01 - Heat olive oil in a large pot over medium heat. Add onion, carrots, celery, and parsnip. Sauté for 5 minutes until vegetables begin to soften.
02 - Stir in minced garlic and cook for 1 minute until fragrant, being careful not to burn.
03 - Place chicken thighs into the pot. Pour in chicken broth and add bay leaf, thyme, oregano, turmeric, black pepper, and salt.
04 - Bring to a boil, then reduce heat to a gentle simmer. Cover and cook for 35–40 minutes until chicken is cooked through and tender.
05 - Transfer chicken thighs to a plate or cutting board and set aside to cool slightly until safe to handle.
06 - Add zucchini and spinach (or kale) to the simmering broth. Cook for 8–10 minutes until just tender.
07 - Shred the cooled chicken meat, discarding bones and skin. Return shredded chicken to the pot.
08 - Stir in fresh lemon juice and chopped parsley. Taste and adjust salt and pepper as needed.
09 - If using, stir in cooked rice, noodles, or quinoa. Heat through for 2–3 minutes until warmed.
10 - Ladle hot soup into bowls and garnish with additional fresh parsley if desired.