Method 1: 1, cut the fermented dough into pieces with a knife, and then put chopped green onion and oil in the center of the dough; 2. Then fold the dough piece in half and then fold it in half. Finally, use chopsticks to press in the middle of the folded noodles.

Method 2: 1, roll the fermented dough into large pieces, and then put chopped green onion and oil in the center of the dough; 2. Roll into strips along the long side and cut into squares with equal size; 3. Take two squares and stack them together, and grab one side with your left and right hands. 4. Turn with the right hand 180 degrees, and pinch with the left hand.