1. Preheat oven to 400°.
2. Combine first 8 ingredients, tossing to combine. Combine butter, syrup, and egg white, stirring well. Drizzle butter mixture over oat mixture; toss well to coat. Spread mixture in a single layer on a baking sheet lined with parchment paper coated with cooking spray. Bake at 400° for 27 minutes or until golden, stirring twice.