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Cheddar Scalloped Potatoes

A serving of cheddar scalloped potatoes garnished with herbs on a plate

Cheddar Scalloped Potatoes are the ultimate comfort food side dish—layered with thinly sliced potatoes and smothered in a creamy cheddar cheese sauce. Baked until bubbly and golden, this crowd-pleasing casserole is perfect for holidays, potlucks, or any cozy dinner. Made with simple pantry ingredients and easy prep, it’s the kind of dish that disappears fast and always earns rave reviews. Customize it with Gruyère or Parmesan for extra cheesy flavor, or keep it classic with sharp cheddar.

Ingredients

Scale
  • 10 cups Yukon Gold or Russet potatoes, thinly sliced (⅛-inch)

  • 2 cups sharp cheddar cheese, shredded

  • 2 cups heavy cream (or half-and-half)

  • 3 tbsp unsalted butter

  • 3 tbsp all-purpose flour

  • 1 tsp salt

  • ½ tsp black pepper

  • 2 cloves garlic, minced

  • 1 tsp fresh thyme (optional)

  • ½ tsp nutmeg (optional)

  • Extra cheddar for topping

 

Instructions

  1. Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish with butter or oil spray.

  2. Slice potatoes into thin rounds using a mandoline or sharp knife.

  3. Make the sauce: In a saucepan, melt butter. Whisk in flour to make a roux. Slowly add cream while whisking. Cook until thickened.

  4. Stir in shredded cheddar, salt, pepper, garlic, and optional thyme or nutmeg until cheese is fully melted.

  5. Layer: Arrange ⅓ of the potato slices in the baking dish. Pour ⅓ of the cheese sauce over. Repeat twice more.

  6. Top with cheese and cover with foil.

  7. Bake for 35 minutes covered. Remove foil and bake another 20–25 minutes until top is golden and bubbly.

  8. Let rest 10–15 minutes before serving for the sauce to set.

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