Heat oil in a medium to large pot, over medium heat.
Add onion, carrot, and celery, sauté for 5-7 minutes.
Add leek, and cook for an additional 2-3 minutes.
Stir in garlic and cook for another minute.
Add Zoup Chicken Bone Broth.
Bring to a boil, cover soup (lid slightly open), lower heat and simmer for 15-20 minutes.
Add orzo and simmer for another 10-12 minutes with lid off, stirring often as the orzo does not stick to the bottom of the pot.
Add chicken, lemon juice (some may like a little more lemon) and dill.
Season with salt and pepper.