Set Instant pot to sauté function. Add olive oil, garlic and onion. Cook until garlic is fragrant, and onion is translucent; about 2 minutes.
Next add the ground beef and cook until no longer pink, stirring regularly. Drain grease and return to pot.
Add in tomato sauce or soup and broth. Then add the celery, carrots, and peppers.
Add beans and pasta to mixture.
Add seasonings and mix everything together.
Press the Cancel button to turn off the Sauté mode. Put the lid on and lock. Set the steam release knob to the Sealing position. Make sure venting is off. Set Instant Pot to high pressure and set cook time for 15 minutes.
When timer goes off, allow to vent naturally for 15 minutes. Then do quick release of any remaining pressure.
Notes
Garnish with Parmesan cheese or your favorite toppings.