Turn your Instant Pot on and select the 'Saute' function.
Add Olive oil, onions and garlic and saute until onions are slightly browned, about 4-5 minutes.
Press 'Cancel' to turn off the Instant Pot and reset the cooking function.
Add broth, fire roasted tomatoes, tomato paste, celery, Italian seasoning, garlic pepper, Kosher salt, red pepper flakes and basil to the Instant Pot.
Secure the lid, select 'Pressure Cook' or 'Manual' and cook on high for 8 minutes. The pot will take a few minutes to heat up before cooking begins.
When timer beeps, quick release pressure or ‘Venting’ to release steam fully.
Once the steam is fully released, remove the lip and stir in cream, tortellini, grated Parmesan cheese and kale. Continue to cook on warm or saute on medium or low until the kale is soft or slightly wilted and pasta is softened slightly, about 5 minutes.
Add any additional seasoning to taste.
Serve and enjoy!!
Top with Parmesan cheese, too!