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Creamy Cheesy Scalloped Potatoes Recipe

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4.1 from 46 reviews

This Creamy Cheesy Scalloped Potatoes recipe features tender layers of thinly sliced russet potatoes and onions baked in a rich, velvety cheddar cheese sauce. Perfect as a comforting side dish for any meal, it combines a luscious, thickened milk-based sauce with gooey melted cheddar, baked until golden and bubbly with a crisp broiled topping.

  • Total Time: 1 hour 45 minutes
  • Yield: 8 servings

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 Dish: Preheat your oven to 400°F (204°C). Lightly spray an 8×8-inch casserole dish with nonstick cooking spray to prevent sticking.
  2. Arrange Potatoes and Onions: Layer the peeled and sliced potatoes and sliced onion rings in the prepared baking dish, alternating between potato slices and onion rings for even distribution and flavor.
  3. Cook Cheese Sauce: In a medium saucepan, melt the unsalted butter over medium heat. Stir in the all-purpose flour and kosher salt, whisking constantly for about one minute to form a roux, which will thicken the sauce.
  4. Add Milk and Thicken: Slowly whisk in the room temperature whole milk, continuing to stir until the mixture thickens to a creamy, smooth consistency.
  5. Add Cheese: Stir in all the shredded mild cheddar cheese at once, continuing to stir until the cheese melts completely and the sauce is smooth, about 30 to 60 seconds.
  6. Pour Sauce over Potatoes: Pour the creamy cheese sauce evenly over the layered potatoes and onions. Cover the dish tightly with aluminum foil to lock in moisture during baking.
  7. Bake: Place the casserole dish in the preheated oven and bake for 85 to 90 minutes or until the potatoes are tender when pierced with a fork.
  8. Broil for Crisp Topping: After baking, change the oven setting to broil. Broil the casserole until the top turns golden brown and crispy, watching carefully to avoid burning.
  9. Season and Serve: Remove from the oven, season with additional salt and pepper to taste, and serve hot as a comforting and delicious side dish.

Notes

  • Make sure the milk is at room temperature before adding to prevent lumps in the sauce.
  • Slicing potatoes evenly at ¼-inch thickness helps ensure even cooking.
  • Covering the dish during baking prevents the top from drying out.
  • Broiling at the end gives a desirable crispy golden cheese topping.
  • Use a mild cheddar for a creamy flavor; sharp cheddar can be substituted for more tang.
  • Author: ELLA
  • Prep Time: 15 minutes
  • Cook Time: 1 hour 30 minutes
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American

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