Sunday Creamy Potato Gratin

Highlighted under: Traditional Favorites

I absolutely love making this Sunday Creamy Potato Gratin! There's something so comforting about the layers of tender potatoes enveloped in rich cream and cheese. This dish has been a family favorite at our Sunday dinners for years, and it's a wonderful way to elevate any meal. The combination of garlic, thyme, and gooey cheese creates a symphony of flavors that will impress everyone at the table. Plus, it’s surprisingly straightforward to prepare, making it perfect for both novice cooks and seasoned chefs alike.

Seraphina Moore

Created by

Seraphina Moore

Last updated on 2026-01-05T18:49:34.762Z

When I first attempted to make this gratin, I was amazed at how the simple ingredients transformed into something so decadent. Layering the potatoes carefully allows each slice to pack a flavorful punch, while the cream thickens beautifully in the oven. It’s a perfect centerpiece for a Sunday family gathering.

One of my favorite tips is to let the dish rest for about 10 minutes post-baking. This small step enables the layers to set, ensuring perfect slices that hold their shape when served. It's a game changer for presentation!

Why You'll Love This Recipe

  • Rich, creamy layers that melt in your mouth
  • Versatile dish that pairs well with any main course
  • Perfect comfort food for chilly evenings

The Importance of Proper Layering

When creating your potato gratin, proper layering is crucial for achieving that perfect texture and flavor. Each layer of potatoes should be seasoned lightly and interspersed with cheese to ensure that every bite is flavorful. I recommend starting with a single layer of potatoes, gently overlapping them for even cooking, then seasoning before sprinkling on the cheeses. This technique not only promotes even cooking but also helps the flavors meld beautifully as the gratin bakes.

Feel free to alternate the cheeses in your layers. For example, you can use more Gruyère in the lower layers for a deep, nutty flavor, and top it with Parmesan for its delightful crispness. The key is balance; the goal is a creamy base with a slightly crunchy top. Trust me, this method will enhance your gratin beyond your expectations.

Tips for Achieving the Perfect Texture

To ensure your gratin has the perfect creamy yet firm texture, it's vital to slice the potatoes uniformly—around 1/8 inch thick. Using a mandoline can help you achieve this consistency, which is essential for even cooking. Thick slices can lead to mushy textures, and while you're layering, make sure not to overpack the dish. An overcrowded gratin can result in uneven cooking and an unappealing mushy texture on the inside.

As it bakes, the cream will bubble and reduce, creating an irresistible sauce. If you find that the gratin is cooking too quickly on top but still needs time inside, you can reduce the oven temperature to 350°F (175°C) and cover it loosely with foil. This adjustment can help the dish cook more evenly without burning the top.

Make-Ahead and Storage Options

If you want to prepare this gratin in advance, you can assemble it up to a day ahead and refrigerate it until you’re ready to bake. Just be sure to cover it with plastic wrap to keep the surface from drying out. When you're ready to bake, remove the wrap and let it come to room temperature for about 30 minutes before placing it in the oven. This helps the heat penetrate evenly, ensuring you get that lovely creamy inside.

Should you have leftovers, store them in an airtight container in the fridge for up to three days. Reheating is simple: pop in a preheated oven at 350°F (175°C) until warmed through, approximately 20-25 minutes. You might sprinkle a little extra cheese on top for an added layer of flavor. Enjoying it the next day can sometimes enhance its taste, as the flavors have more time to meld!

Ingredients

Gather the following ingredients to create this delicious gratin:

Ingredients

  • 2 lbs Yukon Gold potatoes, thinly sliced
  • 2 cups heavy cream
  • 1 cup grated Gruyère cheese
  • 1 cup grated Parmesan cheese
  • 2 cloves garlic, minced
  • 1 teaspoon dried thyme
  • Salt and pepper to taste
  • 1 tablespoon butter for greasing

Once you have everything ready, you can begin assembling your gratin!

Instructions

Follow these simple steps for a perfect creamy potato gratin:

Prepare the Baking Dish

Preheat your oven to 375°F (190°C). Grease a 9x13 inch baking dish with butter to prevent sticking.

Layer the Potatoes

Arrange a layer of potato slices at the bottom of the dish. Season with salt, pepper, garlic, and thyme. Add a sprinkle of both cheeses before adding the next layer of potatoes.

Pour the Cream

Once all layers are assembled, pour the heavy cream evenly over the potatoes, ensuring they are well covered.

