Name: Cheesy Scalloped Potatoes with Garlic and Thyme Recipe
Prep time: 20 min
Cook time: 1 h 10 min
Total time: 1 h 30 min
Cuisine: American
Ingredients: 3 tablespoons unsalted butter, plus more for greasing the pan; ¼ cup all-purpose flour; 2 cups whole milk; 1 cup vegetable broth; 4 garlic cloves, grated; 1 tablespoon fresh thyme leaves, chopped; 2 teaspoons sea salt; ½ teaspoon freshly ground black pepper; 3 pounds Yukon Gold potatoes, sliced ⅛-inch thick; ½ medium yellow onion, thinly sliced; 1½ cups grated cheddar cheese

Jump to Recipe· 4.1 from 11 reviews

If you are searching for a comforting and irresistibly delicious side dish that feels like a warm hug on a plate, look no further than this Cheesy Scalloped Potatoes with Garlic and Thyme Recipe. Each slice of tender Yukon Gold potatoes is lovingly wrapped in a creamy, garlicky, and herb-infused cheese sauce that melts perfectly during baking, creating a golden, bubbly top layer that will have everyone asking for seconds. This dish is not only a classic staple at family dinners but also a brilliant way to elevate any meal with simple, fresh ingredients that transform into something truly magical.

Ingredients You'll Need

The image shows a white rectangular baking dish filled with one layer of thinly sliced potatoes that are light yellow with smooth edges, arranged evenly side by side to cover the bottom. On top of this potato layer are thin, translucent slices of white onions scattered randomly but not covering the entire potato surface. The baking dish rests on a white marbled surface, with a beige striped cloth nearby. Photo taken with an iphone --ar 4:5 --v 7

The beauty of this Cheesy Scalloped Potatoes with Garlic and Thyme Recipe lies in its straightforward yet thoughtfully selected ingredients. Each component plays a crucial role in building deep, comforting flavors and the perfect creamy texture.

Unsalted butter (3 tablespoons): Essential for creating a silky roux that forms the base of your creamy sauce.
All-purpose flour (¼ cup): Gives body and thickness to the sauce, ensuring it clings beautifully to each potato slice.
Whole milk (2 cups): Adds richness and softness, balancing the earthiness of the potatoes.
Vegetable broth (1 cup): Introduces a savory depth that keeps the sauce light and flavorful.
Garlic cloves (4, grated): Infuses the sauce with aromatic warmth that punctuates every bite.
Fresh thyme leaves (1 tablespoon, chopped): Brings an herby brightness that perfectly complements the creamy and cheesy flavors.
Sea salt (2 teaspoons): Enhances all the natural tastes and balances the richness.
Freshly ground black pepper (½ teaspoon): Lends a gentle kick to brighten the dish subtly.
Yukon Gold potatoes (3 pounds, sliced ⅛-inch thick): Their creamy texture and buttery flavor make them ideal for scalloped potatoes.
Yellow onion (½ medium, thinly sliced): Adds subtle sweetness and texture contrasts between layers.
Grated cheddar cheese (1½ cups): Melts into gooey, golden goodness that ties the entire dish together deliciously.

How to Make Cheesy Scalloped Potatoes with Garlic and Thyme Recipe

Step 1: Prepare the Baking Dish and Heat the Oven

Begin by preheating your oven to 400°F and generously greasing a 9x13-inch baking dish with butter. This prevents sticking and gives the scalloped potatoes a nice browned edge. Getting this ready upfront ensures a smooth cooking process and a beautiful presentation.

Step 2: Create the Creamy Garlic and Thyme Sauce

In a medium skillet, melt your butter over medium heat. As soon as the butter is melted, whisk in the all-purpose flour and keep whisking for about a minute to cook out the raw flour taste. Slowly pour in the whole milk, followed by the vegetable broth, whisking constantly so the mixture becomes smooth and thickens. Stir in the grated garlic, chopped fresh thyme, sea salt, and freshly ground pepper. Continue cooking for 2 to 3 minutes until the sauce lightly coats the back of a spoon, making a luscious base for your scalloped potatoes.

Step 3: Layer Your Potatoes, Onions, Sauce, and Cheese

Start layering half of the thinly sliced Yukon Gold potatoes into the bottom of your greased baking dish for even cooking. Add half of the thinly sliced yellow onion on top, then spread half of the creamy garlic and thyme sauce over this. Sprinkle 1 cup of grated cheddar cheese evenly on top to add a rich cheesy layer. Repeat this process with the remaining potatoes, onions, sauce, and finish with the final half cup of cheddar cheese, creating irresistible layers of comfort.

