Pork Buns (Nikuman)

Dough

• 180 g water
• 60 g milk
• 20 g oil plus extra for greasing
• 1 Tbsp sugar
• 1 tsp dried instant yeast
• 360 g plain flour

Filling and Assembly

• 2 fresh shiitake mushrooms
• 2 spring onions cut in pieces
• 80 g white cabbage leaf cut in pieces
• 20 g fresh root ginger cut in round slices (2 mm)
• 2 garlic cloves
• 140 g pork mince
• 40 g Japanese soy sauce
• ½ tsp sugar
• 15 g oyster sauce
• 10 g sesame oil
• 400 g water