1. First put the stuffing in the middle of the dough, hold the dough with your left hand and knead the dough with your right hand to form the first fold.
2. After pinching one place, push the back forward with the thumb and forefinger of the left hand, and then pinch the dough pieces sent by the two fingers of the left hand with the right hand to fold forward to form a second fold.
3. Push the dough forward in turn with your left hand, and then turn over the buns. You can press the meat stuffing into the side pocket with your left thumb to leave enough room for kneading.
4. Knead the last fold with the first fold, and pay attention to the fact that the right thumb is stuck in the whirlpool in the middle of the steamed stuffed bun.