Add olive oil to pot and set to saute. Saute meat until they're no longer pink on the outside. Then add onion, carrots and potatoes. Stir. Turn pot off.
Pour in can of whole or diced tomatoes, garlic, seasonings and stir. Then add broth.
Close lid and steam valve and set to high pressure for 35 minutes. Allow for a natural release for 10 minutes.
Stir when done and allow to cool slightly before serving topped with parmesan cheese.