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Easy Cheesy Crockpot Scalloped Potatoes

easy cheesy crockpot scalloped potatoes - featured image

A simple, comforting crockpot recipe for cheesy scalloped potatoes perfect for busy weeknights. Tender potatoes cooked low and slow in a creamy cheese sauce.

Ingredients

Scale
  • 3 pounds Yukon Gold or Russet potatoes, thinly sliced
  • 4 tablespoons unsalted butter, softened
  • 1/4 cup all-purpose flour
  • 2 cups whole milk
  • 2 cups shredded sharp cheddar cheese
  • 1/2 cup freshly grated Parmesan cheese
  • 1 teaspoon garlic powder
  • 1/2 teaspoon onion powder (optional)
  • Salt and black pepper to taste
  • 1 teaspoon fresh thyme, chopped (optional)

Instructions

  1. Wash and peel the potatoes (peeling optional). Slice into 1/8-inch thick rounds using a mandoline or sharp knife.
  2. In a mixing bowl, combine softened butter and flour. Whisk until smooth and creamy.
  3. Slowly add milk while whisking to avoid lumps. Stir in garlic powder, onion powder, salt, and pepper.
  4. Add 1 1/2 cups shredded cheddar and all Parmesan cheese. Mix until cheese melts into a smooth sauce.
  5. Lightly grease the crockpot with butter or non-stick spray.
  6. Arrange a layer of potato slices on the bottom, overlapping slightly. Pour about 1/3 cup of cheese sauce over the potatoes and sprinkle with fresh thyme if using.
  7. Repeat layering potatoes and cheese sauce until all are used, finishing with a layer of sauce on top.
  8. Sprinkle the reserved 1/2 cup shredded cheddar over the final layer.
  9. Cover and cook on low for 4 to 5 hours, or until potatoes are tender when pierced with a fork.
  10. About 15 minutes before serving, sprinkle reserved cheddar cheese over the top, cover and let melt.
  11. Turn off the crockpot and let the scalloped potatoes sit with the lid on for 10 minutes before serving.

Notes

Use uniform thin slices for even cooking. Resist opening the lid during cooking to maintain heat. If cheese sauce is too thick before layering, whisk in a splash more milk. For a dairy-free version, substitute milk and cheese with plant-based alternatives. Leftovers keep well refrigerated for up to 3 days and reheat gently with a splash of milk to maintain creaminess.

Nutrition

Keywords: scalloped potatoes, crockpot recipe, cheesy potatoes, slow cooker, comfort food, easy side dish, weeknight dinner