Preheat the oven to 400°F (200°C).
Wash and peel the potatoes, then slice them into 1/2-inch rounds.
In a bowl, mix breadcrumbs, Parmesan cheese, garlic powder, onion powder, salt, and pepper.
Drizzle olive oil over the potato slices and toss to coat.
Dip each potato slice into the breadcrumb mixture, pressing to adhere.
Arrange the coated slices on a baking sheet lined with parchment paper.
Bake for 30 minutes or until golden brown and crispy.
Flip the potato slices halfway through baking for even crispness.
Remove from the oven and let cool slightly.
Garnish with fresh parsley before serving.