Sweet Potato Gratin for Two

Name: Sweet Potato Gratin for Two
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Yield: 2 servings
Ingredients: 2 medium sweet potatoes, peeled and thinly sliced; 1 cup heavy cream; 1 cup Gruyère cheese, grated; 1 clove garlic, minced; Salt and pepper, to taste; 1/2 cup breadcrumbs; 2 tablespoons melted butter

Highlighted under: Baking & Desserts

I love making this Sweet Potato Gratin for Two when I want something cozy and comforting. The creamy layers of sweet potatoes, combined with a crunchy topping, create a delicious balance of flavors and textures. It's simple yet impressive, and perfect for a romantic dinner or a special weeknight treat. With just a handful of ingredients and some baking time, I can whip up a dish that truly feels like a celebration on a plate. Trust me, this gratin will become a cherished favorite.

Created by

Harper Collins

Last updated on 2026-01-07T10:58:15.590Z

When I first made Sweet Potato Gratin, I was surprised by how such a simple dish could taste so extraordinary. The layers of sweet potato combined with a creamy sauce create a burst of flavor that is nothing short of delightful. I roasted the sweet potatoes slightly before layering, which enhanced their natural sweetness and added a nice depth.

One key tip I learned was to let the gratin rest for a few minutes before serving; it allows the layers to set beautifully, making it easier to dish out. This dish is not just food; it's a warm hug on a plate that brings back memories of family dinners.

        Why You'll Love This Recipe
        Richly creamy while still being light and wholesome
Deliciously sweet with a hint of savory from the cheese
Impressive presentation for special occasions

      

The Creaminess of the Gratin

The heavy cream is a crucial component in this Sweet Potato Gratin. It not only adds richness but also helps to create that silky texture that envelops the sweet potatoes. As the gratin bakes, the cream reduces and thickens, creating a luxurious mouthfeel that pairs beautifully with the sweetness of the potatoes.

When adding the cream, ensure it is evenly distributed. Pour it slowly over the layers, allowing it to seep between the slices. This process not only guarantees that each bite is flavorful but also prevents the gratin from drying out, resulting in a dish that’s creamy from the first to the last forkful.

Choosing the Right Cheese

Gruyère cheese is a popular choice for this recipe due to its nutty flavor and excellent melting properties. As it bakes, Gruyère creates a beautifully bubbling and golden crust that adds both texture and aesthetic appeal. If Gruyère isn’t available, you can substitute with an equal amount of a good quality Swiss cheese or even cheddar, though be mindful that cheddar will introduce a sharper flavor.

Be sure to grate the cheese yourself rather than using pre-packaged cheese. Freshly grated cheese melts more uniformly, creating a smoother consistency in the gratin. If you prefer a lighter option, consider using part-skim cheese to retain creaminess while reducing fat content.

Tips for Perfect Layers

Creating those distinct layers in your gratin is essential for both presentation and flavor. When layering the sweet potatoes, overlap the slices slightly, ensuring that each slice is visible. This not only enhances the visual appeal but also allows for even cooking, ensuring that every bite is balanced with sweet potato and cheese.

If you're concerned about time or don’t want to deal with peeling and slicing, feel free to use pre-sliced sweet potatoes. There are even options in most grocery stores, but always ensure they're fresh and free from preservatives. Pre-slicing can save you minutes in meal prep, allowing you to focus more on the assembly and baking.

Ingredients

Gather these fresh ingredients to get started:

For the Gratin

2 medium sweet potatoes, peeled and thinly sliced
1 cup heavy cream
1 cup Gruyère cheese, grated
1 clove garlic, minced
Salt and pepper, to taste
1/2 cup breadcrumbs
2 tablespoons melted butter

Ensure you have everything ready for the best cooking experience!

Instructions

Follow these steps for a perfect gratin:

Prepare the Oven and Dish

Preheat your oven to 375°F (190°C) and lightly grease a small baking dish.

Layer the Sweet Potatoes

Begin by layering half of the sweet potato slices at the bottom of the dish. Season with salt, pepper, and sprinkle half the garlic.

Add Cream and Cheese

Pour half of the cream over the first layer, then add half of the grated cheese on top.

Build Additional Layers

Repeat the process by layering the remaining sweet potatoes, garlic, cream, and cheese, finishing with the last layer of cheese.

Prepare the Topping

Mix the breadcrumbs with melted butter and sprinkle evenly over the top layer of cheese.

Bake

Bake in the preheated oven for 30-40 minutes until golden and bubbling.

Rest and Serve

Once baked, let the gratin rest for about 5-10 minutes before serving to allow it to set.

Enjoy your homemade sweet potato gratin!

Pro Tips

For an added twist, try adding some fresh herbs like thyme or rosemary between the layers for an aromatic touch.

Make-Ahead and Storage

This Sweet Potato Gratin can be prepared in advance, making it an excellent option for a stress-free dinner. Assemble the entire dish up to a day ahead of time, covering it with foil and storing it in the refrigerator. When you're ready to bake, simply add an extra 5-10 minutes to the cooking time, as it will be starting from a colder temperature.

If you have leftovers, store them in an airtight container in the fridge for up to three days. To reheat, cover the dish with foil and warm it in a 350°F (175°C) oven for 20-25 minutes, or until heated through. This method helps retain the creamy texture without drying out the gratin.

Serving Suggestions

For an elegant dinner, consider pairing the Sweet Potato Gratin with a simple green salad dressed in vinaigrette. The acidity from the salad complements the rich, creamy gratin beautifully, balancing the flavors on the plate. You can also serve this dish alongside roasted or grilled proteins, such as chicken or fish, to round out your meal.

To elevate the gratin, try adding fresh herbs, such as thyme or rosemary, in between the layers for an aromatic twist. Alternatively, serve it with a sprinkle of freshly chopped parsley or chives on top just before serving for a fresh finish that enhances both the flavor and visual appeal.

Troubleshooting and Tips

If your gratin seems too runny after baking, it might need a little longer in the oven. Ensure it is baked until the top is golden and bubbly, which usually takes 30-40 minutes at 375°F (190°C). Don’t hesitate to leave it in for an additional 5-10 minutes if needed, checking periodically for that perfect golden crust.

For a crunchier topping, consider mixing in some grated parmesan with the breadcrumbs. This not only increases the flavor but also enhances the crispiness of the top layer. Just remember to watch closely in the oven to prevent burning!

Questions About Recipes

→ Can I use other types of potatoes?

Yes, you can substitute with regular potatoes or a mix of root vegetables for varied flavors.

→ Is it possible to make this in advance?

Definitely! You can assemble the gratin ahead of time and then bake it just before serving.

→ Can I make it dairy-free?

Yes, use a plant-based cream and cheese alternative to make it dairy-free while still delicious.

→ What can I serve with this dish?

It pairs wonderfully with a simple salad or as a side dish for roasted chicken or fish.