Why Make This Recipe
Sweet Potato Cranberry Gratin is a dish that combines the creamy sweetness of sweet potatoes with the tartness of cranberries. This comforting side dish is perfect for any holiday gathering or family meal. It offers a unique twist on traditional gratin recipes and adds a burst of color to your table. Plus, it’s an excellent way to boost your vegetable intake while still enjoying something delicious!
How to Make Sweet Potato Cranberry Gratin
Ingredients:
- 2 pounds sweet potatoes, peeled and sliced
- 1 cup fresh or frozen cranberries
- 1 cup heavy cream
- 1/2 cup grated Parmesan cheese
- 2 tablespoons butter, melted
- Salt and pepper to taste
- 1/2 teaspoon nutmeg (optional)
- 1/2 cup breadcrumbs (optional for topping)
Directions:
- Preheat your oven to 375°F (190°C).
- In a large pot, boil sweet potato slices until tender, about 15 minutes. Drain and mash lightly.
- In a mixing bowl, combine the mashed sweet potatoes, cranberries, heavy cream, melted butter, salt, pepper, and nutmeg. Mix until well combined.
- Transfer the mixture to a greased baking dish.
- If using, sprinkle breadcrumbs and Parmesan cheese on top.
- Bake in the preheated oven for about 30-35 minutes or until golden and bubbly.
- Let it cool slightly before serving. Enjoy!
How to Serve Sweet Potato Cranberry Gratin
Sweet Potato Cranberry Gratin can be served warm as a side dish. It pairs well with roasted meats, poultry, or even as a vegetarian main course. You can also serve it with a simple salad for a lighter meal.
How to Store Sweet Potato Cranberry Gratin
If you have leftovers, store them in an airtight container in the refrigerator. The gratin will keep well for about 3 to 4 days. To reheat, simply place it in the oven until warmed through, or you can microwave individual portions.
Tips to Make Sweet Potato Cranberry Gratin
- Make sure to slice the sweet potatoes evenly to ensure they cook uniformly.
- Use fresh cranberries when possible for the best flavor, but frozen ones work just as well.
- Adjust the seasoning according to your taste. You can add more spices if you like.
- For a richer flavor, consider using a blend of cheeses, such as Gruyère or cheddar, along with Parmesan.
Variation
If you want to add some crunch, consider mixing in chopped nuts like pecans or walnuts. You can also use different types of cheese for a unique flavor, such as feta or blue cheese. For a sweeter touch, try adding a tablespoon of brown sugar into the mix.
FAQs
Can I make this dish ahead of time?
Yes, you can prepare the gratin a day in advance. Just assemble it, cover it tightly, and store it in the fridge. Bake it when you are ready to serve.
Can I freeze Sweet Potato Cranberry Gratin?
Yes, you can freeze it before baking. Just make sure to wrap it tightly to avoid freezer burn. Thaw in the refrigerator overnight before baking.
Is this recipe gluten-free?
The recipe is not gluten-free due to breadcrumbs. However, you can skip the breadcrumbs or use gluten-free breadcrumbs if needed.

Sweet Potato Cranberry Gratin
Ingredients
Main Ingredients
- 2 pounds sweet potatoes, peeled and sliced Make sure to slice evenly.
- 1 cup fresh or frozen cranberries Fresh cranberries are preferred for best flavor.
- 1 cup heavy cream
- 1/2 cup grated Parmesan cheese You can mix in other cheeses for flavor.
- 2 tablespoons butter, melted
- Salt and pepper to taste Adjust seasoning as desired.
- 1/2 teaspoon nutmeg (optional) Add for enhanced flavor.
- 1/2 cup breadcrumbs (optional for topping) Can be omitted for gluten-free.
Instructions
Preparation
- Preheat your oven to 375°F (190°C).
- In a large pot, boil sweet potato slices until tender, about 15 minutes. Drain and mash lightly.
- In a mixing bowl, combine the mashed sweet potatoes, cranberries, heavy cream, melted butter, salt, pepper, and nutmeg. Mix until well combined.
- Transfer the mixture to a greased baking dish.
- If using, sprinkle breadcrumbs and Parmesan cheese on top.
Cooking
- Bake in the preheated oven for about 30-35 minutes or until golden and bubbly.
- Let it cool slightly before serving. Enjoy!