Preheat the oven to 425°
Mix the olive oil, salt, black pepper, garlic powder, and parmesan cheese.
Toss the potatoes with the olive oil cheese mixture.
Spread the potatoes onto a cookie sheet.
Bake for 25 minutes flipping them at 15 minutes.
Melt the butter in the microwave.
Remove the potatoes from the oven and drizzle with melted butter.
Garnish with parsley and serve.