Tangzhong

• 40g (4 tbsp) bread flour
• 255mL / 255g (1 cup + 1 tbsp) milk

Dough

• 56g (4 tbsp) unsalted butter
• 1 egg
• 50g (4 tbsp) sugar
• 14g (2 tbsp) milk powder (optional)
• 6g (1 tsp) fine sea salt / table salt
• 350g (2-1/2 cups) bread flour
• 8g (1 packet / 2 tsp) instant yeast

Meat

• 1 lb (454g) pork shoulder (butt) OR skinless boneless chicken thighs
• 1/4 tsp baking soda
• 1 tbsp (15g) water
• 1/2 tsp (3g) fine sea salt / table salt
• 1 tbsp (10g) cornstarch
• 1 tbsp (13g) neutral oil