet Potato & Cranberry Gratin is perfectly cooked. The aroma will fill your kitchen, making it hard to resist!
Step 8: Cool and Serve
Once baked, remove the dish from the oven and allow it to cool slightly for about 5-10 minutes before serving. This resting period lets the gratin set, ensuring easy serving without losing its shape. Your festive Sweet Potato & Cranberry Gratin is now ready to impress your friends and family!

How to Store and Freeze Sweet Potato & Cranberry Gratin
Fridge: Allow any leftovers to cool completely before storing in an airtight container. It can last in the fridge for up to 3 days, ideal for enjoying the delicious flavors again.
Freezer: For longer storage, freeze the gratin in a tightly sealed container or freezer bag. It can be safely frozen for up to 3 months. Thaw overnight in the refrigerator before reheating.
Reheating: To reheat, place the gratin in the oven at 350°F (175°C) for about 20-25 minutes or until heated through. This helps retain the crispy topping while warming the creamy layers of your Sweet Potato & Cranberry Gratin.
Expert Tips for Sweet Potato & Cranberry Gratin
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Tender Sweet Potatoes: Ensure your sweet potatoes are tender after boiling for even layering and cooking. Overcooking can lead to mushiness.
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Cranberry Preparation: If using frozen cranberries, thaw and drain them beforehand. This prevents excess moisture that can make the gratin watery.
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Gluten-Free Options: Double-check that your breadcrumbs are gluten-free. Many store-bought breadcrumbs contain gluten, so make a homemade version if needed.
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Creamy Substitutions: To keep it vegan, coconut cream works beautifully in place of heavy cream, providing that same luscious texture without dairy.
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Cooling Time: Remember to let the gratin cool for 5-10 minutes after baking to set properly, making it easier to serve. Enjoy your delicious Sweet Potato & Cranberry Gratin!
What to Serve with Sweet Potato & Cranberry Gratin
Complement this festive dish with delights that enhance its rich flavors and festive spirit.
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Roasted Brussels Sprouts: These caramelized veggie gems add a delightful crunch and earthiness that pairs beautifully with the sweetness of the gratin.
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Savory Green Beans Almondine: The bright, fresh taste of green beans with a hint of lemon and buttery almonds creates a refreshing balance to the rich gratin.
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Cranberry Walnut Salad: A refreshing salad with tart cranberries and crunchy walnuts introduces a tangy contrast, elevating the overall meal experience. Tossed with a light vinaigrette, it brings life to your holiday spread.
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Herb-Roasted Turkey: A classic holiday dish, juicy turkey complements the sweet, creamy gratin, making the meal feel extra special and festive.
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Sweet Cornbread Muffins: Fluffy and slightly sweet cornbread adds a warm, comforting element, making each bite a delightful combination alongside the rich flavors of the gratin.
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Pumpkin Pie Cocktail: Enjoy this seasonal drink with warm spices to echo the flavors in your dish, infusing the table with cozy holiday cheer.
Each pairing elevates your holiday feast and transforms your table into a gathering of warmth and joy!
Sweet Potato & Cranberry Gratin Variations
Feel free to explore these delicious twists and substitutions that will make this gratin uniquely yours!
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Vegan Option: Swap heavy cream for coconut cream and omit cheese, or use a vegan cheese alternative for creaminess.
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Gluten-Free Crunch: Replace traditional breadcrumbs with gluten-free breadcrumbs or crushed gluten-free crackers for a satisfying texture without gluten.
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Cheese Swap: Use cheddar or mozzarella instead of Gruyère for a different flavor profile—each cheese will lend a unique character to your gratin.
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Herb Infusion: Add fresh herbs like thyme or rosemary in between the layers for an aromatic boost that elevates the flavors beautifully.
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Nutty Twist: Sprinkle chopped pecans or walnuts on top for an added crunch and nutty flavor that pairs perfectly with sweet potatoes and cranberries.
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Spicy Kick: For those who crave a little heat, mix in thinly sliced jalapeños or a pinch of red pepper flakes to elevate your gratin’s flavor profile.
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Extra Sweetness: Drizzle a little maple syrup or honey over the top before baking for an added layer of sweetness that complements the cranberries perfectly.
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Fruit Blend: Mix in diced apples or pears along with the cranberries for a delightful fruity twist that adds more texture and flavor to the dish.
With so many options, your Sweet Potato & Cranberry Gratin can become a personalized masterpiece, making it a memorable dish for any holiday gathering!
Make Ahead Options
These Sweet Potato & Cranberry Gratin are perfect for busy home cooks looking to save time! You can prepare the sweet potatoes and layer them with cranberries and cream up to 24 hours in advance; simply refrigerate the assembled dish tightly covered. To maintain quality, ensure the cream mixture is well-distributed and drizzle a little extra cream on top before baking to prevent drying. On the day of serving, preheat your oven and bake the gratin straight from the refrigerator for 30-35 minutes until golden brown and bubbly. This makes it incredibly easy to impress your guests with minimal last-minute fuss while enjoying your holiday festivities!

Sweet Potato & Cranberry Gratin Recipe FAQs
How do I select ripe sweet potatoes for my gratin?
Look for sweet potatoes that are firm and have smooth skin. Avoid those with dark spots or blemishes. A good sweet potato should be relatively heavy for its size, indicating moisture and freshness.
What is the best way to store leftover Sweet Potato & Cranberry Gratin?
Allow the gratin to cool completely before transferring it to an airtight container. Stored this way, it can last in the refrigerator for up to 3 days. Be sure to reheat it gently to maintain its creamy texture.
Can I freeze Sweet Potato & Cranberry Gratin, and how?
Absolutely! To freeze your gratin, allow it to cool completely. Then, wrap it tightly in plastic wrap and place it in a freezer-safe container or a resealable freezer bag. It can be frozen for up to 3 months. To reheat, thaw it overnight in the refrigerator and then bake at 350°F (175°C) for about 20-25 minutes until heated through.
What should I do if my gratin is too watery?
If you find your gratin is watery, it may be due to excess moisture in the cranberries or overcooked sweet potatoes. To fix this, try draining off any excess liquid before serving, or add a bit of cornstarch mixed with water to the mixture before baking to help thicken it.
Is this gratin suitable for someone with gluten allergies?
Yes! To ensure your Sweet Potato & Cranberry Gratin is gluten-free, simply use gluten-free breadcrumbs in place of regular ones. Many brands offer gluten-free options that provide the same delightful crunch without compromising flavor.

Sweet Potato & Cranberry Gratin for a Cozy Holiday Feast
Ingredients
Equipment
Method
- Preheat your oven to 375°F (190°C).
- Peel and slice the sweet potatoes, then boil them in water for 10-15 minutes until just tender.
- Grease a baking dish and layer half of the cooked sweet potatoes followed by half of the cranberries.
- In a bowl, mix the heavy cream, brown sugar, cinnamon, salt, and pepper, then pour half over the first layer.
- Layer the remaining sweet potatoes and cranberries, then pour the rest of the cream mixture on top.
- Sprinkle Gruyère cheese and breadcrumbs over the top.
- Bake for 30-35 minutes until golden brown and bubbly.
- Allow the dish to cool for 5-10 minutes before serving.

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