Red Braised Lion’s Head Meatballs (Hong Shao Shi Zi Tou)

Ingredients

• 2-3 tsp potato flour
• 2-3 tsp water
• 700g pork mince
• 550g wombok (root end trimmed and leaves separated)
• 2-3 tbsp cornstarch (for dusting the pork balls)
• 8 large water chestnuts (minced)
• 3 spring onions (sliced thinly)
• 3 tsp ginger (minced)
• 2 tsp sesame oil
• 3-4 tbsp oil
• 1 tbsp rice wine
• ½ tsp salt
• 4 tbsp water
• 2 tbsp dark soy sauce
• 2 tbsp light soy sauce
• 2 tsp brown sugar
• 1 ¼ cup chicken stock