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Cheesy Garlic Scalloped Potatoes

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Cheesy Garlic Scalloped Potatoes are a creamy, indulgent side dish that’s perfect for holidays, family dinners, or special occasions. Thinly sliced potatoes are layered with a rich garlic cheese sauce and baked to golden perfection.

Ingredients

Scale
  • 2 lbs (900 g) Yukon Gold or Russet potatoes, peeled and thinly sliced
  • 2 tablespoons unsalted butter
  • 2 cloves garlic, minced
  • 2 tablespoons all-purpose flour
  • 2 cups (480 ml) whole milk (or half-and-half for extra creaminess)
  • 1 cup (120 g) shredded sharp cheddar cheese
  • 1/2 cup (50 g) grated Parmesan cheese
  • 1 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1/4 teaspoon paprika (optional)
  • 1 tablespoon chopped fresh parsley (for garnish, optional)

Instructions

Step 1: Prepare the potatoes

  1. Preheat your oven to 375°F (190°C). Grease a 9×13-inch (23×33 cm) baking dish with butter or nonstick spray.
  2. Peel and thinly slice the potatoes to about 1/8-inch thickness. Use a mandoline for even slices if available.

Step 2: Make the garlic cheese sauce

  1. In a medium saucepan, melt the butter over medium heat. Add the minced garlic and sauté for 1 minute until fragrant.
  2. Sprinkle in the flour and whisk continuously for 1-2 minutes to create a roux.
  3. Gradually pour in the milk, whisking to avoid lumps. Bring the mixture to a simmer and cook until slightly thickened, about 2-3 minutes.
  4. Remove from heat and stir in the cheddar cheese, Parmesan, salt, pepper, and paprika (if using). Mix until the cheese is melted and the sauce is smooth.

Step 3: Layer the potatoes and sauce

  1. Arrange half of the sliced potatoes in an even layer in the prepared baking dish. Pour half of the cheese sauce over the potatoes, spreading it evenly.
  2. Repeat with the remaining potatoes and cheese sauce, ensuring all slices are well-coated.

Step 4: Bake the potatoes

  1. Cover the dish with aluminum foil and bake for 40 minutes.
  2. Remove the foil and bake for an additional 20-25 minutes, or until the potatoes are tender and the top is golden and bubbly.

Step 5: Garnish and serve

  1. Let the scalloped potatoes rest for 5 minutes before serving. Garnish with chopped parsley, if desired.


Notes

  • Make-ahead: Assemble the dish up to 24 hours in advance and refrigerate. Bake as directed, adding 10 extra minutes if baking straight from the fridge.
  • Variations: Add cooked bacon, caramelized onions, or a sprinkle of Gruyère cheese for extra flavor.
  • Storage: Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave.