Start by chopping an onion, three ribs of celery, and two smaller carrots
Step two:
Heat a tablespoon of olive oil in InstantPot and sauté the vegetables until they are soft and translucent—avoid browning them
Step three:
Add 8 cups of chicken broth to the sautéed vegetables, season with salt and pepper, and simmer for 15-20 minutes
Step four:
Stir in about 1 cup of chopped cooked chicken
Step 5:
Finally, bring the soup to a boil and add the noodles. Follow cooking instructions of noodle packaging. If using homemade noodles, they typically require about 5 minutes of cooking time