01 -
Set oven temperature to 425°F (220°C).
02 -
In a large bowl, combine cauliflower florets with olive oil, garlic powder, salt, and black pepper. Toss to ensure even coating.
03 -
Arrange cauliflower evenly on a baking sheet and roast for 20 minutes, stirring halfway through to promote uniform cooking.
04 -
Remove baking sheet from oven, sprinkle grated Parmesan over cauliflower, then return to oven. Roast an additional 10 minutes until florets are golden brown and cheese is melted.