Shanghai style vegetable bao Recipe

Ingredients
【A Dough】
50g *8pcs Or 45g *9pcs Or 35g*11pcs
250g All-purpose flour
2g=1/2tsp Baking powder
10g Lard or Odorless cooking oil
130g Water
12g=1tbsp Caster sugar
2g=1/2tsp Low Sugar Instant Yeast
【B Filling】
45g *8pcs Or 35g *10pcs Or 25g*15pcs
20g Dried shiitake mushrooms
10g Dried black fungus
35g Five Spice Pressed Tofu
500g Shanghai Bok Choy
10g=1tbsp Vegetable oil（A）
2g=1/2tsp Baking soda
20g=2tbsp Caster sugar
15g=1.5tbsp Vegetable oil（B）
10g=1tbsp 芝麻香油 Sesame oil
4.5g=（1/2tsp+1/4tsp）Salt
Dough and filling weight
Bao（M） Dough 35g + filling 20g～25g
Bao（L） Dough 45g + filling 30g～35g
Bao（XL）Dough 50g + filling 40g～45g