Cheesy Scalloped Potatoes: A Creamy, Golden Comfort Food Recipe

Cheesy Scalloped Potatoes are the ultimate comfort side dish, combining thinly sliced potatoes with a rich, creamy cheese sauce and a golden baked topping. This classic recipe transforms simple potatoes into a luxurious dish with layers of tender potatoes, melted cheese, buttery cream, and savory seasonings.

Perfect for family dinners, holiday meals, potlucks, or weekend gatherings, cheesy scalloped potatoes pair beautifully with roasted meats, grilled chicken, seafood, or a fresh salad. The best version has soft potato slices that melt in your mouth, a creamy sauce between every layer, and a beautifully browned cheesy crust on top.

What Makes Cheesy Scalloped Potatoes Special?

Traditional scalloped potatoes are made with a creamy sauce between layers of thinly sliced potatoes. Adding cheese takes the dish to another level by creating a richer texture and deeper flavor.

The secret to perfect scalloped potatoes is patience. The potatoes need to be sliced evenly, the sauce must be smooth and flavorful, and the dish needs enough time in the oven for the potatoes to become tender while the cheese develops a golden crust.

Ingredients

For the Potato Layers

• 3 pounds potatoes (Yukon Gold or Russet potatoes work well)
• 2 cups shredded cheddar cheese
• 1 cup shredded mozzarella cheese
• ½ cup grated Parmesan cheese
• 1 small onion, thinly sliced (optional)

For the Creamy Cheese Sauce

• 4 tablespoons unsalted butter
• 3 cloves garlic, minced
• 4 tablespoons all-purpose flour
• 2 cups whole milk
• 1 cup heavy cream
• 1 teaspoon salt
• ½ teaspoon black pepper
• ½ teaspoon paprika
• ½ teaspoon onion powder
• ½ teaspoon garlic powder
• 1 teaspoon dried thyme or parsley
• A pinch of nutmeg (optional)

For the Topping

• ½ cup shredded cheddar cheese
• 2 tablespoons Parmesan cheese
• Fresh parsley for garnish (optional)

Step 1: Prepare the Potatoes

Start by washing and peeling the potatoes.

Slice them into thin, even rounds, about ⅛ inch (3 mm) thick. A mandoline slicer works best because it creates uniform slices, but a sharp knife can also be used.

Even slices are important because they allow all the potatoes to cook at the same speed. Thick pieces may remain firm while thinner pieces become too soft.

After slicing, place the potatoes in a bowl of cold water for a few minutes to remove excess starch. Drain and pat them dry before assembling the dish.

Step 2: Prepare the Baking Dish

Preheat your oven to 375°F (190°C).

Grease a 9×13-inch baking dish with butter or cooking spray.

Rubbing a little garlic on the dish before greasing it is an optional trick that adds extra flavor.

A glass or ceramic baking dish works well because it distributes heat evenly and helps create a beautifully browned top.

Step 3: Make the Creamy Cheese Sauce

Place a saucepan over medium heat.

Add the butter and allow it to melt completely.

Add the minced garlic and cook for about 30 seconds until fragrant. Be careful not to burn the garlic.

Sprinkle in the flour and whisk continuously for about 1 minute. This creates a roux, which will thicken the sauce.

Slowly pour in the milk and heavy cream while whisking. Continue stirring until the mixture becomes smooth.

Cook the sauce for 3–5 minutes until it starts to thicken.

Add:

• Salt
• Black pepper
• Paprika
• Onion powder
• Garlic powder
• Thyme
• Nutmeg (if using)

Stir well.

Step 4: Add the Cheese to the Sauce

Reduce the heat to low.

Gradually add the cheddar cheese, mozzarella, and Parmesan while stirring.

Continue mixing until the cheese melts completely and the sauce becomes smooth and creamy.

Taste the sauce and adjust the seasoning if needed.

The sauce should be rich, slightly thick, and full of cheesy flavor.

Step 5: Create the Potato Layers

Arrange a layer of sliced potatoes at the bottom of the prepared baking dish.

Add a small amount of sliced onion if you are using it.

Pour some cheese sauce over the potatoes, making sure they are lightly covered.

Repeat the layers:

1. Potatoes
2. Onion (optional)
3. Cheese sauce

Continue until all potatoes and sauce are used.

The final layer should be covered with cheese sauce.

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