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Cheesy Scalloped Potatoes

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Indulge in the creamy goodness of Cheesy Scalloped Potatoes, a classic American side dish that promises to elevate your meal. Layers of tender russet potatoes and sweet onion are enveloped in a rich, velvety cheese sauce, creating a comforting dish perfect for gatherings or family dinners. Whether you enjoy them as a holiday staple or a simple weeknight treat, these scalloped potatoes are sure to please every palate.

Ingredients

Scale
  • 4 russet potatoes (peeled and sliced into ¼-inch slices)
  • 1 yellow onion (sliced into rings)
  • 3 tablespoons unsalted butter
  • 3 tablespoons all-purpose flour
  • ½ teaspoon kosher salt
  • 2 cups whole milk (room temperature)
  • 1 ½ cups mild cheddar cheese (shredded)
  • Salt and pepper to taste

Instructions

  1. Preheat oven to 400°F. Lightly spray an 8×8-inch casserole dish with nonstick cooking spray.
  2. Layer the sliced potatoes and onions alternately in the prepared dish.
  3. In a medium saucepan, melt butter over medium heat. Whisk in flour and salt for one minute, then gradually stir in milk until thickened.
  4. Add shredded cheese to the mixture, stirring until melted and smooth, about 30-60 seconds.
  5. Pour the cheese sauce over the layered potatoes and cover with aluminum foil.
  6. Bake for 85-90 minutes or until potatoes are tender.
  7. For a crispy topping, switch the oven to broil for a few minutes until golden brown.
  8. Season with salt and pepper before serving.

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