Roasted Garlic Potatoes au Gratin

Highlighted under: Comfort Food

Savor the creamy, rich goodness of Roasted Garlic Potatoes au Gratin this Thanksgiving! Layers of tender potatoes are beautifully roasted and enveloped in a luscious garlic-infused cheese sauce, then baked to golden perfection. This comforting side dish is sure to impress your guests and elevate your holiday feast.

Maya Richardson

Created by

Maya Richardson

Last updated on 2025-11-23T13:38:46.203Z

This dish combines tender potatoes with a rich garlic cheese sauce, making it a perfect addition to your holiday table.

The Ultimate Comfort Food

There's something undeniably comforting about a dish that combines the warmth of roasted potatoes with a rich, creamy sauce. Roasted Garlic Potatoes au Gratin encapsulate this feeling perfectly, making them an ideal choice for family gatherings and festive occasions. The layers of thinly sliced potatoes absorb the flavors of the garlic and cheese, creating a dish that feels both indulgent and homey.

As you prepare this dish, you’ll appreciate not only the simplicity of the ingredients but also the robust flavors they produce. The combination of garlic and cheese serves to elevate the humble potato into something extraordinary. This balance of richness and comfort is what makes Potatoes au Gratin so appealing, satisfying both the heart and the palate.

Perfect for Any Occasion

While Roasted Garlic Potatoes au Gratin are a perfect complement to Thanksgiving turkey, they can shine on any dinner table. Whether it’s a holiday feast, a dinner party, or even a casual family meal, this dish fits seamlessly into any culinary setting. It’s versatile enough to accompany roasted meats, grilled vegetables, or simply enjoyed on its own as a sumptuous treat.

Moreover, the beauty of this recipe lies in its adaptability. Feel free to customize it with your favorite cheeses or add in herbs like thyme or rosemary for an extra flavor boost. The recipe invites creativity while maintaining its comforting essence, making it a timeless addition to your culinary repertoire.

Why Roasting Matters

Roasting garlic brings out its sweet, caramelized flavors, enhancing the overall taste of this dish. When garlic is roasted, the harshness fades, and it transforms into a deliciously mellow ingredient that married beautifully with cream and cheese. This technique not only adds depth but also infuses the potatoes with a savory aroma that will fill your kitchen.

The magic of roasting doesn’t stop with garlic; layering and roasting the potatoes allows them to become tender while developing a crispy top. The combination of various textures—creamy layers, crispy tops, and tender potatoes—creates a delightful eating experience that is sure to impress your guests.

Ingredients

Gather these ingredients to create the perfect Roasted Garlic Potatoes au Gratin.

Ingredients

  • 2 pounds potatoes, thinly sliced
  • 1 cup heavy cream
  • 1 cup milk
  • 4 cloves garlic, minced
  • 1 1/2 cups shredded cheese (cheddar or Gruyère)
  • Salt and pepper to taste
  • 2 tablespoons butter
  • Fresh parsley, for garnish

Once you have all your ingredients ready, you’re set to start cooking!

Instructions

Follow these steps to create your delectable Roasted Garlic Potatoes au Gratin.

Preheat the Oven

Preheat your oven to 375°F (190°C).

Prepare the Potatoes

Layer the sliced potatoes in a greased baking dish.

Make the Sauce

In a saucepan, combine heavy cream, milk, minced garlic, salt, and pepper. Heat until warm, then stir in the shredded cheese until melted.

Combine and Bake

Pour the cheese sauce over the potatoes and dot with butter. Bake for 45-60 minutes until golden and bubbly.

Serve

Garnish with fresh parsley before serving to add a touch of color.

Once baked, let the dish cool for a few minutes before serving to allow the sauce to set.

Tips for Success

When slicing your potatoes, aim for uniform thickness to ensure they cook evenly. A mandoline slicer can be a great tool for achieving consistent slices. Don't skimp on seasoning; a pinch of salt and pepper in each layer enhances the flavors significantly. You can also experiment by adding a hint of nutmeg into the cream sauce for an unexpected twist.

For an extra cheesy finish, sprinkle some additional cheese on the top layer just before baking. This will create an irresistible crust that adds another layer of flavor and texture. Keep an eye on the baking dish towards the end of cooking time to avoid over-charring the top while achieving that glorious golden color.

Storage and Reheating

Roasted Garlic Potatoes au Gratin can be prepared ahead of time, making them a convenient option for meal prepping. After baking, allow the dish to cool completely before covering it with plastic wrap or foil and refrigerating. Properly stored, they can last for 3-4 days in the refrigerator. Simply reheat in the oven at 350°F (175°C) until warmed through.

If you find yourself enjoying leftovers, consider transforming them into a breakfast dish! Mash the au gratin potatoes and fry them on a skillet with a bit of oil for a tasty hash. Top with an egg of your choice for a delicious and hearty breakfast that brings new life to your leftovers.

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Questions About Recipes

→ Can I make this dish ahead of time?

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

→ What type of cheese works best?

A mix of cheeses like cheddar and Gruyère offers great flavor and texture.

Roasted Garlic Potatoes au Gratin

Savor the creamy, rich goodness of Roasted Garlic Potatoes au Gratin this Thanksgiving! Layers of tender potatoes are beautifully roasted and enveloped in a luscious garlic-infused cheese sauce, then baked to golden perfection. This comforting side dish is sure to impress your guests and elevate your holiday feast.

Prep Time20 minutes
Cooking Duration1 hour
Overall Time1 hour 20 minutes

Created by: Maya Richardson

Recipe Type: Comfort Food

Skill Level: Intermediate

Final Quantity: 4-6 servings

What You'll Need

Ingredients

  1. 2 pounds potatoes, thinly sliced
  2. 1 cup heavy cream
  3. 1 cup milk
  4. 4 cloves garlic, minced
  5. 1 1/2 cups shredded cheese (cheddar or Gruyère)
  6. Salt and pepper to taste
  7. 2 tablespoons butter
  8. Fresh parsley, for garnish

How-To Steps

Step 01

Preheat your oven to 375°F (190°C).

Step 02

Layer the sliced potatoes in a greased baking dish.

Step 03

In a saucepan, combine heavy cream, milk, minced garlic, salt, and pepper. Heat until warm, then stir in the shredded cheese until melted.

Step 04

Pour the cheese sauce over the potatoes and dot with butter. Bake for 45-60 minutes until golden and bubbly.

Step 05

Garnish with fresh parsley before serving to add a touch of color.

Nutritional Breakdown (Per Serving)

  • Calories: 400
  • Fat: 30g
  • Carbohydrates: 35g
  • Protein: 10g