The holiday season brings a flurry of flavors and cheerful gatherings, and what better way to celebrate than with a Sweet Potato & Cranberry Gratin? This stunning dish might just become your new go-to for every festive table setting. The first time I prepared it, my kitchen was filled with the warm scent of cinnamon mingling with the zesty pop of cranberries. The combination of creamy sweet potatoes and bright cranberries creates a delightful contrast that not only pleases the palate but is also easy on the eyes.
Picture this: layers of tender sweet potatoes kissed with a hint of brown sugar and cinnamon, interspersed with tart cranberries, and topped with a golden crust of melted cheese and crispy breadcrumbs! It’s an elegant yet comforting side that leaves an impression, all while being quick enough to prepare during those bustling holiday weeks. Trust me, this dish will have your family coming back for seconds — and begging for the recipe! Whether you’re hosting a holiday feast or simply want to add a special touch to your everyday meals, this vegetarian gratin checks all the boxes. Let’s dive into creating this festive masterpiece!
Why is Sweet Potato & Cranberry Gratin a Must-Try?
Deliciously Balanced: The sweet potatoes provide a comforting richness, while cranberries offer a zingy burst of flavor.
Easy to Prepare: With straightforward steps, this gratin comes together quickly—perfect for busy holiday cooks!
Versatile Options: Recipes can be tailored for vegan and gluten-free preferences, ensuring everyone at the table can indulge.
Visually Stunning: This dish isn’t just tasty; its layered, colorful presentation is sure to impress your guests.
Crowd-Pleaser: Whether served as a side dish or the star of a vegetarian meal, it’s bound to be a hit among family and friends.
Sweet Potato & Cranberry Gratin Ingredients
For the Gratin
• Sweet Potatoes – These tender gems are the backbone of your dish, offering a luscious sweetness; can be prepared in advance and stored overnight before baking.
• Fresh Cranberries – Their tartness creates a delightful contrast to the sweet potatoes; frozen cranberries can be used if thawed and drained.
• Heavy Cream – This creamy ingredient binds the layers together beautifully; for a vegan alternative, use coconut cream instead.
• Brown Sugar – Enhances the overall sweetness and balances the tartness of the cranberries.
• Cinnamon – Adds a warm, cozy flavor that complements the sweet potatoes perfectly.
• Salt & Pepper – Essential for elevating the dish’s overall flavor profile.
• Gruyère Cheese – Offers a rich, melty finish; consider cheddar or mozzarella for a milder taste, or feta for a tangy twist.
• Breadcrumbs – Provides that coveted crispy topping; gluten-free breadcrumbs or ground nuts can be used as an alternative.
Get ready to create a stunning Sweet Potato & Cranberry Gratin that will impress your guests and become a beloved dish at your holiday table!
How to Make Sweet Potato & Cranberry Gratin
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Preheat your oven to 375°F (190°C), setting the stage for that golden, bubbly gratin to come. A well-preheated oven ensures even baking and perfect texture.
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Prepare the sweet potatoes by peeling and slicing them into thin rounds. Boil in water for 10-15 minutes, until tender yet still firm enough to hold their shape.
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Layer half of the sweet potatoes in a greased baking dish, arranging them slightly overlapping for a beautiful presentation. This will create a solid foundation for your layers.
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Sprinkle half of the cranberries over the sweet potato layer, adding a vibrant pop of color and tartness to your dish, which contrasts perfectly with the earthy sweetness.
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Mix together heavy cream, brown sugar, cinnamon, salt, and pepper in a bowl. Pour half of this luscious mixture over the layered sweet potatoes and cranberries, infusing incredible flavor throughout.
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Repeat layering by adding the remaining sweet potatoes and cranberries, then pouring the rest of the cream mixture on top. This ensures every layer is dripping with flavor!
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Top your creation with shredded Gruyère cheese and a generous sprinkle of breadcrumbs, which will form a golden, crispy crust while baking.
