Heat a large pot over medium-high heat.
Add the olive oil, carrots, celery, onion, and leek. Saute until starting to soften, about 6-8 minutes.
Add the garlic, salt, pepper, and turmeric. Saute for another minute.
Add the chicken broth, thyme, and bay leaves. Bring to a gentle boil.
Add the chicken and bouillon paste and stir until heated through.
Remove the sprigs of thyme and bay leaves.
Top with fresh parsley, if desired.