2 large apples (choose your favorite variety, such as Honeycrisp or Fuji)

1 tablespoon ground cinnamon

1 tablespoon granulated sugar (optional, adjust to taste)

Juice of half a lemon (to prevent browning)

A pinch of salt

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Preheat your oven to 225°F (107°C). This low temperature will help dehydrate the apples without burning them.
Wash the apples thoroughly. Using a sharp knife or a mandoline slicer, slice the apples thinly (about 1/8 inch thick). Remove the core and seeds as needed.
In a bowl, toss the apple slices with the lemon juice to prevent browning and add a fresh flavor.
In a separate small bowl, combine the ground cinnamon, granulated sugar (if using), and a pinch of salt. Mix well to ensure even distribution.
Place the lemon-coated apple slices onto a parchment-lined baking sheet in a single layer. Sprinkle the cinnamon sugar mixture evenly over the apple slices.
Place the baking sheet in the preheated oven. Bake for about 1.5 to 2 hours, flipping the apple slices halfway through. Keep an eye on them as baking times may vary depending on your oven and the thickness of the slices.
Once the apple chips are golden brown and crispy, remove them from the oven and let them cool on the baking sheet. They will continue to crisp up as they cool.
Once completely cooled, store the baked cinnamon apple chips in an airtight container to maintain their crunchiness.

Experiment with different spices like nutmeg, ginger, or cloves for a unique twist.

Swap granulated sugar with honey, maple syrup, or stevia for a different sweetener.

For a spicy kick, add a pinch of cayenne pepper or chili powder to the cinnamon mixture.

Store at room temperature in an airtight container for up to 5 days, or refrigerate for up to a week.

If you want to reheat the apple chips, do so in the oven at 200°F (93°C) for 10 minutes to crisp them up again.