1. Prepare fresh beef filling, minced onion and ginger, salt, sesame oil, white Pepper, soy sauce and seasoning water (boil pepper, aniseed, grass and fruit in hot water and let cool and set aside)

2.Add green onion, ginger, white pepper, salt, soy sauce and sesame oil to the beef filling and mix well, then add the seasoning water in batches, stir clockwise with chopsticks and set aside

3.Add 3 grams of yeast, 3 grams of sugar, and 1 gram of baking powder to the flour, mix with warm water around 40 degrees Celsius to form a dough, cover with plastic wrap and let rise at room temperature p>

4. When the noodles are ready the next day, poke the holes with your fingers and fill them with alkaline water to neutralize them.Knead the sour flavor into the dough, then pour in a little dry flour and knead into a ball

5.Then put Insert the dough into the board, pull out the small noodles and squeeze them out

6.Using a rolling pin to roll into leather

7.Puffed buns with enough beef filling

8.Shape into buns, just like this without leaking the filling

9.Put cold water in the pot, place the buns on the steamer at a distance apart, cover the pot and turn on low heat first, let the buns cook for a second time in the steamer, and see the low heat steam up Prove that the pot is boiling, turn to high heat and steam for 15 minutes before it is cooked (the time is 15 minutes from the high heat)

10.When cooked, open the lid and take out the white fat beef buns

11. Start eating, the skin is thin and soft, and the beef filling is delicious

12.Finished decoration, Big beef stuffed buns.