Classic Potato Gratin Recipe | Ceramic Baking Dish

Few dishes are as comforting and impressive as a perfectly executed potato gratin. This French classic features thinly sliced potatoes layered with cream, garlic, and Gruyère cheese, baked until golden and bubbling. A 9x13-inch ceramic rectangular baking dish is the ideal vessel—its shallow depth ensures maximum crispy top surface while ceramic retains heat beautifully for oven-to-table elegance. This recipe delivers creamy, tender potatoes beneath a golden, cheese-crusted top. It's the perfect side dish for roasted meats, holiday dinners, or any time you want to elevate a simple meal. Yield 6 servings Prep Time 20 minutes Cook Time 1 hour 15 minutes Ingredients 2 lbs (900g) Yukon Gold potatoes, peeled and sliced 1/8-inch thick 2 cups (480ml) heavy cream 1 cup (240ml) whole milk 3 cloves garlic, minced 1½ cups (150g) Gruyère cheese, grated (divided) 1 tsp fresh thyme leaves (or ½ tsp dried thyme) 1 tsp sea salt ½ tsp freshly ground black pepper ¼ tsp freshly grated nutmeg 2 tbsp unsalted butter, for greasing the dish Instructions Preheat and Prep: Preheat your oven to 375°F (190°C). Generously butter your 9x13-inch ceramic baking dish. Make the Cream Mixture: In a medium saucepan, combine the heavy cream, milk, minced garlic, thyme, salt, pepper, and nutmeg. Heat over medium heat until it just begins to simmer, then remove from heat. This infuses the cream with flavor. Layer the Potatoes: Arrange one-third of the sliced potatoes in an overlapping layer in the bottom of the prepared dish. Sprinkle with ⅓ cup of the Gruyère. Repeat with two more layers of potatoes and cheese, reserving ½ cup of cheese for the top. Add the Cream: Slowly pour the warm cream mixture evenly over the layered potatoes. Gently press down on the potatoes with a spatula to ensure they're submerged in the cream. Top with Cheese: Sprinkle the remaining ½ cup of Gruyère evenly over the top. Bake Covered: Cover the dish tightly with aluminum foil and bake for 45 minutes. Bake Uncovered: Remove the foil and continue baking for 25-30 minutes until the top is golden brown and the potatoes are tender when pierced with a knife. Rest and Serve: Let the gratin rest for 10 minutes before serving. This allows the cream to thicken and makes serving easier. The ceramic dish will keep it hot. Cook's Note Slicing the potatoes uniformly is key to even cooking. A mandoline makes quick work of this and ensures consistent 1/8-inch slices. If you don't have one, use a sharp knife and take your time—it's worth the effort for perfectly tender layers. Common Mistakes to Avoid Slicing potatoes too thick: Thick slices won't cook through properly. Aim for 1/8-inch thickness for the best texture. Not pressing down the layers: Air pockets prevent even cooking. Press gently to submerge potatoes in cream. Skipping the rest time: The gratin needs 10 minutes to set. Cutting too soon results in a runny, messy serving. Using pre-shredded cheese: Pre-shredded cheese contains anti-caking agents that prevent smooth melting. Grate your own for the best results. Substitution Guide 🥇 1. Russet Potatoes Why it works: Higher starch content creates a creamier texture Absorbs cream beautifully How to use it:Substitute 1:1 for Yukon Gold. The gratin will be slightly fluffier and more absorbent. 🥈 2. Swiss or Emmental Cheese Why it works: Similar nutty, mild flavor to Gruyère Melts smoothly How to use it:Substitute 1:1 for Gruyère. The flavor will be slightly milder but still delicious. 🥉 3. Half-and-Half Instead of Cream + Milk Why it works: Simpler with one ingredient instead of two Slightly lighter but still creamy How to use it:Use 3 cups half-and-half to replace the 2 cups cream + 1 cup milk. The gratin will be slightly less rich but still excellent. Quick Decision Guide Want the creamiest texture? → Use Russet potatoes Can't find Gruyère? → Use Swiss or Emmental Want to simplify? → Use half-and-half instead of cream and milk Serving Suggestions This gratin is the perfect accompaniment to roasted chicken, beef tenderloin, lamb chops, or holiday ham. It's also elegant enough to serve as a vegetarian main course with a crisp green salad. The beautiful presentation in a ceramic dish means you can bring it straight from oven to table. Variations Garlic Lover's Gratin: Increase garlic to 5 cloves and add thin garlic slices between potato layers Herb Gratin: Add fresh rosemary or sage along with the thyme Cheesy Gratin: Mix in ½ cup Parmesan with the Gruyère for extra depth Root Vegetable Gratin: Replace half the potatoes with thinly sliced sweet potatoes or celery root

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