Minestrone is one of the classic Italian soups, and it's really easy to make in one of Ninja's new multicookers, the Ninja PossibleCooker Pro. This is a large recipe, it will feed a crowd!
Remove the lid from the pot. Turn the dial to SEAR/SAUTÉ, set the temperature to HI, and press START/STOP to begin preheating. Allow the unit to preheat for 5 minutes.
Add the oil, carrots, celery, onion, and garlic to the pot. Cook uncovered for 5 minutes, stirring occasionally.