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.