How to make steamed buns?

The making method of steamed bread is as follows:

Ingredients: 400g pork, 600g flour, 600g wax gourd, 2 sweet peppers, 2 celery, 1/2 onion, appropriate amount of Wang Shouyi steamed stuffed bun seasoning, 1 spoon oyster sauce, 6g yeast powder, 320g warm water, 2 tablespoons soy sauce, 2 tablespoons sesame oil and 1 spoon chicken essence.

1. Cut pork into meat stuffing, and mix with onion, ginger, garlic, Wang Shouyi steamed stuffed bun seasoning, oyster sauce, soy sauce, sesame oil, chicken essence, salt, cooking wine and soybean oil to make dumpling stuffing.

2. Chop wax gourd, green pepper and celery and marinate with salt.

3, dough: 600 grams of flour into 320 grams of warm water, 6 grams of Angel yeast powder and dough.

4. Put warm water on the curtain and ferment for about 30 minutes.

5. After the wax gourd is dehydrated, put it into the meat and stir well.

6. Put the fermented dough on the panel, add a pinch of baking soda powder, knead it evenly, make it into 24 grains with uniform size, roll it into a bag, wrap it and put it in the pot 15 minutes.

7, fire, cold water on the drawer, steam after boiling 15 minutes, wait for 5 minutes after turning off the fire, and then open the pot, a pot of big buns is ready.