Pre-heat oven to 400F. Lightly grease a sheet pan with oil or line with parchment paper. Set aside.
Combine breadcrumbs and parmesan in a large shallow bowl. In another bowl whisk the egg and water. In a third bowl combine the flour paprika, garlic powder, salt and pepper.
Dip each zucchini slice in the flour mixture, then egg mixture, then panko mixture. Place in a single layer on baking sheet. Repeat until all zucchini slices are coated. Spray chips with cooking spray or lightly drizzle with oil.
Bake for 20 minutes, flipping half way or until golden and crispy. Serve with you favorite dipping sauce.