Homemade Crockpot Chicken Noodle Soup

lbs. boneless, skinless chicken breasts, trimmed of excess fat

large yellow onion, diced

large carrots, peeled and sliced into circles

stalks celery, sliced

garlic, minced

dried thyme leaves

dried rosemary leaves

kosher salt

black pepper

bay leaf ((optional))

better than bouillon base, chicken flavor

reduced sodium chicken broth

egg noodles (wide or extra wide)

fresh parsley, minced (for garnish)