Great Northern Beans and Ham

Bahan-bahan (8 porsi)

• 1 pound dried great northern beans (dr)
• 1 smoked ham hock (or 1 lb smoked ham)
• 1 tablespoon olive oil
• 1 onion (diced)
• 2 carrots (chopped)
• 1 rib celery (chopped)
• 1 bay leaf
• 1 tablespoon brown sugar
• 4 cups chicken broth
• 4 cups water
• 1 tablespoon chopped fresh parsley (optional)