1 Red Delicious apple, cut into paper-thin slices
1 teaspoon sugar
Preheat oven to 200°.
Cover a baking sheet with parchment paper. Arrange apple slices in a single layer on parchment paper; sprinkle with sugar. Bake at 200° for 1 1/2 hours or until lightly browned. Remove from parchment paper; cool on a wire rack.