Barley, Lentil & Vegetable Soup

Place first three ingredients in a medium soup pot, cover and bring to a boil. Reduce the flame to medium-low and simmer 30 to 35 minutes. Add onion, celery and carrot. Cover and simmer 5 minutes. Add sea salt, cover and simmer another 10 minutes. Add the leeks, cover and simmer another 3 to 4 minutes. Serve garnished with parsley.