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Bake for 30-35 minutes, or until the top is golden brown and bubbly. Allow cooling briefly to help the layers set before serving, making for easier slicing.
Optional: Drizzle with a little honey before serving for an extra touch of sweetness.
Exact quantities are listed in the recipe card below.
Expert Tips for Sweet Potato & Cranberry Gratin
• Prep Ahead: Prepare the gratin a day in advance; just assemble, refrigerate, and bake fresh when ready to serve.
• Watch the Browning: Keep an eye on the gratin while baking to ensure it doesn’t brown too quickly. If it does, gently cover with foil.
• Layer with Care: For the best flavor, ensure even distribution of ingredients in each layer; this enhances taste and presentation of the Sweet Potato & Cranberry Gratin.
• Cool Briefly: Allow the gratin to cool for a few minutes after baking; this helps the layers settle and makes serving easier.
• Experiment with Fruit: For a unique twist, swap cranberries for pears or apples; this adds creativity to your Sweet Potato & Cranberry Gratin while maintaining balance.
What to Serve with Sweet Potato & Cranberry Gratin?
Imagine your loved ones gathering around a table filled with comforting, hearty dishes that dance in harmony with each other.
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Roasted Brussels Sprouts: The nutty flavors and crispy texture bring an earthy balance, making for a perfect companion to the creamy gratin.
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Maple-Glazed Carrots: Their natural sweetness enhances the dish, adding vibrant color and a lovely contrast to the tart cranberries.
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Wild Rice Salad: A mix of chewy grains, nuts, and bright herbs pairs beautifully, providing a refreshing and textural contrast to the rich gratin.
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Herb-Crusted Bread: A crusty bread not only complements the creamy texture but also invites you to scoop up every delicious bite.
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Cranberry Sauce: For a festive touch, serve alongside a homemade or store-bought cranberry sauce, emphasizing that tart flavor profile in the gratin.
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Spiced Apple Cider: This warm, aromatic drink enhances the holiday spirit with its fragrant spices, creating a cozy atmosphere for your meal.
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Pumpkin Pie: End the feast with this classic dessert; its spices and sweetness echo the flavors in the gratin, leaving guests with delightful lingering memories.
Each pairing enhances the experience, ensuring your Sweet Potato & Cranberry Gratin shines at your holiday gathering.
Sweet Potato & Cranberry Gratin Variations
Customize your Sweet Potato & Cranberry Gratin to suit your taste and dietary needs with these fun twists!
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Vegan Option: Replace heavy cream with blended silken tofu or coconut cream for a creamy, plant-based delight.
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Gluten-Free Crunch: Swap traditional breadcrumbs for gluten-free breadcrumbs or finely ground nuts, providing a satisfying crunch without the gluten.
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Cheese Choices: Experiment with different cheeses like sharp cheddar for a tangy bite or feta for a uniquely salty twist that brightens the flavors.
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Fruity Flavors: Try substituting cranberries with slices of tart apples or pears for a sweet twist that enhances the dish’s fruitiness.
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Herb Infused: Mix fresh herbs like rosemary or thyme into the layers for an aromatic uplift that works wonders during the holidays.
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Spicy Kick: Add a pinch of cayenne pepper or crushed red pepper flakes for a subtle heat that beautifully contrasts the sweetness.
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Maple Sweetener: Use maple syrup instead of brown sugar to bring an earthy touch of sweetness that complements the flavors beautifully.
Feel inspired to create your own version of this classic dish, making it perfectly suited for your gathering or dinner table!
Make Ahead Options
These Sweet Potato & Cranberry Gratin are perfect for busy weeknights! You can prep the entire dish up to 24 hours in advance by assembling it and storing it covered in the refrigerator until you’re ready to bake. Start by following the recipe instructions to layer the sweet potatoes and cranberries, then pour the cream mixture on top. Be sure to cover it tightly with plastic wrap to maintain moisture and flavor. When you’re ready to serve, simply remove the plastic wrap and bake as directed! This approach saves you time, allowing you to enjoy a delicious, homemade side dish with minimal effort. Your guests will love it just as much as if you made it that day!
