Heat 2 tablespoons olive oil in large pot over medium heat.
Add onion and sauté for a couple minutes, stirring frequently. Add garlic, carrots, and celery to the pot and stir frequently for about 8 more minutes, until veggies have softened.
Pour in chicken broth, water, bay leaf, basil, parsley, thyme, and some fresh ground black pepper.
Bring pot to a boil, reduce heat to simmer and cook for 20 minutes, stirring occasionally.
Increase heat to medium high in order to bring pot to a boil. Add egg noodles and salt and cook as directed on package instructions.
Reduce heat to medium low, add cooked, shredded chicken and stir well.
If needed, add additional salt.
Serve or add soup to slow cooker and set to warm until ready to serve to help bring out the flavor even more!