Ingredients

  • 3 pounds potatoes, thinly sliced
  • salt and pepper to taste
  • 9 tablespoons all-purpose flour, divided
  • 6 tablespoons butter, diced
  • 1 quart whole milk, or as needed
  • Directions

  • Step 1

    Preheat oven to 425 degrees F (220 degrees C). Grease a 9×13-inch baking dish.

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  • Step 2

    Arrange one layer of potatoes in the bottom of the prepared baking dish. Sprinkle the potatoes with salt and pepper, 3 tablespoons flour, and 2 tablespoons butter. Repeat layering 2 more times, until all of potatoes have been used. Slowly pour milk over the potatoes until the dish is 3/4 full of milk.

  • Step 3

    Bake until the milk comes to a boil (check after 15 minutes), then reduce heat to 375 degrees F (190 degrees C) and bake until potatoes are tender, 45 to 60 minutes more.

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