Potatoes Au Gratin

Why You’ll Love This Recipe

I love this recipe because it transforms simple ingredients into a luxurious dish with incredible flavor and texture. The potatoes become tender and creamy while the cheese creates a beautifully golden crust on top. I also appreciate that it pairs well with a variety of main courses, making it a versatile addition to both special occasions and everyday meals.

Ingredients

(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)

• 4 tablespoons softened unsalted butter, divided
• 3 pounds russet potatoes, peeled
• 1 cup heavy cream
• 1/2 cup shredded white cheddar cheese
• 6 tablespoons grated Parmesan cheese, divided
• 3 garlic cloves, minced
• Salt, to taste
• Black pepper, to taste

Directions

1. I preheat the oven to 375°F and grease a baking dish with 2 tablespoons of butter.
2. I slice the potatoes very thinly, preferably using a mandolin for even slices.
3. In a large mixing bowl, I combine the heavy cream, shredded cheddar cheese, 4 tablespoons of Parmesan cheese, and minced garlic.
4. I add the sliced potatoes and toss them until they are thoroughly coated in the cream mixture.
5. I season generously with salt and pepper and toss again.
6. I arrange the potato slices upright in the prepared baking dish, creating neat rows until all the potatoes are used.
7. I pour any remaining cream mixture evenly over the potatoes.
8. I lightly season the top with additional salt and pepper.
9. I dot the surface with the remaining 2 tablespoons of butter.
10. I cover the dish with foil and bake for 35 to 40 minutes.
11. I remove the foil, sprinkle the remaining Parmesan cheese over the top, and continue baking for 25 to 30 minutes, or until the potatoes are fork-tender.
12. I place the dish under the broiler for about 1 minute to achieve a beautifully browned top.
13. I let the potatoes cool for about 10 minutes before serving.

Servings and timing

• Servings: 8
• Preparation Time: 20 minutes
• Cook Time: 1 hour 10 minutes
• Resting Time: 10 minutes
• Total Time: 1 hour 30 minutes

Variations

I sometimes substitute Gruyère cheese for the cheddar to create a more traditional French-inspired gratin. For extra richness, I add a layer of caramelized onions between the potato slices. When I want additional flavor, I mix fresh thyme or rosemary into the cream mixture. I also enjoy adding crispy cooked bacon pieces for a heartier version of this classic dish.

storage/reheating

I store leftover Potatoes Au Gratin in an airtight container in the refrigerator for up to 4 days. To reheat, I place the potatoes in a 350°F oven for about 15 to 20 minutes until heated through. I can also microwave individual portions for convenience, although the oven helps maintain the best texture. If needed, I add a small splash of cream before reheating to keep the potatoes moist.

FAQs

What are the best potatoes for Potatoes Au Gratin?

I prefer russet potatoes because their starch content helps create a creamy texture while maintaining structure during baking.

Can I make Potatoes Au Gratin ahead of time?

Yes, I can assemble the dish several hours or even one day ahead and refrigerate it before baking.

Why should I slice the potatoes thinly?

Thin slices cook more evenly and absorb the cream mixture better, resulting in a tender and creamy gratin.

Can I use different cheeses?

Absolutely. I often use Gruyère, Swiss, Fontina, or a combination of cheeses depending on the flavor profile I want.

How do I know when the gratin is done?

I test the potatoes with a fork. If the fork slides easily through the layers and the top is golden brown, the dish is ready.

Conclusion

I enjoy making Potatoes Au Gratin because it combines simple pantry staples into a rich and comforting side dish. The creamy layers of potatoes, garlic, and cheese create a satisfying texture and flavor that complements almost any main course. Whether served during the holidays or as part of a cozy family dinner, this timeless recipe always earns a place on the table.

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