Roasted Garlic Potatoes au Gratin

If you’re looking for the perfect side dish that feels like a warm hug on a plate, then you’ve come to the right place! Roasted Garlic Potatoes au Gratin is one of my all-time favorite comfort foods. It’s rich, creamy, and has that heavenly roasted garlic flavor that takes it over the top. Whether it’s a busy weeknight dinner or a special family gathering, this dish never fails to impress. Trust me, when you serve this at your table, everyone will be asking for seconds!

What makes this recipe even more special is how easy it is to prepare. With just a few simple ingredients and straightforward steps, you’ll create a dish that looks and tastes gourmet. Let’s dive into the reasons why you’ll love making this Roasted Garlic Potatoes au Gratin!

Why You’ll Love This Recipe

  • Comforting goodness: The combination of creamy cheese and tender potatoes creates a dish that’s as cozy as your favorite sweater.
  • Crowd-pleaser: Perfect for gatherings! Friends and family alike will rave about this delicious side.
  • Make-ahead magic: You can prep most of it in advance, saving you time on busy days.
  • Flavor-packed: Roasting garlic adds depth and richness that elevates the humble potato to new heights.
  • Customizable: Feel free to add your own twist with different herbs or cheeses!
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Ingredients You’ll Need

You won’t believe how simple and wholesome these ingredients are! Each one plays its part in creating layers of flavor and texture.

For the Potatoes

  • 8-9 medium starchy potatoes (about 1.2kg), thinly sliced
  • Salt and pepper to taste

For the Creamy Mixture

  • 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

For Topping

  • 2 cups (about 220g) shredded Gruyère or mozzarella cheese
  • Fresh chives, for garnish

Variations

The beauty of Roasted Garlic Potatoes au Gratin is its flexibility! Here are some fun ideas to mix things up:

  • Add some greens: Toss in some sautéed spinach or kale for added nutrition and color.
  • Spice it up: Mix in some red pepper flakes or smoked paprika for a bit of heat.
  • Cheese swap: Use cheddar or fontina if you’re craving something different; both melt beautifully!
  • Herb infusion: Try fresh rosemary or oregano instead of thyme for a twist on flavors.

How to Make Roasted Garlic Potatoes au Gratin

Step 1: Roast the Garlic

First things first! Preheat your oven to 375°F (190°C). Cut the top off your head of garlic to expose those sweet cloves. Place the garlic on a piece of aluminum foil, drizzle it with olive oil, sprinkle with salt, then wrap it up snugly. This roasting step is essential because it transforms raw garlic into caramelized sweetness that will infuse your potatoes with incredible flavor.

Step 2: Prepare Your Baking Dish

While your garlic is getting all cozy in the oven, grease a 9×13-inch (23×33 cm) baking dish with some butter. This step ensures that nothing sticks to the dish later on—because who wants extra cleanup?

Step 3: Slice Those Potatoes!

Now it’s time to peel and slice your potatoes thinly. I highly recommend using a mandoline slicer for even slices; this helps them cook uniformly and creates that lovely layered look when baked.

Step 4: Layering Potatoes

Take those beautifully sliced potatoes and arrange them upright in layers within your greased baking dish. This not only looks stunning but also allows every potato slice to soak up all that delicious cream mixture.

Step 5: Make the Cream Sauce

In a saucepan over medium heat, combine your heavy cream, milk, butter, half of the grated parmesan cheese, thyme, nutmeg, salt, and pepper. Stir until everything is well combined—just be careful not to let it boil! Heating it gently allows all those flavors to meld together nicely.

Step 6: Add Roasted Garlic

Once your garlic is roasted and cooled slightly, squeeze those soft cloves out from their skins and mash them into a paste. Stir this garlicky goodness into your creamy mixture until everything is beautifully blended.

Step 7: Pour Over Potatoes

Pour this luscious cream mixture evenly over your layered potatoes in the baking dish. Make sure every slice gets coated—this is what makes them so indulgent! Then cover tightly with kitchen foil before popping it into the oven.

Step 8: Bake Time!

Bake those gorgeous potatoes au gratin for about 40 minutes covered with foil. This helps them cook through without browning too soon.

Step 9: Cheese It Up!

After 40 minutes have passed, carefully remove the foil (watch out for steam!). Now it’s time for the fun part—top those potatoes with shredded Gruyère or mozzarella cheese along with any remaining parmesan cheese. This cheesy layer will become bubbly and golden brown as they bake further.

Step 10: Final Bake

Return your potato masterpiece back into the oven uncovered for an additional 30 minutes until everything is melted together and fork-tender. The aroma wafting through your home will be absolutely irresistible!

Step 11: Cool & Garnish

Once finished baking, allow your Roasted Garlic Potatoes au Gratin to cool slightly before serving—it’ll help everything set just right. Finally, garnish with fresh chives before digging in!

There you have it—a comforting dish that’s sure to delight everyone at your table! Enjoy every creamy bite!

Pro Tips for Making Roasted Garlic Potatoes au Gratin

Creating the perfect Roasted Garlic Potatoes au Gratin is a delightful journey, and a few tips can elevate it to a whole new level!

  • Choose the right potatoes: Opt for starchy potatoes like Russets or Yukon Golds. These varieties break down beautifully during cooking, resulting in a creamy texture that complements the dish.

  • Slice evenly: Use a mandoline slicer for uniform thickness. This ensures even cooking and helps every bite be perfectly tender and infused with flavor.

  • Don’t skip the roasting: Roasting the garlic brings out its sweetness and depth of flavor. It transforms the garlic from sharp to mellow, making it an integral part of your creamy mixture.

  • Let it rest: After baking, allow the dish to sit for about 10 minutes before serving. This resting period helps the layers set up, making it easier to cut and serve.