Step 4: Bake Covered, Then Uncovered for the Perfect Finish

Cover your dish with foil and bake for 30 minutes. This traps steam, allowing the potatoes to become tender. After 30 minutes, remove the foil and continue baking uncovered for 35 to 40 minutes. This step lets the cheese bubble and brown beautifully, forming that oh-so-important golden crust and deep flavor notes. Let the scalloped potatoes stand at room temperature for 20 minutes before serving so the sauce can set slightly, making slicing easier and flavors more harmonious.

How to Serve Cheesy Scalloped Potatoes with Garlic and Thyme Recipe

A white baking dish filled with a golden potato gratin, showing about five layers of thin potato slices soaked in creamy sauce. The top layer has a nicely browned, slightly crispy cheese crust with some small green herb leaves scattered on top. A white spoon lifts a portion from the corner, revealing soft, creamy potato layers inside with a few strands of cooked onions visible. The dish is placed on a white marbled surface with a light-colored cloth in the background. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Sprinkle a little fresh thyme or chopped parsley over the top just before serving to enhance the dish’s vibrant aroma and add a fresh green pop of color. A light dusting of smoked paprika can bring a subtle warmth that pairs wonderfully with the cheddar cheese.

Side Dishes

This Cheesy Scalloped Potatoes with Garlic and Thyme Recipe shines alongside roasted meats like herb-crusted chicken or juicy pork tenderloin. Pair it with steamed green beans or a crisp salad to balance the richness and make your meal feel complete and satisfying.

Creative Ways to Present

Serve these scalloped potatoes in individual ramekins for personal portions or impress guests by stacking neat slices on plates for a restaurant-style presentation. For a fun twist, mix in caramelized onions or swap the cheddar for Gruyère to customize your version of this classic recipe.

Make Ahead and Storage

Storing Leftovers

Once cooled completely, cover the dish tightly with foil or transfer leftovers to an airtight container. Stored in the refrigerator, your scalloped potatoes will stay delicious for up to 4 days, allowing you to enjoy this comforting dish again with minimal effort.

Freezing

You can freeze leftover scalloped potatoes by placing them in a freezer-safe container. For best results, freeze within 2 days of cooking. When properly wrapped, they’ll maintain flavor and texture for up to 2 months. Just thaw in the refrigerator overnight before reheating.

Reheating

To reheat, place your scalloped potatoes in an oven-safe dish and cover loosely with foil to prevent drying out. Heat at 350°F for about 20-30 minutes until warmed through. You can also microwave smaller portions, covering them with a damp paper towel for even heating. This ensures the sauce stays creamy and the top remains nice and cheesy.

FAQs

Can I use different types of potatoes in this Cheesy Scalloped Potatoes with Garlic and Thyme Recipe?

Absolutely! While Yukon Gold potatoes are ideal for their buttery texture and flavor, russets or red potatoes can work as well. Just be sure to slice them evenly and adjust the cooking time if needed since different potatoes cook at slightly different rates.

Is it possible to make this recipe dairy-free?

Yes! You can substitute the butter with olive oil or a vegan butter alternative, use a plant-based milk like almond or oat milk, and swap cheddar cheese for a dairy-free cheese substitute. Just keep in mind the sauce consistency might vary slightly, so whisk carefully to get it just right.

How can I make this Cheesy Scalloped Potatoes with Garlic and Thyme Recipe ahead of time?

You can assemble the dish up to a day in advance, cover it tightly with foil, and refrigerate it until you’re ready to bake. This lets the flavors meld beautifully, and then you just pop it in the oven when it’s time to serve.

What can I add to this recipe to make it more substantial?

Adding cooked bacon bits, sautéed mushrooms, or caramelized onions between layers can give extra texture and flavor. For a protein boost, serve it alongside roasted chicken or use diced ham in the layers for a heartier dish.

How do I get the top of my scalloped potatoes extra crispy?

Try finishing the dish under the broiler for 2 to 3 minutes after baking, watching carefully to avoid burning. Sprinkling a small amount of parmesan cheese mixed with breadcrumbs on top before baking also helps achieve that extra crispy, golden crust.

Final Thoughts

This Cheesy Scalloped Potatoes with Garlic and Thyme Recipe is a total game-changer for anyone who loves classic comfort food with a fresh twist. The creamy sauce, infused with garlic and thyme, paired with tender potatoes and melted cheddar, makes every bite feel like a celebration. Whether it’s for a special dinner or a cozy weeknight treat, you owe it to yourself to try this recipe and experience just how amazing simple ingredients can become when combined with a little love and patience.