01 -
Preheat your oven to 425°F and lightly coat a baking tray with oil spray.
02 -
Combine the green beans with olive oil, and sprinkle over garlic powder, parmesan, salt, and black pepper.
03 -
Spread the beans evenly on the tray, then roast for 15 minutes.
04 -
Flip the beans and pop them back in the oven for 10 more minutes until soft.