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Cheesy Scalloped Potatoes Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.1 from 10 reviews
  • Author: Lora
  • Prep Time: 20 minutes
  • Cook Time: 1 hour 25 minutes
  • Total Time: 1 hour 45 minutes
  • Yield: 8 servings
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

This Cheesy Scalloped Potatoes recipe features tender slices of russet potatoes and rings of yellow onion baked in a creamy, cheesy sauce. The dish is topped with melted mild cheddar cheese, creating a rich and comforting side perfect for family dinners or holiday meals. Slow baked to tender perfection and finished with a golden brown broiled topping, this classic casserole is easy to prepare and irresistibly delicious.

Ingredients

Potatoes and Onions

  • 4 russet potatoes, peeled and sliced into ¼-inch slices (about 2 pounds)
  • 1 yellow onion, sliced into rings

Cheese Sauce

  • 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 and prepare baking dish: Preheat your oven to 400°F (200°C). Lightly spray an 8x8-inch casserole dish with nonstick cooking spray to prevent sticking.
  2. Arrange potatoes and onions: Layer the peeled and sliced russet potatoes and the onion rings in the prepared baking dish, alternating between potatoes and onions for even distribution.
  3. Cook the cheese sauce: In a medium-sized saucepan, melt the unsalted butter over medium heat. Whisk in the all-purpose flour and kosher salt, stirring constantly for one minute to form a roux.
  4. Add milk and thicken sauce: Gradually stir in the whole milk, continuing to whisk until the mixture thickens smoothly into a creamy sauce.
  5. Add cheese to sauce: Stir in the shredded mild cheddar cheese all at once. Keep stirring until the cheese melts completely and the sauce is smooth, about 30 to 60 seconds.
  6. Pour sauce over potatoes: Evenly pour the cheese sauce over the layered potatoes and onions. Cover the dish tightly with aluminum foil to trap moisture during baking.
  7. Bake until tender: Place the casserole in the preheated oven and bake for 85 to 90 minutes, or until the potatoes are soft and tender when pierced with a fork.
  8. Broil for crispy topping: After baking, remove the foil and switch the oven setting to broil. Broil the scalloped potatoes just long enough to achieve a golden brown, crispy cheese topping.
  9. Final seasoning and serve: Season the dish with additional salt and pepper to taste, then serve hot and enjoy this comforting cheesy side dish.

Notes

  • For best results, slice potatoes uniformly to ensure even cooking.
  • Be careful not to burn the cheese when broiling; watch closely as it can brown quickly.
  • This dish can be prepared a day ahead and reheated covered in the oven at 350°F until warmed through.
  • Use mild cheddar for a creamy texture; sharper cheddar will produce a stronger flavor.
  • Substitute lactose-free milk and cheese for a low lactose option.

Find it online: https://meallora.com/cheesy-scalloped-potatoes-recipe/