01 -
Preheat the oven to 220°C. Lightly coat a baking sheet with cooking oil spray.
02 -
Spread green beans in a single layer on the prepared baking sheet.
03 -
Drizzle with oil and scatter salt, black pepper, chopped garlic, and parmesan over the beans. Toss thoroughly to ensure an even coating.
04 -
Roast in the preheated oven for 20 to 25 minutes, tossing halfway through, until the beans are tender when pierced with a fork.
05 -
Remove the tray from the oven. Adjust seasoning with extra salt and pepper if desired. Garnish with chopped parsley and serve immediately.