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Crockpot Scalloped Potatoes

Creamy crockpot scalloped potatoes recipe with golden brown bubbly cheese topping.

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This recipe transforms simple Yukon Gold potatoes into a luxuriously creamy and cheesy side dish with minimal effort. The slow cooker does all the work, gently cooking the potatoes in a seasoned cream sauce until tender and golden. It is the ultimate set-and-forget comfort food perfect for holidays or any cozy meal.

Ingredients

Scale
  • 3 pounds Yukon Gold potatoes, peeled and thinly sliced (about 1/8-inch thick)
  • 1 medium yellow onion, thinly sliced
  • 3 tablespoons all-purpose flour
  • 1 teaspoon garlic powder
  • 1 teaspoon dried thyme
  • 1/2 teaspoon smoked paprika (optional)
  • 1 teaspoon salt, plus more to taste
  • 1/2 teaspoon freshly ground black pepper
  • 2 cups heavy cream or half-and-half
  • 1 cup whole milk
  • 2 cups shredded sharp cheddar cheese, divided
  • 1 cup shredded Gruyère or Parmesan cheese
  • 3 tablespoons unsalted butter, cut into small pieces

Instructions

  1. Prepare the potatoes and onion. Peel and thinly slice the potatoes to 1/8-inch thickness. Thinly slice the yellow onion.
  2. Create the creamy sauce. In a large bowl or measuring cup, whisk together the heavy cream, whole milk, flour, garlic powder, thyme, smoked paprika (if using), salt, and pepper until smooth and no lumps remain.
  3. Layer the crockpot. Lightly grease a 6-quart or larger slow cooker insert. Place a single, slightly overlapping layer of potato slices on the bottom. Scatter some sliced onion over the potatoes, then sprinkle with a portion of the shredded cheeses. Repeat the layers (potatoes, onion, cheese) until all ingredients are used, finishing with a layer of potatoes.
  4. Pour and dot. Slowly and evenly pour the cream mixture over the layered potatoes. Dot the top with the small pieces of butter.
  5. Cook. Cover and cook on HIGH for 4 hours or on LOW for 6-7 hours, until the potatoes are fork-tender and the top is bubbly. For a more browned top, transfer the ceramic insert to a preheated 400°F oven for the last 30 minutes or use a kitchen torch.
  6. Rest and serve. Let the dish rest, uncovered, for 15 minutes before serving to allow the sauce to thicken.

Notes

For even cooking, slice potatoes uniformly. Do not lift the lid during cooking. Letting the dish rest after cooking is crucial for proper sauce consistency. For a lighter version, use half-and-half or whole milk instead of heavy cream. Gluten-free flour can be substituted.

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