Pour water or broth into the bottom of your Instant Pot. Place steamer basket into the Instant Pot. Fill steamer basket with prepared peppers, zucchinis, and garlic.
Cover the Instant Pot and secure the lid. Make sure valve is set to “sealing.” Set the manual/pressure cook button to 5 minutes. When the timer beeps indicating the time is up let the pot sit for 5 additional minutes. Then move the valve to venting.
Open the pot move vegetables to a serving bowl and sprinkle with olive oil, italian flavoring and parmesan cheese.