01 -
Preheat oven to 200°C (400°F).
02 -
If using uncooked chicken, bake chicken breasts or thighs in the oven for 25 minutes until cooked through. Transfer to a cutting board and shred into bite-sized pieces using two forks.
03 -
Place diced red onion in a 23 x 33 cm (9 x 13-inch) baking dish, drizzle with olive oil, and stir until well coated. Bake for 5 minutes while preparing remaining ingredients.
04 -
Remove baking dish from oven. Add orzo, minced garlic, sundried tomatoes, spinach, kalamata olives (if using), dried oregano, remaining olive oil, and salt. Stir to combine thoroughly.
05 -
Add shredded chicken, crumbled feta, lemon juice, and lemon zest to the baking dish. Stir to integrate with other ingredients.
06 -
Pour chicken broth into the dish and stir until all ingredients are well incorporated and mostly submerged in liquid.
07 -
Cover baking dish with aluminum foil and bake for 15 minutes.
08 -
Remove foil, stir contents thoroughly, and return to oven uncovered for an additional 15-20 minutes until orzo is tender and most liquid has been absorbed.
09 -
Remove from oven and allow to rest for 5 minutes. Serve garnished with additional crumbled feta and fresh parsley.