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Classic Creamy Scalloped Potatoes and Ham Casserole

A thick, cheesy slice of baked scalloped potatoes and ham with a golden-brown crust.

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A rich, cheesy baked casserole featuring thinly sliced potatoes and savory ham in a creamy sauce.

Ingredients

Scale
  • 3 lbs Russet potatoes, peeled and thinly sliced
  • 1 lb fully cooked ham, diced
  • 4 tablespoons unsalted butter
  • 1/4 cup all-purpose flour
  • 2 cups whole milk
  • 1 cup heavy cream
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon nutmeg
  • 2 cups shredded sharp cheddar cheese, divided

Instructions

  1. Preheat your oven to 375 degrees Fahrenheit. Grease a 9×13 inch baking dish.
  2. Place the sliced potatoes and diced ham evenly in the prepared baking dish.
  3. In a medium saucepan, melt the butter over medium heat. Whisk in the flour and cook for one minute, stirring constantly.
  4. Gradually whisk in the milk and heavy cream until the mixture is smooth.
  5. Bring the sauce to a simmer, stirring until it thickens slightly, about 5 to 7 minutes.
  6. Remove the sauce from the heat. Stir in the salt, pepper, nutmeg, and 1 cup of the cheddar cheese until the cheese melts.
  7. Pour the cheese sauce evenly over the potatoes and ham in the baking dish. Gently toss to coat everything.
  8. Cover the baking dish tightly with aluminum foil.
  9. Bake for 45 minutes.
  10. Remove the foil. Sprinkle the remaining 1 cup of cheddar cheese over the top.
  11. Return the dish to the oven, uncovered, and bake for another 15 to 20 minutes, or until the potatoes are tender and the top is golden brown and bubbly.
  12. Let the casserole rest for 10 minutes before serving.

Notes

  • For a slow cooker version, layer the potatoes and ham, pour the sauce over, and cook on low for 6 to 8 hours or high for 3 to 4 hours. Add cheese for the last 30 minutes of cooking.
  • Slice potatoes about 1/8 inch thick for best results. A mandoline slicer works well for uniform thickness.
  • You can substitute Gruyere cheese for some of the cheddar for a deeper flavor.

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