Costco Scalloped Potatoes Recipe

What is Costco Scalloped Potatoes?

Costco Scalloped Potatoes are a popular pre-packaged side dish sold at Costco, a membership-based warehouse club. These scalloped potatoes are known for their creamy and cheesy flavor, featuring thinly sliced potatoes baked in a rich sauce.


2 lbs potatoes, thinly sliced 1 cup heavy cream 1 cup whole milk 3 tablespoons butter 3 tablespoons all-purpose flour 1 cup shredded cheddar cheese 1 cup shredded Gruyere cheese 1 teaspoon salt 1/2 teaspoon black pepper 1/2 teaspoon garlic powder 1/4 teaspoon nutmeg 1/4 cup grated Parmesan cheese Fresh parsley, chopped (for garnish)

Step 1

Preheat your oven to 375°F (190°C) and grease a 9x13-inch baking dish, and Thinly slice the potatoes and set them aside.

Step 2

In a medium saucepan, melt the butter over medium heat, then stir in the flour and cook for about 1 minute, stirring constantly.

Step 3

Gradually add the heavy cream and whole milk, whisking until the mixture is smooth and thickened.

Step 4

Add the salt, black pepper, garlic powder, and nutmeg, and stir in the shredded cheddar and Gruyere cheeses until melted and the sauce is smooth.