Roasted Garlic Potatoes au Gratin

Roasted Garlic Potatoes au Gratin is a rich, comforting dish that combines thinly sliced potatoes with roasted garlic, creamy sauce, and cheesy goodness. Perfect for any occasion, this dish features a golden, crispy crust with a savory flavor that elevates traditional potatoes au gratin. The roasted garlic adds a delightful depth of flavor, making this a crowd-pleasing side dish.

Full Recipe: 

Ingredients

  • 8-9 medium starchy potatoes (about 1.2kg), thinly sliced

  • 1 head garlic, cut the top off

  • 1 cup (250 ml) heavy cream / double cream

  • ¼ cup (60 ml) whole milk

  • 1 tablespoon unsalted butter, plus more for greasing the baking dish

  • 1 tsp fresh thyme leaves (or 1/3 tsp dried thyme)

  • ¼ tsp nutmeg

  • ½ cup (40g) grated parmesan cheese, divided

  • 2 cups (about 220g) shredded Gruyère or mozzarella cheese

  • Salt and pepper to taste

  • Fresh chives, for garnish

Directions

  1. Preheat your oven to 375°F (190°C).

  2. Begin by roasting the garlic. Cut the top off the head of garlic to expose the cloves. Drizzle with olive oil, season with salt, and wrap in aluminum foil. Roast for 30 minutes or until soft and golden. Once roasted, allow the garlic to cool.

  3. Grease a 9×13-inch (23×33 cm) baking dish. Peel and thinly slice the potatoes. Arrange the potato slices upright in layers within the dish.

  4. In a saucepan, combine heavy cream, milk, butter, half of the grated parmesan cheese, thyme, nutmeg, salt, and pepper. Heat over medium heat until butter is melted and the ingredients are well combined.

  5. Once garlic is roasted, squeeze the garlic cloves out of their skins and mash them into a paste. Stir the roasted garlic paste into the cream mixture.

  6. Pour the creamy mixture over the potatoes, ensuring they are evenly coated. Cover the dish tightly with kitchen foil and bake for 40 minutes.

  7. Remove the foil, top with shredded Gruyère or mozzarella cheese and the remaining parmesan cheese, and bake uncovered for another 30 minutes, or until the cheese is bubbly and golden brown, and the potatoes are fork-tender.

  8. Let the dish cool for a few minutes before serving. Garnish with fresh chives and enjoy!

Nutrients
The nutritional content per serving (based on 8 servings) is approximately:

  • Calories: 416 kcal

  • Fat: 28.1g

    • Saturated Fat: 16.8g

    • Monounsaturated Fat: 5.4g

  • Cholesterol: 36.9mg

  • Sodium: 271.6mg

  • Potassium: 674.4mg

  • Carbohydrates: 29g

    • Fiber: 3.2g

    • Sugar: 2.1g

  • Protein: 13.3g

The Comfort of Potatoes au Gratin

Potatoes au gratin is a beloved classic, known for its tender potatoes baked in a rich, creamy sauce and topped with melted cheese. It’s a dish that epitomizes comfort, warmth, and indulgence. The velvety texture of the potatoes combined with the luxurious cream sauce creates a dish that’s perfect for any occasion. However, what sets Roasted Garlic Potatoes au Gratin apart from its traditional counterpart is the addition of roasted garlic, which brings an extra layer of depth to the dish.

The roasted garlic infuses the creamy sauce with a subtle sweetness and rich umami flavor, transforming a simple dish into something extraordinary. The garlic undergoes a transformation during the roasting process, softening and mellowing in flavor. The result is a perfectly balanced sauce that adds complexity without overwhelming the other ingredients.

The Magic of Roasted Garlic

Roasting garlic is a transformative process that turns its sharp, pungent flavor into something much more mellow and sweet. When garlic is roasted, its natural sugars caramelize, creating a deep, savory-sweet flavor that’s perfect for dishes like Potatoes au Gratin. Instead of the typical raw garlic, which can be harsh or bitter when used in large quantities, roasted garlic imparts a more delicate, smooth taste that complements the creaminess of the potatoes and the richness of the cheeses.

The garlic cloves become soft and spreadable once roasted, which makes them easy to mash into a paste and incorporate into the cream sauce. This addition of roasted garlic is a simple yet brilliant twist that turns an already comforting dish into something truly spectacular. The flavor is both familiar and new, making it a hit at the dinner table.

