Heat oil in the pot on SAUTE mode, and add chicken cubes. Cook for a few minutes, the chicken does not need to cook through as we will pressure cook it later. 

Add the pasta over the chicken. Then add chicken broth and be sure to scrape off any bits from the bottom that might have gotten stuck. Then you can add your pasta sauce, pepper flakes, salt, garlic powder, thyme, and oregano. DO NOT STIR! Leave ingredients layered as is.

Close and lock lid, and be sure to set to sealing. Press MANUAL Button or PRESSURE COOK (this depends on what model of Instant Pot you’re using), and then set the timer at 5 minutes. Allow the Instant Pot to come to pressure.

Once it’s done, do a Quick Pressure Release. It’s important to do a QPR, otherwise, the pasta will be overcooked. Remove lid and dd parmesan cheese, give it a stir and you're ready to serve!

Serve with shredded mozzarella cheese on top.