Roasted Garlic Potatoes au Gratin

Highlighted under: Comfort Food

Elevate your Thanksgiving feast with these creamy Roasted Garlic Potatoes au Gratin. Layers of thinly sliced potatoes are baked to perfection in a rich, garlicky cheese sauce, creating a comforting side dish that will impress your guests and leave them craving more. The golden, crispy top adds a delightful texture, making this dish a true crowd-pleaser for your holiday table.

Kayla Monroe

Created by

Kayla Monroe

Last updated on 2025-12-02T09:25:28.331Z

This dish is perfect for family gatherings and is sure to become a seasonal favorite!

A Perfect Addition to Your Holiday Table

Roasted Garlic Potatoes au Gratin are more than just a side dish; they are a celebration of flavors that complement any holiday feast. With each layer of potatoes baked to creamy perfection, this dish appeals to both your taste buds and your senses. The melding of roasted garlic with rich cheese not only enhances the overall flavor but also makes your kitchen smell heavenly as it bakes.

This recipe is particularly versatile, allowing you to pair it with a variety of main courses, from succulent roasted turkey to savory glazed ham. Its creamy texture and crispy topping create a beautiful contrast that your guests will love. Serve it during Thanksgiving, Christmas, or any special occasion, and watch as it quickly becomes a favorite on your holiday table.

Tips for Perfecting Your Potatoes au Gratin

To achieve the best results with your Roasted Garlic Potatoes au Gratin, it's essential to use high-quality ingredients. Select firm, fresh potatoes, and choose a cheese that melts well, like Gruyère or Cheddar. The right blend of cream and milk ensures a creamy and smooth sauce, while the roasted garlic infuses a rich depth of flavor throughout the dish. Avoiding overly starchy potatoes will help maintain that delightful creamy texture.

Another tip is to allow the dish to rest for a few minutes after baking. This cooling time helps the layers set, making it easier to serve without compromising the presentation. If you want to elevate the flavors even further, consider adding a sprinkle of freshly grated nutmeg to the sauce for a subtle warmth that enhances the comfort food experience.

Garnishing and Variations

While Roasted Garlic Potatoes au Gratin are delicious on their own, garnishing with fresh herbs such as parsley or thyme can add an extra layer of freshness and color to the dish. These herbs not only brighten the plate but also provide a contrasting flavor that balances the rich, creamy sauce. A sprinkle of crispy bacon or fried shallots can introduce a different texture and a savory element that will impress any crowd.

If you want to experiment with flavors, consider adding sautéed onions or caramelized leeks between the layers of potatoes. A hint of grated Parmesan cheese on top right before the final baking stage will create a beautifully golden and crunchy crust. These variations allow you to customize the dish to suit your palate, making it a truly unique centerpiece for your holiday gatherings.

Ingredients

Gather your ingredients:

Ingredients

  • 4 large potatoes, thinly sliced
  • 1 cup heavy cream
  • 1 cup milk
  • 1 cup shredded cheese (Gruyère or Cheddar)
  • 4 cloves roasted garlic, mashed
  • Salt and pepper, to taste
  • 2 tablespoons butter, for greasing
  • Fresh herbs (optional for garnish)

Make sure everything is ready before you start cooking!

Instructions

Follow these steps for a delicious result:

Prepare the Baking Dish

Preheat your oven to 375°F (190°C). Grease a baking dish with butter.

Make the Sauce

In a saucepan, combine heavy cream, milk, roasted garlic, salt, and pepper. Heat over medium until warmed through.

Layer the Potatoes

Layer half of the sliced potatoes in the greased dish. Pour half of the sauce over the potatoes. Sprinkle half of the cheese on top.

Repeat the Process

Add the remaining potatoes, sauce, and cheese in the same manner.

Bake

Cover with foil and bake for 40 minutes. Remove the foil and bake for an additional 20 minutes, until golden and crispy on top.

Serve

Let it cool slightly before serving. Garnish with fresh herbs if desired.

Enjoy your delicious Roasted Garlic Potatoes au Gratin!

Storage and Reheating Tips

Leftover Roasted Garlic Potatoes au Gratin can be stored in an airtight container in the refrigerator for up to four days. When you're ready to enjoy them again, simply reheat in the oven at 350°F (175°C) until warmed through. This method helps retain the creamy texture and the delightful crispy top that makes this dish so irresistible.

If you're short on time, reheating in the microwave is an option, but be cautious not to overcook them, as this can lead to a gummy texture. To revive that crispy topping, you may want to briefly broil the dish at the end of microwaving for just a minute or two. This easy reheating method allows you to savor the flavors of your holiday feast longer.

Pairing Suggestions

Roasted Garlic Potatoes au Gratin pair beautifully with a variety of main dishes. For a classic combination, consider serving them with herb-roasted turkey or juicy prime rib. The creamy potatoes provide a perfect contrast to the savory flavors of roasted meats, creating a harmonious balance on the plate. Alternatively, if you're leaning towards a vegetarian option, these potatoes go wonderfully with a rich mushroom Wellington, enhancing their earthy flavors.

To complement the meal, a side salad with a tangy vinaigrette can lighten up the richness of the gratin. As for beverages, a glass of Chardonnay or a light-bodied Pinot Noir can elevate your dining experience, bringing out the creamy textures of the dish while adding a delightful complexity to your Thanksgiving or holiday gathering.

Secondary image

Questions About Recipes

→ Can I make this dish in advance?

Yes, you can prepare it a day ahead and bake it just before serving.

→ What type of cheese can I use?

Gruyère or Cheddar are great options, but feel free to mix your favorites.

Roasted Garlic Potatoes au Gratin

Elevate your Thanksgiving feast with these creamy Roasted Garlic Potatoes au Gratin. Layers of thinly sliced potatoes are baked to perfection in a rich, garlicky cheese sauce, creating a comforting side dish that will impress your guests and leave them craving more. The golden, crispy top adds a delightful texture, making this dish a true crowd-pleaser for your holiday table.

Prep Time15 minutes
Cooking Duration1 hour
Overall Time1 hour 15 minutes

Created by: Kayla Monroe

Recipe Type: Comfort Food

Skill Level: Intermediate

Final Quantity: 8 servings

What You'll Need

Ingredients

  1. 4 large potatoes, thinly sliced
  2. 1 cup heavy cream
  3. 1 cup milk
  4. 1 cup shredded cheese (Gruyère or Cheddar)
  5. 4 cloves roasted garlic, mashed
  6. Salt and pepper, to taste
  7. 2 tablespoons butter, for greasing
  8. Fresh herbs (optional for garnish)

How-To Steps

Step 01

Preheat your oven to 375°F (190°C). Grease a baking dish with butter.

Step 02

In a saucepan, combine heavy cream, milk, roasted garlic, salt, and pepper. Heat over medium until warmed through.

Step 03

Layer half of the sliced potatoes in the greased dish. Pour half of the sauce over the potatoes. Sprinkle half of the cheese on top.

Step 04

Add the remaining potatoes, sauce, and cheese in the same manner.

Step 05

Cover with foil and bake for 40 minutes. Remove the foil and bake for an additional 20 minutes, until golden and crispy on top.

Step 06

Let it cool slightly before serving. Garnish with fresh herbs if desired.

Nutritional Breakdown (Per Serving)

  • Total Fat: 15g
  • Saturated Fat: 8g
  • Carbohydrates: 40g
  • Protein: 8g