Crispy Parmesan and Gruyère Potato Gratin is an indulgent dish that elevates any meal. This creamy, cheesy delight features layers of tender potatoes, infused with garlic, and topped with a golden crust. Perfect for holidays, dinner parties, or cozy family dinners, this gratin is sure to impress with its rich flavors and inviting aroma.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Gratin
- For the Cheese Layers
- For Garnish
- How to Make Crispy Parmesan and Gruyère Potato Gratin
- Step 1: Preheat the Oven
- Step 2: Prep the Sauce
- Step 3: Layer the Gratin
- Step 4: Repeat Layers
- Step 5: Bake
- Step 6: Cool & Serve
- How to Serve Crispy Parmesan and Gruyère Potato Gratin
- With Roasted Meats
- As Part of a Holiday Meal
- Alongside Fresh Salads
- How to Perfect Crispy Parmesan and Gruyère Potato Gratin
- Best Side Dishes for Crispy Parmesan and Gruyère Potato Gratin
- Common Mistakes to Avoid
- Refrigerator Storage
- Freezing Crispy Parmesan and Gruyère Potato Gratin
- Reheating Crispy Parmesan and Gruyère Potato Gratin
- Frequently Asked Questions
- What is Crispy Parmesan and Gruyère Potato Gratin?
- Can I make this gratin ahead of time?
- What can I serve with Crispy Parmesan and Gruyère Potato Gratin?
- How do I customize my potato gratin?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Decadent Flavor: The combination of Parmesan and Gruyère cheeses creates a rich and savory taste that stands out.
- Versatile Dish: This potato gratin pairs beautifully with roasted meats, fish, or a fresh salad, making it suitable for various occasions.
- Easy to Prepare: With straightforward steps and minimal prep time, you can whip up this side dish without stress.
- Impressive Presentation: The golden-brown top layer adds an attractive touch that will wow your guests.
- Comfort Food Classic: This gratin is the ultimate comfort food that brings warmth and satisfaction to any table.
Tools and Preparation
To prepare Crispy Parmesan and Gruyère Potato Gratin efficiently, you’ll need some essential tools. Having the right equipment ensures a smooth cooking process.
Essential Tools and Equipment
- 9×13-inch baking dish
- Sharp knife or mandoline slicer
- Saucepan
- Whisk
- Mixing spoon
- Aluminum foil
Importance of Each Tool
- 9×13-inch baking dish: This size allows for even layering of the potatoes and ensures proper cooking throughout.
- Mandoline slicer: Achieving uniform potato slices becomes easy with this tool, ensuring even cooking and texture.
- Saucepan: A good saucepan is vital for preparing the creamy sauce without burning.
Ingredients
For the Gratin
- 2 lbs Yukon gold or russet potatoes, peeled and thinly sliced (1/8 inch thick)
- 1 tablespoon unsalted butter, for greasing dish
- 1 1/2 cups heavy cream
- 1/2 cup whole milk
- 2 cloves garlic, minced
- 1/2 teaspoon salt
- 1/4 teaspoon freshly ground black pepper
- Pinch of ground nutmeg, optional
For the Cheese Layers
- 1 cup freshly grated Gruyère cheese
- 1/2 cup grated Parmesan cheese
- 1 tablespoon fresh thyme leaves, optional
For Garnish
- 2 tablespoons fresh parsley, finely chopped

How to Make Crispy Parmesan and Gruyère Potato Gratin
Step 1: Preheat the Oven
Preheat your oven to 375°F (190°C). Lightly butter your 9×13-inch baking dish to prepare it for layering.
