Preheat oven to 450F. Lightly oil a baking sheet with 1 teaspoon oil.Advertisement
Toss potato slices with the remaining 3 teaspoons oil and season with salt and pepper. Arrange the potato slices in an overlapping 10-inch circle on the prepared baking sheet, forming a layered potato cake. Bake until tender and golden brown, 25 to 30 minutes.
1 starch, 1 fat