Bake the Gratin

Cover the dish with aluminum foil and bake for 45 minutes. Then remove the foil and bake for an additional 15 minutes until the top is golden and bubbly.

Rest and Serve

Allow the gratin to rest for about 10 minutes before slicing. Serve warm and enjoy!

This process makes it easy to achieve a perfect texture and taste.

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Pro Tips

  • For extra flavor, consider adding some caramelized onions between the layers or a sprinkle of nutmeg in the cream. Adjust the cheese selection based on your preference, and feel free to experiment with herbs.

Ingredient Substitutions

If you're looking for a lighter option, you can swap the heavy cream for half-and-half or a mixture of milk and cream. Keep in mind that this may change the texture slightly, making it less velvety, but it will still be delicious. Also, for a dairy-free version, consider using a plant-based cream alternative like coconut cream, which will bring a different flavor profile—yet still complements the potatoes beautifully.

Another option is to incorporate vegetables like leeks or spinach. Adding them between the layers provides extra nutrition and complexity to the flavor. Just be sure to reduce the moisture in any added vegetables to prevent a soggy gratin.

Serving Suggestions

Sunday Creamy Potato Gratin makes an excellent side dish, especially paired with roasted or braised meats like chicken, lamb, or beef. The richness of the gratin complements hearty mains beautifully, creating a wonderful contrast of textures and flavors. A fresh green salad on the side can balance the creaminess of the dish nicely.

For a fun twist, why not serve your gratin as a brunch dish? Pair it with poached eggs and sautéed greens for a delectable take on a breakfast classic. The layers of potato with the runny yolk create an indulgent experience that's perfect for special occasions or leisurely Sunday mornings.

Questions About Recipes

→ Can I use other types of potatoes?

Yes, but certain potatoes like Russets might become too mushy while baking.

→ How do I store leftovers?

Store any leftovers in an airtight container in the refrigerator for up to 3 days.

→ Can I make this dish ahead of time?

Absolutely! You can prepare the gratin a day in advance and simply reheat it before serving.

→ Is it necessary to let the gratin rest after baking?

Yes! Letting it rest helps the layers set and makes for cleaner cuts when serving.

Sunday Creamy Potato Gratin

I absolutely love making this Sunday Creamy Potato Gratin! There's something so comforting about the layers of tender potatoes enveloped in rich cream and cheese. This dish has been a family favorite at our Sunday dinners for years, and it's a wonderful way to elevate any meal. The combination of garlic, thyme, and gooey cheese creates a symphony of flavors that will impress everyone at the table. Plus, it’s surprisingly straightforward to prepare, making it perfect for both novice cooks and seasoned chefs alike.

Prep Time20 minutes
Cooking Duration60 minutes
Overall Time80 minutes

Created by: Seraphina Moore

Recipe Type: Traditional Favorites

Skill Level: Intermediate

Final Quantity: 6 servings

What You'll Need

Ingredients

  1. 2 lbs Yukon Gold potatoes, thinly sliced
  2. 2 cups heavy cream
  3. 1 cup grated Gruyère cheese
  4. 1 cup grated Parmesan cheese
  5. 2 cloves garlic, minced
  6. 1 teaspoon dried thyme
  7. Salt and pepper to taste
  8. 1 tablespoon butter for greasing

How-To Steps

Step 01

Preheat your oven to 375°F (190°C). Grease a 9x13 inch baking dish with butter to prevent sticking.

Step 02

Arrange a layer of potato slices at the bottom of the dish. Season with salt, pepper, garlic, and thyme. Add a sprinkle of both cheeses before adding the next layer of potatoes.

Step 03

Once all layers are assembled, pour the heavy cream evenly over the potatoes, ensuring they are well covered.

Step 04

Cover the dish with aluminum foil and bake for 45 minutes. Then remove the foil and bake for an additional 15 minutes until the top is golden and bubbly.

Step 05

Allow the gratin to rest for about 10 minutes before slicing. Serve warm and enjoy!

Extra Tips

  1. For extra flavor, consider adding some caramelized onions between the layers or a sprinkle of nutmeg in the cream. Adjust the cheese selection based on your preference, and feel free to experiment with herbs.

Nutritional Breakdown (Per Serving)

  • Calories: 450 kcal
  • Total Fat: 32g
  • Saturated Fat: 18g
  • Cholesterol: 80mg
  • Sodium: 600mg
  • Total Carbohydrates: 35g
  • Dietary Fiber: 3g
  • Sugars: 2g
  • Protein: 8g