In an instant pot insert stir together broth, tomatoes, Italian seasoning, garlic, 1/4 tsp salt and 1/4 tsp pepper (season with more at the end if needed).
Stir in chicken and pasta (and try to submerge down into broth).
Secure the lid in place, be sure pressure valve is set to "sealing" position. Select the "manual" setting or high pressure and set to 5 minutes.
After the time is up select "cancel" then use the quick release method to release pressure - which is to carefully turn the valve to "venting" position and step back as steam will release.
Once it stops sputtering open lid and immediately stir noodles to separate then stir in spinach, light cream cheese and parmesan.
Toss well. Let rest for about 5 - 10 minutes to thicken (it will seem like soup at first but as it rests and cools it will thicken right up).
Toss in basil just before serving and serve warm (you can also garnish with a few diced sun dried tomatoes if desired).
Recipe source: adapted from Betty Crocker with some changes
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