Creating Roasted Green Beans with Garlic Parmesan is an effortless process if you follow these concise steps:

1. Preheat the Oven: Begin by preheating your oven to 425°F (220°C).
2. Prepare the Green Beans: Rinse and trim the ends of the fresh green beans, removing any blemished parts.
3. Mix Ingredients: In a large bowl, combine the green beans, olive oil, minced garlic, salt, and black pepper. Toss well to ensure the green beans are evenly coated.
4. Spread on Baking Sheet: Transfer the green beans to a baking sheet in a single layer to promote even roasting.
5. Roast: Place the baking sheet in the preheated oven and roast for 15-20 minutes, or until the beans are tender and slightly charred.
6. Add Parmesan: Remove the green beans from the oven, then sprinkle the grated Parmesan cheese over the top while they are still hot.
7. Finish and Garnish: If desired, add lemon zest for a burst of brightness and flavor. Toss gently to combine.
8. Serve Immediately: Transfer the green beans to a serving platter and enjoy!

By following these straightforward steps, you’ll have delicious Roasted Green Beans with Garlic Parmesan ready to serve in no time.