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 - Add 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 mixture 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 pieces from pot to a cutting board or plate. Set aside to cool slightly for safe handling.
06 - Add zucchini and spinach to the simmering broth. Cook for 8-10 minutes until vegetables are just tender.
07 - Once cooled enough to handle, shred chicken meat from bones, discarding skin and bones. Return shredded meat to the pot.
08 - Stir in lemon juice and chopped parsley. Taste and adjust seasoning with additional salt if needed.
09 - If using cooked rice, noodles, or quinoa, add to soup and heat through for 2-3 minutes before serving.
10 - Ladle soup into bowls and serve immediately, garnished with additional fresh parsley if desired.