Garlic parmeson green been recipe

#### Ingredients: - 500g fresh green beans, trimmed - 2 tablespoons olive oil - 3 cloves garlic, minced - 1/4 teaspoon salt - 1/4 teaspoon black pepper - 1/4 cup grated Parmesan cheese - 1/4 teaspoon red pepper flakes (optional) - Lemon wedges for serving (optional)