01 -
Set oven temperature to 400°F (205°C).
02 -
In a large mixing bowl, toss trimmed green beans with olive oil, Parmesan cheese, panko bread crumbs, salt, and garlic powder until evenly coated.
03 -
Spread the coated green beans in an even layer on a large rimmed baking sheet.
04 -
Roast in preheated oven for 15–20 minutes, stirring halfway through, until green beans are tender and breadcrumbs are crisp.
05 -
Transfer roasted green beans to a serving platter and garnish with additional Parmesan cheese if desired.