Step 2: Prep the Sauce
In a saucepan:
1. Combine heavy cream, whole milk, minced garlic, salt, pepper, and nutmeg (if using).
2. Warm gently over low heat while stirring occasionally. Do not let it boil.
3. Remove from heat once fragrant.
Step 3: Layer the Gratin
In your buttered baking dish:
1. Arrange half of the sliced potatoes in overlapping layers.
2. Pour half of the prepared cream mixture over the potatoes.
3. Sprinkle with half of both cheeses—Gruyère and Parmesan.
4. Add half of the thyme if desired.
Step 4: Repeat Layers
Repeat the process:
1. Layer the remaining potatoes on top.
2. Pour over the rest of the cream mixture.
3. Top with remaining cheeses and thyme.
Step 5: Bake
Cover the dish with foil:
1. Bake for 35–40 minutes.
2. Remove foil and continue baking for another 20–25 minutes until the top is golden brown and crispy.
3. Ensure that the potatoes are fork-tender before removing from oven.
Step 6: Cool & Serve
Let your gratin sit for about 10–15 minutes before serving. This resting time allows it to set perfectly for clean slicing. Enjoy your delicious Crispy Parmesan and Gruyère Potato Gratin!
How to Serve Crispy Parmesan and Gruyère Potato Gratin
Crispy Parmesan and Gruyère Potato Gratin is a delightful dish that can elevate any meal. It pairs wonderfully with various main courses and sides, making it a versatile addition to your dining table.
With Roasted Meats
- Roasted Chicken: The creamy gratin complements the savory flavor of roasted chicken perfectly.
- Beef Tenderloin: A rich beef tenderloin served with this gratin creates a luxurious dining experience.
As Part of a Holiday Meal
- Honey-Glazed Ham: The sweetness of ham balances the savory cheese flavors in the gratin beautifully.
- Herb-Crusted Lamb: This dish adds an indulgent touch to herb-crusted lamb, making it a standout on your holiday table.
Alongside Fresh Salads
- Mixed Green Salad: A light salad provides a fresh contrast to the richness of the gratin.
- Caesar Salad: The tangy dressing in Caesar salad pairs well with the cheesy layers of the gratin.
How to Perfect Crispy Parmesan and Gruyère Potato Gratin
Achieving the perfect Crispy Parmesan and Gruyère Potato Gratin requires attention to detail. Here are some tips to ensure your dish is flawless every time.
- Use Fresh Ingredients: Fresh potatoes and dairy will enhance flavor and texture. Always opt for freshly grated cheeses for optimal melting.
- Slice Potatoes Thinly: Aim for uniform slices about 1/8 inch thick. This ensures even cooking throughout the gratin.
- Layer Wisely: Alternate layers of potatoes and cheese, as well as cream mixture, for balanced flavor distribution.
- Cover During Baking: Start by covering the dish with foil to prevent over-browning. Remove it towards the end for that crispy golden top.
- Let It Rest: Allow the gratin to sit for 10–15 minutes after baking. This helps it set up nicely for clean slices.
- Garnish Before Serving: A sprinkle of fresh herbs like thyme or parsley adds color and freshness right before serving.

Best Side Dishes for Crispy Parmesan and Gruyère Potato Gratin
When planning your meal, consider pairing your Crispy Parmesan and Gruyère Potato Gratin with these delicious side dishes that complement its richness.
- Garlic Roasted Asparagus: Tender asparagus spears seasoned with garlic provide a nice crunch alongside the creamy gratin.
- Braised Brussels Sprouts: These nutty sprouts add depth and contrast in flavor, enhancing your overall meal.
- Creamed Spinach: The creamy texture mirrors that of the gratin, creating a comforting combination on your plate.
- Caramelized Carrots: Sweet caramelized carrots offer a hint of sweetness that pairs beautifully with cheesy dishes.
- Grilled Corn on the Cob: Bright and sweet corn adds summer vibes, perfect for outdoor gatherings or barbecues.
- Quinoa Salad: A light quinoa salad brings freshness and health benefits, balancing out the richness of potato gratin.
Common Mistakes to Avoid
When preparing Crispy Parmesan and Gruyère Potato Gratin, avoiding common pitfalls can elevate your dish. Here are some mistakes to watch out for:
Using the wrong potatoes: Not all potatoes are created equal. Choose Yukon gold or russet potatoes for the best texture and flavor in your gratin.
Skipping the garlic infusion: Garlic adds depth to the cream mixture. Make sure to gently warm it with the cream and milk; do not skip this step!
Layering unevenly: Proper layering ensures even cooking and flavor distribution. Take your time to arrange the potatoes and cheese evenly for a perfect bake.
