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Homemade Scalloped Potatoes with Cheese

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Homemade Scalloped Potatoes with Cheese are the ultimate comfort food, featuring creamy layers of russet potatoes cooked in a rich, cheesy sauce. The golden, crispy cheese topping adds a satisfying crunch, making this dish perfect for holiday meals or family gatherings.

Ingredients

¼ cup butter (½ stick)

1 onion, thinly sliced

1 tablespoon kosher salt (use less if using table salt)

¼ teaspoon black pepper

¼ teaspoon cayenne pepper

¼ teaspoon dried thyme

5 cloves garlic, smashed and minced

6 tablespoons flour

4 cups heavy cream

½ cup Parmesan cheese, shredded

4 pounds russet potatoes, peeled and sliced to 1/8 inch

3 cups sharp cheddar cheese, shredded (divided in half)

Instructions

  1. Preheat the oven: Preheat your oven to 400°F (200°C). Grease the bottom and sides of a 9×13-inch casserole dish with butter or nonstick spray.
  2. Cook the onions and seasoning: Melt butter over medium heat in a large pot. Sauté the onion for 4-6 minutes, add seasonings (salt, pepper, cayenne, thyme), and cook garlic for 30 seconds.
  3. Make the sauce: Gradually add flour and cook for 30 seconds. Slowly pour in cream while whisking, then stir in Parmesan until melted.
  4. Prepare the potatoes: Slice russet potatoes into 1/8-inch rounds, then add them to the sauce. Let the mixture simmer for 10 minutes, stirring occasionally.
  5. Assemble the casserole: Pour half the potato mixture into the greased casserole dish, sprinkle with 1 ½ cups of cheddar. Add the rest of the mixture and top with the remaining cheddar.
  6. Bake the casserole: Cover with foil and bake for 40 minutes. Uncover and bake for an additional 10-15 minutes until the cheese is bubbly and golden. Check for doneness with a butter knife.
  7. Let it rest: Remove from oven and rest for 10 minutes before serving.

Notes

For a herb-infused flavor, add rosemary, thyme, or parsley to the sauce.

Add cooked bacon bits to the sauce for extra flavor.

For a vegan version, use plant-based butter, dairy-free cream, and vegan cheese.

Nutrition