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Ultimate Creamy Slow Cooker Scalloped Potatoes and Ham Casserole

A close-up serving of creamy scalloped potatoes and ham topped with melted, browned cheddar cheese.

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Make a rich, cheesy, and creamy scalloped potato and ham casserole easily in your slow cooker. This recipe is perfect for using leftover ham and serves as a hearty family dinner or holiday side dish.

Ingredients

Scale
  • 3 pounds russet potatoes, peeled and thinly sliced
  • 1 pound fully cooked ham, diced
  • 1 medium onion, thinly sliced
  • 1 can (10.5 ounces) condensed cream of chicken soup
  • 1 cup heavy cream
  • 1 cup milk
  • 1 cup shredded sharp cheddar cheese, divided
  • 1/2 cup shredded smoked Gouda cheese
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon garlic powder

Instructions

  1. Lightly grease the inside of your slow cooker insert.
  2. Arrange half of the sliced potatoes in an even layer on the bottom of the slow cooker.
  3. Sprinkle half of the diced ham and half of the sliced onion over the potatoes.
  4. In a separate bowl, whisk together the cream of chicken soup, heavy cream, milk, half of the cheddar cheese, the Gouda cheese, salt, pepper, and garlic powder until smooth.
  5. Pour half of the cream mixture evenly over the potato and ham layer.
  6. Repeat the layering process: remaining potatoes, remaining ham, remaining onion, and the rest of the cream mixture.
  7. Cover the slow cooker and cook on LOW for 6 to 7 hours or on HIGH for 3 to 4 hours, until the potatoes are tender when pierced with a fork.
  8. During the last 30 minutes of cooking, sprinkle the remaining 1/2 cup of cheddar cheese over the top. Replace the lid until the cheese is melted and bubbly.
  9. Let the casserole rest for 10 minutes before serving.

Notes

  • Slice your potatoes uniformly thin, about 1/8 inch thick, for even cooking. A mandoline slicer works well for this.
  • If you do not have cream of chicken soup, you can substitute it with 1 cup of a white sauce made from 2 tablespoons butter, 2 tablespoons flour, and 1 cup chicken broth, thickened slightly.
  • For a richer flavor, use smoked ham or add a dash of smoked paprika to the sauce mixture.

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