Not letting it cool before serving: Cutting into the gratin too soon can cause it to fall apart. Allow it to sit for 10–15 minutes after baking for better slices.
Overbaking or underbaking: Keep an eye on the baking time, as different ovens can vary. Look for a golden-brown top and fork-tender potatoes.
Refrigerator Storage
- Store in an airtight container.
- Keep in the refrigerator for up to 3 days.
Freezing Crispy Parmesan and Gruyère Potato Gratin
- Freeze in a freezer-safe container or wrap tightly in plastic wrap and foil.
- It can last up to 2 months in the freezer.
Reheating Crispy Parmesan and Gruyère Potato Gratin
Oven: Preheat to 350°F (175°C). Cover with foil and heat for about 20-25 minutes until warmed through.
Microwave: Heat individual portions at medium power for about 2-3 minutes, checking often.
Stovetop: Place in a skillet over low heat, stirring gently until heated throughout.

Frequently Asked Questions
What is Crispy Parmesan and Gruyère Potato Gratin?
Crispy Parmesan and Gruyère Potato Gratin is a rich side dish featuring layers of thinly sliced potatoes baked with cream, garlic, and two types of cheese.
Can I make this gratin ahead of time?
Yes, you can prepare it up to the baking stage, cover it well, and refrigerate for a day before baking.
What can I serve with Crispy Parmesan and Gruyère Potato Gratin?
This dish pairs wonderfully with roasted meats, such as chicken or beef, as well as fresh salads for balance.
How do I customize my potato gratin?
Feel free to add vegetables like spinach or mushrooms or experiment with different cheeses based on your preference!
Final Thoughts
Crispy Parmesan and Gruyère Potato Gratin is not just a side dish; it’s an experience that brings comfort and indulgence to any meal. Its creamy layers combined with crunchy cheese make it irresistible. Plus, you can easily customize it with your favorite ingredients! Try making this delicious gratin at home—you won’t be disappointed!
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Crispy Parmesan and Gruyère Potato Gratin
- Total Time: 1 hour 20 minutes
- Yield: Approximately 6 servings 1x
Description
Crispy Parmesan and Gruyère Potato Gratin is a luxurious dish that transforms simple ingredients into an unforgettable experience. This gratin features layers of tender, thinly sliced potatoes enveloped in a creamy garlic-infused sauce and topped with a golden, crispy cheese crust. Perfect for any gathering, from holiday feasts to intimate family dinners, this recipe balances rich flavors with an inviting aroma that fills the kitchen. Impressive yet easy to prepare, it’s the ideal comfort food that will leave your guests raving.
Ingredients
- 2 lbs Yukon gold or russet potatoes (peeled and thinly sliced)
- 1 tablespoon unsalted butter (for greasing)
- 1 1/2 cups heavy cream
- 1/2 cup whole milk
- 2 cloves garlic (minced)
- 1/2 teaspoon salt
- 1/4 teaspoon freshly ground black pepper
- Pinch of ground nutmeg (optional)
- 1 cup grated Gruyère cheese
- 1/2 cup grated Parmesan cheese
- Optional: fresh thyme leaves and parsley for garnish
Instructions
- Preheat the oven to 375°F (190°C) and grease a 9×13-inch baking dish with butter.
- In a saucepan, warm heavy cream, whole milk, garlic, salt, pepper, and nutmeg over low heat.
- Layer half of the potato slices in the baking dish; pour half of the cream mixture over them and sprinkle with half of both cheeses.
- Repeat layering with remaining potatoes, cream mixture, cheeses, and thyme if using.
- Cover with foil and bake for 35–40 minutes; then uncover and bake for another 20–25 minutes until golden brown.
- Allow to cool for 10–15 minutes before serving.
- Prep Time: 20 minutes
- Cook Time: 60 minutes
- Category: Side
- Method: Baking
- Cuisine: French
Nutrition
- Serving Size: 1 serving
- Calories: 380
- Sugar: 3g
- Sodium: 550mg
- Fat: 24g
- Saturated Fat: 14g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 33g
- Fiber: 3g
- Protein: 10g
- Cholesterol: 70mg