Steamed cabbage and pork dumplings

Dumpling wrappers

• 1 tbsp oil, plus extra for greasing
• 150 g water, plus extra as needed
• 300 g flour, plus extra for dusting
• ¼ tsp salt

Filling and dumplings

• 400 g white cabbage leaves, cut in pieces
• 1 ½ tsp salt
• 350 g pork mince
• 530 g water
• 20 g soy sauce
• 10 g rice wine
  hoặc 10 g sake
• ½ tsp sugar
• ½ tsp ground pepper
• 1 tbsp light sesame oil (15 g)