How to Make It
Combine chicken, squash, stock, onion, garlic, bay leaf, salt, oregano, ground fennel seeds, and pepper in Instant Pot. Cover with lid, and turn to manual. Turn lid valve to seal, and set to high pressure for 8 minutes.
Release valve with a towel (be careful of the pressurized steam), and release steam until it stops. Carefully uncover, and transfer chicken to a cutting board. Stir quinoa into stew. Turn to sauté, and cook, stirring occasionally, until quinoa is tender, about 15 minutes. Shred chicken, and stir into stew. Discard bay leaf. Divide soup evenly among 6 bowls. Sprinkle evenly with olives.