- Preheat oven to 350 degrees.
- Toss raw green beans in olive oil.
- Spread out on a cookie sheet.
- Season with sea salt, pepper, and garlic powder.
- Bake for 10 minutes.
- Remove and shake pan.
- Bake for an additional 10 minutes, or until tender crisp.
- Sprinkle with parmesan cheese, and bake for an additional 5 minutes.