There’s something magical about the combination of sweet potatoes and cranberries that always takes me back to cozy family gatherings. I can still picture my grandmother in her kitchen, a whirlwind of laughter and warmth, pulling her famous Sweet Potato & Cranberry Gratin out of the oven. The sweet, earthy aroma would fill the air, drawing everyone to the table like moths to a flame. It became a staple at our holiday feasts, a dish that brought us together and sparked joy with each creamy, cheesy bite.
This Sweet Potato & Cranberry Gratin is not just a side dish; it’s a celebration of flavors that meld beautifully, making it perfect for fall evenings or festive occasions. The sweet potatoes provide a comforting base, while the tart cranberries add a pop of brightness. Trust me, once you serve this delightful gratin, it’ll become a cherished recipe in your home, too!
Why You’ll Love "Sweet Potato & Cranberry Gratin"
- Quick prep time of just 20 minutes, making it perfect for busy days.
- Minimal ingredients that pack a punch of flavor and comfort.
- This dish is family-friendly and appeals to both kids and adults alike.
- It’s freezer-friendly, so you can make it ahead of time and save it for later.
- Rich and creamy texture with a delightful crunch on top from the breadcrumbs.
- Perfect for holiday gatherings, potlucks, or cozy weeknight dinners.
Ingredients You’ll Need
- 2 pounds sweet potatoes, peeled and sliced into ¼-inch rounds for even cooking.
- 1 cup fresh cranberries, rinsed and sorted to remove any that are soft or wrinkled.
- 1 cup heavy cream, use a high-quality brand for the creamiest texture.
- 1 cup shredded Gruyère cheese, feel free to substitute with sharp cheddar or mozzarella if preferred.
- ½ cup breadcrumbs, I love using panko for an extra crispy topping.
- ¼ cup brown sugar, packed tightly for sweetness that balances the tart cranberries.
- 1 teaspoon cinnamon, freshly ground if possible for a warm flavor boost.
- Salt and pepper to taste, don't be shy, these enhance all the flavors!
Step-by-Step Instructions
Preheat the Oven
- Preheat your oven to 375°F (190°C). This is the perfect temperature for creating that golden, bubbly top we all love.
Layer the Sweet Potatoes
- Grab a greased baking dish — about 9x13 inches works great.
- Layer half of the sweet potato slices neatly in the bottom of the dish, overlapping slightly for even cooking.
Add the Cranberries
- Spread half of the fresh cranberries evenly over the layer of sweet potatoes. This adds a beautiful pop of color and flavor!
Prepare the Cream Mixture
- In a mixing bowl, combine the heavy cream, brown sugar, cinnamon, salt, and pepper. Whisk it all together until it's smooth and creamy.
- Pour half of this delicious cream mixture over the sweet potato and cranberry layers, making sure to cover them evenly.
Repeat the Layers
- Now, it’s time to repeat the process! Layer the remaining sweet potato slices on top of the first layer, followed by the rest of the cranberries.
- Pour the remaining cream mixture over this second layer, ensuring everything is well coated.
Top and Bake
- Sprinkle the shredded Gruyère cheese generously over the top. Then, add the breadcrumbs for that lovely crunch.
- Pop the dish into your preheated oven and bake for about 45 minutes. Look for a golden-brown top and a bubbly filling — that’s when you know it’s ready!
- Once baked, let it cool for a few minutes before serving. This will help everything set a bit and make serving easier.

Variations
- For a dairy-free version, substitute heavy cream with coconut cream and use a dairy-free cheese.
- Add cooked and crumbled sausage or bacon for a savory twist that pairs beautifully with the sweetness.
- Try adding a layer of caramelized onions for extra depth of flavor.
- Mix in some chopped nuts like pecans or walnuts for added crunch and nuttiness.
- Incorporate seasonal spices like nutmeg or ginger for a delightful seasonal touch.
Serving and Storage Tips
Serving
For the best presentation, serve the Sweet Potato & Cranberry Gratin warm from the oven, garnished with a sprinkle of fresh herbs like parsley or thyme. Pair it with roasted meats or a simple green salad to balance the richness. This dish is perfect for sharing, so let everyone scoop their own portion for a cozy, family-style meal.
Storage
Leftovers can be stored in an airtight container in the fridge for up to 3 days. To reheat, simply pop it in the oven at 350°F (175°C) until warmed through. If you want to freeze it, wrap portions tightly in plastic wrap and aluminum foil, and it will last for about 2 months. Just thaw in the fridge before reheating!
Helpful Notes
- If you prefer a lighter version, use half-and-half instead of heavy cream.
- Feel free to swap the brown sugar for maple syrup for a different sweetness profile.
- For a nut-free version, skip the nuts and focus on the creamy texture.
- Consider adding a sprinkle of nutmeg with the cinnamon for extra warmth.
- Using organic sweet potatoes and cranberries can enhance the flavor and nutrition!
Frequently Asked Questions
Can I freeze Sweet Potato & Cranberry Gratin?
Yes, you can freeze the Sweet Potato & Cranberry Gratin! Just make sure to let it cool completely before wrapping it tightly in plastic wrap and then aluminum foil. It can be stored in the freezer for up to 2 months. When you’re ready to enjoy it, thaw it in the fridge overnight and then reheat in the oven.
What can I substitute for Gruyère cheese?
If you don't have Gruyère cheese on hand, you can substitute it with sharp cheddar, mozzarella, or even fontina cheese. Each will give the dish a slightly different flavor but will still be delicious in this gratin.
How long does it take to bake the gratin?
The Sweet Potato & Cranberry Gratin takes about 45 minutes to bake at 375°F (190°C). You'll know it’s done when the top is golden brown and the filling is bubbly. If you want to double-check, you can insert a knife into the center; it should go in easily.
Final Thoughts
Cooking is such a beautiful way to create memories, and I truly hope you give this Sweet Potato & Cranberry Gratin a try. It’s more than just a dish; it’s an invitation to gather around the table, share laughter, and enjoy the simple pleasures of good food and great company. Remember, don’t stress about perfection; embrace the chaos and the joy that comes with cooking. I promise this gratin will warm your heart and fill your home with delightful aromas. Happy cooking, and may every bite be a moment to cherish!
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Sweet Potato & Cranberry Gratin
- Total Time: 1 hour 5 minutes
- Yield: 6 servings 1x
- Diet: Vegetarian
Description
A creamy and flavorful sweet potato and cranberry gratin.
Ingredients
- 2 pounds sweet potatoes, peeled and sliced
- 1 cup fresh cranberries
- 1 cup heavy cream
- 1 cup shredded Gruyère cheese
- ½ cup breadcrumbs
- ¼ cup brown sugar
- 1 teaspoon cinnamon
- Salt and pepper to taste
Instructions
- Preheat your oven to 375°F (190°C).
- Layer half of the sweet potatoes in a greased baking dish.
- Spread half of the cranberries over the sweet potatoes.
- In a bowl, mix heavy cream, brown sugar, cinnamon, salt, and pepper.
- Pour half of the cream mixture over the layers.
- Repeat the layers with the remaining sweet potatoes, cranberries, and cream mixture.
- Top with shredded Gruyère cheese and breadcrumbs.
- Bake for 45 minutes or until the top is golden brown.
Notes
- Let it cool for a few minutes before serving.
- You can substitute Gruyère cheese with another type of cheese.
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Category: Side Dish
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 350
- Sugar: 12g
- Sodium: 250mg
- Fat: 20g
- Saturated Fat: 10g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 40g
- Fiber: 5g
- Protein: 8g
- Cholesterol: 50mg
Keywords: Sweet Potato, Cranberry, Gratin






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