Heat olive oil in your big pot on medium heat until it's nice and hot.
Add onion, carrots, and celery to the pot and cook for 5 to 7 minutes until soft.
Stir in garlic and cook for 1 minute until it smells really good and yummy.
Pour chicken broth into the pot and add bay leaves, thyme, oregano, salt, and pepper for flavor.
Bring everything to a boil on medium-high heat, then turn down to simmer for 5 minutes.
Pull all the meat off your rotisserie chicken and shred it into small pieces with two forks.
Add egg noodles to the bubbling soup and cook for 8 to 10 minutes until soft.
Stir in shredded chicken and cook for 3 to 5 minutes until heated all the way through.
Take out the bay leaves, taste your soup, and add more salt or pepper if you want.
Scoop hot soup into bowls and sprinkle fresh parsley on top before serving to everyone right away.