Sweet Potato & Cranberry Gratin

If you’re searching for a dish that perfectly balances sweet and savory with a festive touch, look no further than the Sweet Potato & Cranberry Gratin. This recipe combines creamy layers of tender sweet potatoes with tart cranberries, baked under a golden, crispy topping that’s irresistible. Ideal for holiday dinners or cozy family meals, this gratin bursts with vibrant flavors and textures that will delight every palate at the table.

Why You’ll Love This Recipe

• Balanced flavors: The sweetness of the potatoes pairs beautifully with the tartness of cranberries, creating a harmonious taste experience.
• Comfort food with a twist: This gratin elevates traditional potato dishes with colorful fruit and a crunchy topping.
• Easy to prepare: Simple ingredients and straightforward steps make it accessible for cooks of all skill levels.
• Perfect for gatherings: Whether it’s Thanksgiving, Christmas, or a family dinner, this dish impresses while remaining comforting.
• Vibrant presentation: The bright orange and red hues add a festive flair to your holiday table.

Ingredients You’ll Need

Each ingredient in this Sweet Potato & Cranberry Gratin has a role in building layers of flavor and texture. From the creamy sweet potatoes to the tart cranberries, everything works together for a delightful dish.

• Sweet potatoes: Use firm, fresh sweet potatoes as the star base for a creamy and naturally sweet flavor.
• Dried cranberries: These add a tangy contrast and chewy texture that balance the richness of the potatoes.
• Heavy cream: Provides richness and helps to create the creamy layers between the potatoes.
• Grated Gruyère or sharp cheddar cheese: A sharp, melting cheese gives the gratin its golden, bubbly crust and enhances savoriness.
• Fresh thyme: Adds a subtle herbal note that brightens the dish without overpowering it.
• Butter: Used to dot the top for browning and extra flavor.
• Salt and pepper: Essential seasonings to enhance all the natural flavors.
• Minced garlic: Infuses a gentle aromatic base that complements both the sweet and tart elements.

Variations for Sweet Potato & Cranberry Gratin

This Sweet Potato & Cranberry Gratin is wonderfully adaptable, allowing you to put your own personal spin on it according to what you have on hand or dietary preferences.

• Nutty crunch: Sprinkle toasted pecans or walnuts on top for an added crunchy texture and nutty flavor.
• Vegan version: Substitute heavy cream with coconut cream and use a dairy-free cheese alternative.
• Spiced twist: Add a pinch of cinnamon or nutmeg to enhance the autumnal vibes and warmth.
• Fresh cranberry swap: Use fresh cranberries instead of dried for a juicier, more tart bite.
• Herb variations: Try rosemary or sage instead of thyme for a different herbal note that pairs beautifully with sweet potatoes.

How to Make Sweet Potato & Cranberry Gratin

Step 1: Prepare the sweet potatoes

Peel and thinly slice the sweet potatoes evenly, about 1/8 inch thick. Uniform slices ensure even baking and create the perfect layered texture.

Step 2: Mix the creamy base

In a mixing bowl, combine heavy cream, minced garlic, fresh thyme leaves, salt, and pepper. This mixture will soak into the sweet potatoes, infusing them with rich flavor as they bake.

Step 3: Layer the gratin

In a buttered baking dish, arrange a layer of sliced sweet potatoes, followed by a sprinkling of dried cranberries, then a dash of the creamy mixture and grated cheese. Repeat until all components are used, finishing with a generous layer of cheese on top.

Step 4: Add butter and bake

Dot the top with small pieces of butter to encourage browning and flavor development. Bake the gratin in a preheated oven at 375°F (190°C) for about 45-50 minutes, until the top is golden and bubbling and the potatoes are tender when pierced with a fork.

Step 5: Rest before serving

Let the gratin cool slightly out of the oven for 10 minutes to allow it to set, making it easier to serve and enhancing flavors.

Pro Tips for Making Sweet Potato & Cranberry Gratin

• Slice potatoes thinly: Thin, even slices ensure the gratin cooks evenly and creates a smooth texture.
• Use room-temperature ingredients: This helps the cream and butter blend better and enhances even cooking.
• Don’t skimp on cheese: A generous amount creates that perfect golden crust everyone loves in a gratin.
• Cover during baking initially: Cover the dish loosely with foil for the first 30 minutes to prevent the top from burning while the potatoes cook through.
• Allow to rest: Resting thickens the gratin so it slices cleanly and holds together on the plate.

How to Serve Sweet Potato & Cranberry Gratin

Garnishes

Top the gratin with fresh thyme sprigs or a light dusting of chopped nuts for a fresh and textural finish that enhances the festive vibe.

Side Dishes

Pair this rich and flavorful gratin with roasted turkey, grilled chicken, or a vibrant green salad for a balanced meal.

Creative Ways to Present

Serve in individual ramekins for elegant single portions, or offer it family-style in a rustic casserole dish surrounded by fresh cranberries and herbs for a stunning holiday centerpiece.

Make Ahead and Storage

Storing Leftovers

Cool the Sweet Potato & Cranberry Gratin completely before covering and refrigerating for up to 3 days, keeping flavors fresh and textures intact.

Freezing

This gratin freezes well; wrap tightly with plastic wrap and foil before freezing. Thaw overnight in the fridge and reheat gently in the oven to restore its creamy texture.

Reheating

Reheat leftovers at 350°F (175°C) for 15-20 minutes until warmed through and the top regains some crispness—avoid microwaving to keep the texture delicious.

FAQs

Can I use fresh cranberries instead of dried?

Absolutely! Fresh cranberries add a juicier, tart burst, but you may want to add a little sugar to balance their natural acidity.

Is this recipe gluten-free?

Yes, the Sweet Potato & Cranberry Gratin is naturally gluten-free, but always check your cheese and other packaged ingredients for any additives if allergies are a concern.

Can I prepare this dish vegan?

Yes, substitute heavy cream with coconut cream or another plant-based cream, and choose vegan cheese to make it friendly for a vegan diet.

How long does the gratin keep after baking?

When stored properly in the refrigerator, it will keep well for up to 3 days, making it great for meal prep or leftovers.

What can I use if I don’t have Gruyère cheese?

Sharp cheddar, fontina, or even a mild parmesan are excellent alternatives that will melt nicely and provide great flavor.

Final Thoughts

Don’t hesitate to bring this Sweet Potato & Cranberry Gratin to your next festive meal or family dinner. Its blend of creamy sweetness and tangy cranberry with a crispy cheesy topping is sure to become a favorite, making every bite feel like a little celebration. Give it a try—you might just find your new go-to comfort dish!

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