In a large, heavy bottomed pot set over medium high heat, melt the butter until foamy. Add the mirepoix (onions, carrots, celery), stirring frequently until the onions are soft and a light golden brown, roughly 6 minutes.
Add the minced garlic and cook until fragrant then add the dried thyme and the 2 bay leaves. Bloom the spices while constantly stirring for a minute.
Pour ¼ cup of broth into the pot and use a wooden turner to scrape the browned fond off the bottom of the pot. This will create additional flavor.
Pour in the rest of the broth and stir with a wooden spoon. Cover and bring to a boil, roughly 5 minutes, then reduce to a simmer. Taste the broth, then stir in the salt, black pepper, onion powder, and turmeric.
Submerge the two chicken breasts, making sure they are covered with the broth, then cover the pot and simmer for 20 minutes.
Remove the chicken and place on a plate. Using a meat thermometer, ensure that the internal temperature is at a minimum of 165°F. Allow the chicken to cool enough to handle, roughly 10 minutes. Cook the egg noodles in a separate pot in salted water according to the package directions. Drain the noodles then toss with 1 teaspoon olive oil to prevent sticking. Set aside.
Cut the cooked chicken into bite-sized pieces, then stir the meat back into the pot. Taste and adjust any spices, if desired, then remove the 2 bay leaves. Stir in the fresh parsley.
Add ½ cup of noodles to the bottom of each bowl and ladle the hot chicken soup on top. Serve with fresh bread, a salad, and fruit to round out the meal.