– 4 boneless, skinless chicken breasts
– 1 pound fresh mushrooms, sliced
– 1 small onion, finely chopped
– 4 garlic cloves, minced
– 1 can (14.5 oz) diced tomatoes, undrained
– 1/2 cup chicken broth
– 1/4 cup balsamic vinegar
– 1 teaspoon dried oregano
– 1 teaspoon dried basil
– 1 teaspoon salt
– 1/2 teaspoon black pepper
– 1/2 teaspoon red pepper flakes (optional)
– 2 tablespoons fresh parsley, chopped
– 1/4 cup grated Parmesan cheese, for garnish