How to Store and Freeze Sweet Potato & Cranberry Gratin
Fridge: Store leftovers in an airtight container for up to 3 days. This keeps the flavors intact and the gratin fresh, allowing you to savor the delightful taste later.
Freezer: You can freeze the gratin for up to 2 months. Make sure to cool it completely, then wrap it tightly in plastic wrap and foil to prevent freezer burn.
Reheating: For best results, reheat in a preheated oven at 350°F (175°C) for about 20-25 minutes until heated through. Alternatively, microwave on medium power until warm, taking care not to dry it out.
Make-Ahead Tips: To save time, assemble the Sweet Potato & Cranberry Gratin a day in advance, cover it, and refrigerate. Just pop it in the oven when you’re ready!
Sweet Potato & Cranberry Gratin Recipe FAQs
What is the best way to select sweet potatoes for this recipe?
When choosing sweet potatoes, look for those that are firm and free from dark spots or blemishes. A sweet potato should feel heavy for its size and have smooth, unwrinkled skin. If you notice any soft spots, it’s best to steer clear as they may affect the texture of your gratin.
How should I store leftovers of the Sweet Potato & Cranberry Gratin?
Store any leftovers in an airtight container in the fridge for up to 3 days. Make sure it’s completely cooled before sealing to keep those delightful flavors intact, and when you’re ready to enjoy it again, simply reheat in the oven for the best results.
Can I freeze Sweet Potato & Cranberry Gratin?
Absolutely! To freeze, allow the gratin to cool completely. Then, wrap it tightly in plastic wrap followed by a layer of aluminum foil to prevent freezer burn. It can be stored in the freezer for up to 2 months. When you’re ready to serve it, thaw overnight in the fridge and reheat in the oven at 350°F (175°C) for 20-25 minutes or until warmed through.
What if my gratin browns too quickly while baking?
If you find the top of your Sweet Potato & Cranberry Gratin is browning faster than expected, simply cover it loosely with aluminum foil. This will shield the surface from direct heat while allowing the inside to cook thoroughly, achieving that perfect golden crust without burning.
Are there any dietary considerations for pets or allergies with this recipe?
Yes! If you’re preparing this gratin for guests with food allergies, it’s important to note that the dish contains dairy in the form of heavy cream and cheese, which may not be suitable for those with lactose intolerance. For pets, sweet potatoes are generally safe for dogs but should be served without added cheeses or seasonings. Always consult with your veterinarian regarding specific dietary restrictions or allergies for pets.
What can I substitute for heavy cream in the Sweet Potato & Cranberry Gratin?
If you’re looking for a vegan or lighter alternative, coconut cream works beautifully, providing a rich texture without dairy. Alternatively, you can use blended silken tofu for a lower-fat option that still maintains a creamy consistency. Just blend until smooth and mix in your spices to infuse flavor!

Sweet Potato & Cranberry Gratin: Your Go-To Holiday Side Dish
Ingredients
Equipment
Method
- Preheat your oven to 375°F (190°C).
- Prepare the sweet potatoes by peeling and slicing them into thin rounds. Boil in water for 10-15 minutes, until tender yet still firm enough to hold their shape.
- Layer half of the sweet potatoes in a greased baking dish, arranging them slightly overlapping.
- Sprinkle half of the cranberries over the sweet potato layer.
- Mix together heavy cream, brown sugar, cinnamon, salt, and pepper in a bowl. Pour half of this mixture over the layered sweet potatoes and cranberries.
- Repeat layering with the remaining sweet potatoes and cranberries, pouring the rest of the cream mixture on top.
- Top with shredded Gruyère cheese and breadcrumbs.
- Bake for 30-35 minutes, or until the top is golden brown and bubbly. Allow cooling briefly before serving.