  • Experiment with cheese: While Gruyère is traditional, feel free to mix in other cheeses like cheddar or gouda for added complexity in flavor. Just keep the ratios balanced!

How to Serve Roasted Garlic Potatoes au Gratin

Presenting your Roasted Garlic Potatoes au Gratin beautifully can make any meal feel festive. Here are some ideas to elevate your serving game!

Garnishes

  • Fresh herbs: A sprinkle of finely chopped parsley or basil adds a pop of color and freshness that contrasts wonderfully with the richness of the dish.
  • Chili flakes: For those who enjoy a bit of heat, a few red chili flakes on top can add an exciting kick without overwhelming the flavors.
  • Lemon zest: A light grating of lemon zest right before serving gives a refreshing brightness that cuts through the creaminess.

Side Dishes

  • Simple green salad: A mixed greens salad with a light vinaigrette complements the richness of the potatoes, providing a nice contrast in textures and flavors.
  • Roasted vegetables: Seasonal roasted veggies such as Brussels sprouts or carrots add color and nutrition while enhancing the comforting vibe of your meal.
  • Grilled chicken or fish: Pairing these potatoes with grilled chicken or fish keeps your dinner balanced and flavorful. The mildness of grilled proteins allows the gratin to shine as the star of your plate.
  • Steamed asparagus: This quick and easy side offers brightness and crunch; simply steam until tender but still crisp, then drizzle with olive oil and lemon juice for added zing.

Now that you have all these fantastic tips (and delicious pairing suggestions), it’s time to gather your ingredients and create this cozy dish! Happy cooking!

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Make Ahead and Storage

Roasted Garlic Potatoes au Gratin is an excellent dish for meal prep! Whether you’re planning a cozy family dinner or prepping for the week ahead, this recipe holds up beautifully and tastes just as delicious when reheated.

Storing Leftovers

  • Allow the potatoes to cool completely before storing.
  • Transfer leftovers to an airtight container.
  • Store in the refrigerator for up to 3-4 days.

Freezing

  • Cool the dish completely before freezing.
  • Wrap tightly with plastic wrap or foil, then place in a freezer-safe container.
  • These can be frozen for up to 2 months.

Reheating

  • Thaw overnight in the refrigerator if frozen.
  • Reheat in a preheated oven at 350°F (175°C) until heated through (about 20-25 minutes).
  • For a crispy top, broil for an additional 2-3 minutes, watching closely to avoid burning.

FAQs

Here are some common questions about Roasted Garlic Potatoes au Gratin that might help you out!

Can I make Roasted Garlic Potatoes au Gratin without heavy cream?

Yes! You can substitute heavy cream with a mixture of equal parts whole milk and a non-dairy cream alternative for a lighter version.

What makes Roasted Garlic Potatoes au Gratin so special?

The combination of roasted garlic and creamy cheeses creates an irresistible flavor profile that elevates simple potatoes into an extraordinary comfort dish.

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

Absolutely! Feel free to experiment with different cheeses like cheddar or fontina to customize the flavor to your liking.

How long does it take to prepare Roasted Garlic Potatoes au Gratin?

The total time is about 1 hour and 40 minutes, which includes prep and cooking. It’s worth every moment for such a delightful dish!

Final Thoughts

I truly hope you enjoy making this Roasted Garlic Potatoes au Gratin! It’s one of those recipes that brings everyone together around the table, filling your home with warmth and laughter. Whether it’s a holiday feast or a simple weeknight dinner, this dish will surely become a favorite. Happy cooking, and may your kitchen be filled with love and delicious aromas!

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Roasted Garlic Potatoes au Gratin

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Indulge in the comforting goodness of Roasted Garlic Potatoes au Gratin, a dish that will warm your heart and satisfy your cravings. This rich and creamy side features layers of tender potatoes infused with the sweet, mellow flavor of roasted garlic, topped with a bubbly, golden cheese crust. Perfect for busy weeknights or special gatherings, this crowd-pleaser is incredibly easy to prepare with just a few wholesome ingredients. Whether paired with grilled chicken or a fresh salad, these garlic-infused potatoes are sure to become a favorite at your dining table!

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

Ingredients

Scale
  • 89 medium starchy potatoes (about 1.2kg), thinly sliced
  • 1 head garlic, cut the top off
  • 1 cup heavy cream (or non-dairy alternative)
  • 1/4 cup whole milk (or non-dairy alternative)
  • 1 tablespoon unsalted butter
  • 1 teaspoon fresh thyme leaves
  • 1/4 teaspoon nutmeg
  • 1/2 cup grated parmesan cheese
  • 2 cups shredded Gruyère or mozzarella cheese

Instructions

  1. Preheat oven to 375°F (190°C). Wrap the garlic in foil with olive oil and salt, then roast for about 40 minutes.
  2. Grease a 9×13-inch baking dish with butter.
  3. Thinly slice the potatoes using a mandoline slicer.
  4. Layer the sliced potatoes upright in the greased dish.
  5. In a saucepan, combine cream, milk, butter, half of the parmesan cheese, thyme, nutmeg, salt, and pepper over medium heat until blended.
  6. Squeeze roasted garlic into a paste and mix into the creamy sauce.
  7. Pour the sauce over the layered potatoes and cover tightly with foil.
  8. Bake for 40 minutes covered; then remove foil and top with remaining cheeses.
  9. Bake uncovered for an additional 30 minutes until golden brown and fork-tender.
  10. Allow cooling slightly before serving; garnish with fresh chives.

Nutrition

  • Serving Size: 1 cup (150g)
  • Calories: 340
  • Sugar: 3g
  • Sodium: 460mg
  • Fat: 24g
  • Saturated Fat: 14g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 27g
  • Fiber: 3g
  • Protein: 8g
  • Cholesterol: 50mg

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