Add all ingredients except cheese to pressure cooker pot. Stir to combine.
Cover and set the valve to sealing. Cook on manual pressure cook setting for 1 minute.
Allow steam to release naturally. When the pressure drops, remove the lid and fluff the quinoa.
Sprinkle with cheese and re-cover until melted.
Serve with toppings such as diced tomatoes, sour cream, salsa, lime juice, avocado, black olives, and/or chopped fresh cilantro.