Scalloped Potatoes

Scalloped Potatoes

from insanelygoodrecipes.com
75 min

These scalloped potatoes are a decadent side dish that will impress your guests! Learn how to make them, plus, get tips for making the best potatoes.

Ingredients

  • 3 pounds potatoes (thinly sliced)
  • 1/2 onion (thinly sliced)
  • 9 tablespoons all-purpose flour (divided)
  • 6 tablespoons butter (diced and divided)
  • salt and ground black pepper to taste
  • 3 cups whole milk, or as needed

Directions

  1. 1

    Preheat oven to 375 degrees F (190 degrees C).

  2. 2

    Thoroughly grease a 9x13-inch baking dish with either butter or cooking spray.

  3. 3

    Thinly slice potatoes and onion and pat dry.

  4. 4

    Dice the butter and split it into three portions.

  5. 5

    Cover the bottom of the baking dish with a layer of potatoes and top with 1/3 of the onions.

  6. 6

    Sprinkle three tablespoons of flour evenly over the potatoes and onions.

  7. 7

    Distribute 1/3 of the diced butter over the flour evenly.

  8. 8

    Repeat these layers twice more.

  9. 9

    Gently heat the milk on the stove until warmed through.

  10. 10

    Carefully pour the milk into the dish, to cover the potatoes and onions. It should fill the dish to the top of the potatoes.

  11. 11

    Bake, covered in foil, for 45 minutes.

  12. 12

    Remove the foil and bake for a further 10 to 15 minutes, until the potatoes are fork-tender.