Easy Chicken Soup without greens

1 tablespoon extra virgin olive oil 2 large carrots , diced 2 stalks celery , diced 1 large onion , diced 1 elephant garlic clove, quartered and thinly sliced[...]

3 boneless skinless chicken breasts 3 cups water 2 cups chicken broth 1 large yellow onion , chopped 4 celery ribs , chopped 8 small red potatoes 16 ounces[...]