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Scalloped Potatoes Recipe

4.5 from 148 reviews

Classic scalloped potatoes baked in a creamy, savory sauce made with butter, onions, garlic, milk, and chicken broth. This comforting side dish features tender layers of sliced white potatoes seasoned with salt and pepper, baked to a golden, bubbly finish.

Ingredients

Scale

Sauce Ingredients

  • 1/2 cup butter
  • 1 large onion, diced
  • 2 cloves garlic, minced
  • 1/2 cup flour
  • 2 cups milk
  • 1 cup chicken broth
  • 1/2 teaspoon salt
  • 1/2 teaspoon pepper

Potatoes

  • 3 pounds white potatoes, sliced about 1/4 inch thick
  • Salt and pepper to taste

Instructions

  1. Preheat Oven: Preheat your oven to 350°F (175°C) to get it ready for baking the scalloped potatoes.
  2. Make the Sauce: In a medium saucepan, melt the butter over medium-low heat, then add the diced onion and minced garlic. Cook until the onion softens, about 3 minutes. Stir in the flour and cook for 1-2 minutes to form a roux.
  3. Add Liquids: Reduce heat to low. Gradually whisk in the milk and chicken broth a little at a time, allowing the sauce to thicken between additions. Continue whisking until the mixture is smooth and creamy.
  4. Boil Sauce: Increase heat to medium and bring the sauce to a boil while whisking. Stir in salt and pepper, and let it boil for 1 minute to fully develop the flavors and thicken the sauce.
  5. Prepare Baking Dish and Layer Potatoes: Grease a 9×13 inch baking dish. Arrange half of the sliced potatoes in an even layer at the bottom of the dish, seasoning with salt and pepper.
  6. Add Sauce Layer: Pour half of the prepared cream sauce evenly over the potatoes.
  7. Repeat Layers: Add the remaining sliced potatoes on top of the first layer, season with salt and pepper, then pour the rest of the cream sauce over the top.
  8. Bake Covered: Cover the baking dish with foil and bake in the preheated oven for 45 minutes to allow the potatoes to cook through.
  9. Uncover and Continue Baking: Remove the foil and bake uncovered for an additional 35 to 45 minutes, or until the potatoes are tender and the top is golden brown.
  10. Broil for Golden Top: To achieve a beautifully golden and slightly crispy top, broil the scalloped potatoes for 3 to 4 minutes. Watch carefully to avoid burning.
  11. Rest Before Serving: Let the dish rest for 15 minutes after baking to allow the sauce to set and cool slightly before serving.
  12. Enjoy: Serve warm as a hearty, delicious side dish perfect for comforting meals.

Notes

  • Use a sharp knife or a mandoline slicer to ensure uniform potato slices for even cooking.
  • For a vegetarian version, substitute the chicken broth with vegetable broth.
  • To make it gluten-free, use a gluten-free flour blend instead of all-purpose flour.
  • Broiling time may vary depending on the oven, so watch closely to avoid burning the top.
  • If you prefer a thicker sauce, use slightly less broth or cook the sauce longer before combining with potatoes.

Keywords: scalloped potatoes, creamy potatoes, baked potatoes, potato casserole, comfort food, side dish