Roasted Garlic Potatoes au Gratin

If you’re looking for a comforting dish that warms the heart and satisfies the taste buds, then Roasted Garlic Potatoes au Gratin is just what you need. This recipe has been a cherished part of my family gatherings, where everyone comes together to enjoy its creamy, cheesy layers infused with the rich flavor of roasted garlic. It’s truly a crowd-pleaser that can elevate any meal—from busy weeknights to festive family dinners.

What I love most about this dish is how simple it is to prepare while still delivering impressive results. The combination of starchy potatoes and gooey cheese creates a delightful experience that you’ll want to share with friends and family. Trust me, once you try Roasted Garlic Potatoes au Gratin, it will quickly become a favorite in your household too!

Why You’ll Love This Recipe

  • Easy to Prepare: With straightforward steps, you can whip up this delicious side dish without breaking a sweat.
  • Family-Friendly Appeal: Kids and adults alike will adore the creamy texture and cheesy flavor—perfect for all ages!
  • Make-Ahead Convenience: Prepare it in advance and pop it in the oven when you’re ready to serve.
  • Versatile for Any Occasion: Whether it’s a casual weeknight or a holiday feast, this dish fits right in.
  • Rich Flavor Profile: The roasted garlic adds an irresistible depth of flavor that takes this classic recipe to another level.
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Ingredients You’ll Need

Gathering these simple, wholesome ingredients makes cooking feel like a breeze. Here’s what you’ll need for your Roasted Garlic Potatoes au Gratin:

For the Dish

  • 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
  • 1/4 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)
  • 1/4 tsp nutmeg
  • 1/2 cup (40g) grated parmesan cheese, divided
  • 2 cups (about 220g) shredded Gruyère or mozzarella cheese
  • Salt and pepper to taste
  • Fresh chives, for garnish

Variations

This recipe is wonderfully flexible, meaning you can adapt it based on your preferences or what you have on hand. Here are some fun variations to consider:

  • Add Some Veggies: Layer in some cooked spinach or sautéed mushrooms for added nutrition and flavor.
  • Try Different Cheeses: Experiment with different cheeses like cheddar or gouda for unique taste profiles.
  • Make It Spicy: Add some red pepper flakes or diced jalapeños to give your gratin a little kick.
  • Herb Swap: Use fresh rosemary or sage instead of thyme for a different aromatic twist.

How to Make Roasted Garlic Potatoes au Gratin

Step 1: Preheat Your Oven

Start by preheating your oven to 375°F (190°C). This ensures that your potatoes cook evenly and develop that lovely golden crust as they bake.

Step 2: Roast the Garlic

Next, prepare the garlic by cutting off the top of the head to expose the cloves. Wrap it in aluminum foil with a drizzle of olive oil and a sprinkle of salt. Roasting garlic enhances its natural sweetness and mellows its pungency—this step is essential for achieving that rich flavor!

Step 3: Grease Your Baking Dish

While your garlic is roasting, grease a 9×13-inch baking dish with butter. This will help prevent sticking and make cleanup easier later.

Step 4: Prepare Your Potatoes

Peel and thinly slice your potatoes using a mandoline slicer if possible. Even slices are crucial here; they ensure uniform cooking throughout the dish.

Step 5: Layer Your Potatoes

Stack the sliced potatoes upright in layers within the baking dish. This not only looks beautiful but also allows every bite to be filled with creamy goodness.

Step 6: Make the Cream Mixture

In a saucepan over medium heat, combine heavy cream, milk, butter, half of the grated parmesan cheese, thyme, nutmeg, salt, and pepper. Heating gently until combined without boiling ensures all flavors meld beautifully.

Step 7: Mash Your Roasted Garlic

Once your garlic is roasted and cooled slightly, squeeze out the cloves into a bowl and mash them into a paste. Mixing this roasted garlic into your cream mixture brings depth and richness that’s simply irresistible.

Step 8: Combine Cream with Potatoes

Pour the creamy mixture over your layered potatoes in the baking dish. Ensure every slice is coated; this will create delicious layers as they bake!

Step 9: Bake Covered

Cover your baking dish tightly with kitchen foil and bake in your preheated oven for 40 minutes. This helps steam the potatoes so they become tender.

Step 10: Add Cheese Topping

Remove the foil carefully—watch out for steam! Sprinkle shredded Gruyère or mozzarella cheese along with remaining parmesan on top of your potatoes.

Step 11: Bake Uncovered

Return the dish to bake uncovered for an additional 30 minutes until bubbly and golden brown. The melted cheese creates an amazing crust that’s hard to resist!

Step 12: Cool Before Serving

Once done baking, let your potato au gratin cool for a few minutes before serving—this helps everything set up nicely.

Step 13: Garnish & Enjoy

Top with fresh chives for color and flavor before diving in! Enjoy every bite of this comforting classic!

Pro Tips for Making Roasted Garlic Potatoes au Gratin

Making Roasted Garlic Potatoes au Gratin can be a delightful experience, especially when you have some handy tips up your sleeve!

  • Use starchy potatoes – Varieties like Russet or Yukon Gold are ideal as they create a creamy texture and hold their shape during baking, ensuring your gratin is perfectly luscious.

  • Slice potatoes evenly – Aim for uniform slices to ensure even cooking. A mandoline slicer can help achieve this, allowing the potatoes to cook at the same rate, so every bite is deliciously tender.

  • Don’t skip roasting the garlic – This step enhances the flavor profile significantly. Roasting mellows the garlic’s sharpness and brings out its natural sweetness, adding depth to your dish.

  • Let it rest before serving – Allowing your gratin to cool for a few minutes after baking helps it set up nicely. This way, it holds its shape better when serving and is easier to slice.

  • Experiment with cheeses – While Gruyère and mozzarella are classic choices, don’t hesitate to mix in other favorites like fontina or cheddar for a unique twist on flavor!

How to Serve Roasted Garlic Potatoes au Gratin

Presenting your Roasted Garlic Potatoes au Gratin can turn an everyday meal into something special. The creamy layers and golden top make it not just tasty but visually appealing too!

Garnishes

  • Fresh chives – Chopped fresh chives add a lovely green pop of color and a mild onion flavor that complements the richness of the dish.
  • Parmesan shavings – Lightly sprinkle some fresh parmesan shavings on top right before serving for an added touch of elegance and extra cheesiness.

Side Dishes

  • Simple Green Salad – A light salad with mixed greens, cherry tomatoes, and a lemon vinaigrette can provide a refreshing balance to the rich gratin.

  • Steamed Broccoli – Adding steamed broccoli not only brings vibrant color but also offers nutritional benefits. Its slight crunch contrasts beautifully with the creaminess of the potatoes.

  • Roasted Carrots – Sweet roasted carrots seasoned with thyme or rosemary make for a delightful side that complements the flavors of the gratin.

  • Grilled Asparagus – Lightly grilled asparagus adds a smoky flavor and crisp texture, making it an excellent companion to your cheesy potato dish.

With these tips and serving suggestions, you’re all set to create and present a fabulous bowl of Roasted Garlic Potatoes au Gratin that will impress everyone at your table! Enjoy every bite!

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Make Ahead and Storage

This Roasted Garlic Potatoes au Gratin recipe is perfect for meal prep! You can prepare it ahead of time, making your weeknight dinners or gatherings a breeze.

Storing Leftovers

  • Allow the dish to cool completely before storing.
  • Transfer leftovers into an airtight container.
  • Store in the refrigerator for up to 3 days.

Freezing

  • Let the baked potatoes au gratin cool fully.
  • Wrap the dish tightly in plastic wrap or aluminum foil, then place it in a freezer-safe container.
  • Freeze for up to 2 months.

Reheating

  • Thaw in the refrigerator overnight before reheating.
  • Preheat your oven to 350°F (175°C).
  • Cover the dish with foil and bake for about 20 minutes until warmed through. Remove the foil for the last 5 minutes to crisp up the cheese.

FAQs

Here are some common questions you might have about this delicious recipe!

Can I make Roasted Garlic Potatoes au Gratin without cream?

Absolutely! You can substitute heavy cream with a plant-based alternative like coconut cream or cashew cream for a lighter option.

How do I make Roasted Garlic Potatoes au Gratin gluten-free?

To keep this dish gluten-free, ensure that your cheese and any other ingredients are certified gluten-free. This recipe is naturally gluten-free as written!

Can I use different types of cheese in Roasted Garlic Potatoes au Gratin?

Yes! Feel free to experiment with cheeses like cheddar, fontina, or even vegan cheese alternatives to suit your taste preferences.

What’s the secret to perfect layers in Roasted Garlic Potatoes au Gratin?

The key is to slice your potatoes uniformly thin; using a mandoline will help achieve even slices that cook perfectly.

Final Thoughts

I hope you find joy in making this Roasted Garlic Potatoes au Gratin! It’s not just a side dish; it’s a heartwarming comfort food that brings people together. I invite you to try it out and share it with loved ones—it’s sure to be a hit at your table. Happy cooking!

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Roasted Garlic Potatoes au Gratin

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Indulge in the comforting delight of Roasted Garlic Potatoes au Gratin, a creamy and cheesy dish that transforms any meal into a memorable experience. With layers of tender starchy potatoes entwined with rich roasted garlic, this recipe is perfect for family gatherings or cozy weeknight dinners. Not only is it easy to prepare, but it also offers a versatile canvas for your culinary creativity—add veggies, experiment with cheeses, or spice it up to suit your taste. Once you serve this delicious gratin, it will quickly become a beloved staple at your table.

  • Author: Elsa
  • Prep Time: 20 minutes
  • Cook Time: 70 minutes
  • Total Time: 1 hour 30 minutes
  • Yield: Serves approximately 8
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American

Ingredients

Scale
  • 89 medium starchy potatoes (about 1.2kg), thinly sliced
  • 1 head garlic
  • 1 cup heavy cream
  • 1/4 cup whole milk
  • 1 tablespoon unsalted butter (plus more for greasing)
  • 1 teaspoon fresh thyme leaves
  • 1/4 teaspoon nutmeg
  • 1/2 cup grated parmesan cheese (divided)
  • 2 cups shredded Gruyère or mozzarella cheese
  • Salt and pepper to taste
  • Fresh chives for garnish

Instructions

  1. Preheat oven to 375°F (190°C).
  2. Roast the garlic by cutting off the top and wrapping it in foil with olive oil and salt.
  3. Grease a baking dish with butter.
  4. Thinly slice the potatoes and layer them upright in the baking dish.
  5. In a saucepan, combine heavy cream, milk, butter, half of the parmesan cheese, thyme, nutmeg, salt, and pepper; heat gently until blended.
  6. Squeeze roasted garlic into a bowl and mash; mix into the cream mixture.
  7. Pour over layered potatoes ensuring all slices are coated.
  8. Cover with foil and bake for 40 minutes.
  9. Remove foil, add remaining cheese on top, and bake uncovered for an additional 30 minutes until golden brown.
  10. Let cool slightly before serving; garnish with fresh chives.

Nutrition

  • Serving Size: 1 cup (approximately 200g)
  • Calories: 320
  • Sugar: 3g
  • Sodium: 450mg
  • Fat: 19g
  • Saturated Fat: 10g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 29g
  • Fiber: 3g
  • Protein: 9g
  • Cholesterol: 50mg

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