Set the Instant Pot to the sauté setting. Once it is hot, add the olive oil, onion, garlic, mushrooms, oregano, and a pinch of salt and pepper. Cook until the vegetables are softened, about 5 minutes.
Add the chicken broth and orzo. Stir to combine. Place the lid on the Instant Pot and set to high pressure for 5 minutes. Once the timer goes off, quick-release the pressure.
Add the spinach and parmesan cheese. Stir to combine and let the spinach wilt. Serve immediately.
Interesting Facts
Orzo pasta is a type of short-cut pasta that resembles rice.
Mushrooms are an excellent source of selenium, which can help boost your immune system.
Spinach is high in vitamin A and vitamin K, which can help keep your bones strong.