Slow-cooked green beans in garlic butter with Parmesan, creating a rich, flavorful, and easy side dish.
1 1/2 pounds fresh green beans, trimmed
4 cloves garlic, minced
3 tablespoons unsalted butter, melted
1 tablespoon olive oil
1/4 cup chicken broth
1/3 cup freshly grated Parmesan cheese
1/2 teaspoon salt
1/4 teaspoon black pepper
1/4 teaspoon red pepper flakes (optional)