Drizzle olive oil in dutch oven over medium heat.
Add chopped onions, carrots and celery.
Sprinkle with salt to help make them sweat.
Sauté 4-6 minutes until starting to brown.
Add minced garlic and cook 1 minute while stirring. Do not let garlic burn.
Sprinkle flour and poultry seasoning over mixture and cook for 1 minute or until brown 'fond' begins to accumulate on bottom of pot.
Add chicken broth and use wooden or silicone spoon to gently scrape off fond to enrich soup flavor.
Add fresh herbs and bring to a bubble.
Simmer partially covered for 20-25 minutes or until vegetables are fork tender.
Remove herb stems.
*Optional step* Use immersion blender to purée soup to desired texture. Skip this step if you prefer chunks of vegetables in your soup.
Add shredded chicken and noodles. Cook for 10 minutes or for specific length of time your pasta requires.
Mix in evaporated milk and salt and pepper to taste.