Chicken Tortellini Soup For One

Ingredients

• boneless skinless chicken breast
• teaspoon kosher salt
• teaspoon coarsely ground black pepper
• tablespoon olive oil
• chopped onions
• medium celery stalk
• medium carrot
• garlic
• tablespoon all-purpose flour
• low sodium chicken broth
• teaspoon Italian seasoning
• ounces refrigerated cheese tortellini
• fresh spinach
• Optional: shredded Parmesan cheese, for topping