Heat oil in a stock pot over medium heat and add onions, stirring with a wooden spoon until soft.
Add the chicken broth and bring to a boil
Add the vegetables bring back to a slow boil and cook until the vegetables are fork-tender (about 15 minutes)
Add the noodles and cook for 7-10 minutes.
Add the chicken and cook until heated through about 5 minutes
Notes
Chicken Noodle Soup is very forgiving. You can add more or less of any of the ingredients according to your taste. Honestly, I don't really use a recipe I use what I have in my refrigerator and pantry.