01 - Preheat oven to 425°F. Line a baking sheet with parchment paper and lightly oil or spray it.
02 - Slice zucchini into sticks about 3 inches long and 1/2 inch thick.
03 - In a shallow bowl, whisk together eggs and milk until combined.
04 - In another bowl, combine panko breadcrumbs, Parmesan, Italian herbs, garlic powder, salt, and black pepper.
05 - Dip zucchini sticks in egg wash, then coat thoroughly with breadcrumb mixture. Arrange on prepared baking sheet.
06 - Lightly spray or drizzle the coated zucchini sticks with olive oil to enhance crispness.
07 - Bake for 20 to 25 minutes, turning once halfway through, until fries are golden and crisp.
08 - Heat olive oil in a saucepan over medium heat. Add onion and sauté until soft, about 3 minutes.
09 - Stir in garlic and cook for 30 seconds. Add crushed tomatoes, oregano, sugar, salt, and pepper.
10 - Simmer uncovered for 10 to 12 minutes, stirring occasionally, until sauce thickens. Stir in basil if desired.
11 - Serve zucchini fries hot alongside warm marinara sauce for dipping.