Steamed cabbage and pork dumplings

Dumpling wrappers

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

Filling and dumplings

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