Steps
1. Preheat the oven to 425°F (220°C).
2. Slice the zucchini into thin rounds, about 1/8 inch thick.
3. In a bowl, mix Parmesan, garlic powder, oregano, salt, and pepper.
4. Toss zucchini slices with olive oil, then coat each slice evenly with the Parmesan mixture.
5. Arrange the slices on a baking sheet lined with parchment paper in a single layer.
6. Bake for 15-20 minutes or until golden and crispy.
7. Let cool slightly before serving to allow crisping.