Baozi is well known as steamed buns with various meat and vegetable fillings. They are a popular part of a meal, common to all regions of China. To make steamed buns with stuffing, taking pork buns as an example:
For the dough
4 cups all-purpose flour, 1 cup water (plus additional as needed), 1 tbsp dry yeast, 2 tbsp sugar, 1 tsp salt. Then mix them well and knead the dough until smooth and elastic; cover with a damp cloth and let sit for 30 mins.
For the filling
8 ounces ground pork, 1/4 cup finely chopped Chinese cabbage, 1/4 cup finely chopped scallion, 2 tbsp soy sauce, 1 tbsp sesame oil, 1 tbsp rice wine. Then combine them well and set aside.
For making pork buns
Roll the dough into a rectangular log, cut it into 16 pieces, roll them into balls and roll out for bun wrappers; spoon the filling on the wrapper and fold; for last step steam the filled buns for 15 mins.