Preheat oven to 425°. Spray a baking sheet with cooking spray. Set aside.
In a small bowl, beat egg with a fork until frothy. In another bowl, place flour, and in a third bowl, place your bread crumbs. Toss the breadcrumbs with garlic powder and Parmesan cheese, and set aside.
Dip the zucchini sticks into the flour, then egg, and then into the bread crumb mixture. Make sure all sides get coated well. Place the sticks on the prepared baking sheet.
Bake at 425° for about 20 minutes, or until golden brown and crispy. Serve warm with Ranch dressing, marinara sauce, or just as is.
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