Classic Pork Gyoza

Ingredients

• ¼ cabbage (trimmed and finely chopped)
• ½ tsp salt
• 1½ cups chives (cut off bottom 5cm and finely chopped)
• 1 tbsp finely chopped garlic (about 2 cloves)
• 1 tbsp finely chopped ginger (peeled)
• 300g ground pork
• 2 tsp soy sauce
• 2 tbsp toasted sesame oil
• ½ tsp ground black pepper
• 2 tsp sugar
• 2 tbsp potato starch (katakuriko, plus extra for dusting)
• Gyoza skins
• 1 tbsp potato starch (mixed with 3 tbsp warm water, to stick gyoza skins)
• ⅔ cup water
• 2 tbsp soy sauce
• 1 tbsp Japanese rice vinegar
• ½ tbsp rayu (La-Yu Chilli Oil)