Shandong Pork and Fish Dumplings

Ingredients

• 170g mackerel fish (flesh only)
• 250g pork mince
• ¼ tsp Sichuan peppercorn powder
• 1/8 tsp white pepper
• 1 tsp sesame oil
• ¼ tsp sugar
• 2 tbsp Shaoxing wine
• 1 tbsp light soy sauce
• 1 tbsp grated ginger
• 80ml water
• 40g Asian chives, chopped
• 1-2 stalks spring onion, chopped
• ¾ tsp salt
• 1 packet dumpling wrappers (about 30 wrappers)
• 2 tbsp Chingkiang black vinegar
• 2 tsp chilli oil
• ½ tsp sesame seeds