Braised Lion's Head In A Sandy Pot

• 2 green onions
• 1 dark soy
• 950 ml stock
• 700 ml chinese mustard cabbage
• 260 gr pork butt
• 90 ml peanut oil
• 60 ml water chestnuts
• 60 gr rice (cooked)
• 30 ml water
• 2 gr ginger root