A Creamy, Cheesy Sauce

At the heart of Roasted Garlic Potatoes au Gratin is the creamy sauce that envelops the thinly sliced potatoes. The combination of heavy cream, whole milk, butter, and a touch of nutmeg creates a rich, velvety base that coats each potato slice perfectly. The addition of thyme adds a fragrant herbal note that enhances the overall flavor profile of the dish.

To further enrich the sauce, a generous portion of parmesan cheese is melted into the mixture, providing a salty, umami kick. The parmesan, along with the shredded Gruyère or mozzarella cheese that crowns the dish, creates a luxurious, cheesy crust that bakes to a crispy golden brown. The creamy sauce also ensures that the potatoes are tender and fully cooked, absorbing the flavors of the garlic and cheese as they bake together.

The result is a comforting, creamy dish that’s as indulgent as it is flavorful. Each bite is a perfect balance of creamy potatoes, savory roasted garlic, and a crispy, golden cheese crust that adds texture and richness.

The Layers of Flavor

The beauty of this dish lies in its layers—both in the way it’s assembled and in the flavors that build with each bite. The potatoes are sliced thinly to ensure they cook evenly, allowing the cream sauce to seep between each slice and infuse the dish with flavor. As the layers bake, the potatoes become tender and melt into the creamy sauce, while the top layer crisps up to form a golden, cheesy crust.

The roasted garlic paste is evenly distributed throughout the cream sauce, ensuring that each bite contains a burst of that sweet, savory flavor. The addition of fresh thyme and a pinch of nutmeg rounds out the flavor profile, making this dish a true standout on any dinner table. The subtle herbal notes from the thyme and the warmth from the nutmeg complement the richness of the cheese and the sweetness of the garlic, creating a harmonious blend of flavors.

Perfect for Any Occasion

Roasted Garlic Potatoes au Gratin is a versatile dish that can be served on a variety of occasions. It’s a perfect side dish for holiday meals, such as Thanksgiving or Christmas, where it pairs beautifully with roasted meats like turkey, ham, or beef. Its richness and depth of flavor make it an excellent accompaniment to special occasions, elevating even the simplest of meals.

In addition to holidays, this dish works wonderfully for family dinners, weekend gatherings, or as a comforting addition to a weekday meal. Its creamy texture and savory flavor make it a favorite for both adults and children, and its cheesy crust makes it irresistibly satisfying. Whether you’re serving it for a casual dinner or a more formal gathering, Roasted Garlic Potatoes au Gratin will always be a crowd-pleaser.

The Nutritional Value

While Roasted Garlic Potatoes au Gratin is undeniably indulgent, it also provides some nutritional benefits. Potatoes are a good source of potassium, fiber, and vitamin C, making them a healthy addition to your diet when enjoyed in moderation. The addition of garlic provides antioxidants and potential heart-health benefits, as garlic is known to support cardiovascular health and immune function.

The dish also offers a decent amount of protein from the cheeses, which are packed with calcium and other essential nutrients. While the creamy sauce does add fat and calories, it’s important to note that this dish is meant to be enjoyed as a rich side dish, not a main course. The key to enjoying dishes like Roasted Garlic Potatoes au Gratin is to balance them with other nutritious foods in your overall meal plan.

Customization Options

Roasted Garlic Potatoes au Gratin is highly customizable to suit different dietary preferences. For a lighter version, you can substitute the heavy cream with half-and-half or a lower-fat milk. If you prefer a dairy-free alternative, coconut cream or almond milk can be used, although they will alter the flavor slightly.

You can also experiment with different types of cheese to suit your taste. While Gruyère or mozzarella is the traditional choice, other cheeses like cheddar, fontina, or even a mix of cheese can create different flavor profiles. Some people like to add a touch of fresh herbs, such as rosemary or parsley, to the dish to enhance the flavor even further.

Conclusion

Roasted Garlic Potatoes au Gratin is an elevated, indulgent version of the classic potatoes au gratin. With the addition of roasted garlic, a creamy, cheesy sauce, and a golden, crispy top, this dish is a perfect side for any occasion. Whether you’re serving it for a holiday feast, a family dinner, or a casual gathering, Roasted Garlic Potatoes au Gratin is sure to impress. Its rich flavors, creamy texture, and satisfying crunch make it a memorable dish that will have everyone coming back for seconds. This recipe brings comfort and elegance together, making it a must-try for anyone who loves hearty, flavorful side dishes.

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