Preheat oven to 425 degrees. Line a baking sheet with foil and spray with cooking spray.
In a large bowl add broccoli, olive oil, garlic, bread crumbs and Parmesan cheese and mix until combined.
Pour broccoli onto baking sheet and sprinkle any leftover crumb mixture over the top.
Bake on the top rack for 18-20 minutes.
Remove from oven and let set 1-2 minutes.