Avgolemono Greek Chicken Zoodle Soup

olive oil

total of 2 cups chopped carrots and celery (about 1/2 inch pieces (I used about 1 1/2 cup carrots and 1/2 cups celery))

of a medium onion (chopped)

Salt and pepper

garlic clove (minced)

low-sodium chicken broth

bay leaf

about 4 cups cooked boneless chicken breasts (shredded (store-bought rotisserie chicken or leftover cooked chicken breast will work))

freshly-squeezed lemon juice

large eggs

zucchini (spiaralized)

Fresh parsley for garnish (optional)