Old Noodle Buns
                            
                                1.
                                Stir the old noodles with warm water
                                    
                            
                            
                                2.
                                Pour the flour into the flour and stir into a lump. Then add xylitol (sugar) and baking soda to form a ball
                                    
                            
                            
                                3.
                                Knead into a smooth dough and leave it in a warm place to ferment for 2 hours
                                    
                            
                            
                                4.
                                Take out the finished dough. Put some flour on the chopping board and knead it smoothly
                                    
                            
                            
                                5.
                                Then set it as you like and leave it for 5 minutes. Boil the water at this time. Steam on the pot for 10 minutes. After steaming, take it out every 5-10 minutes
                                    
                            
                            
                                6.
                                Ready to eat
                                    
                            
                            
                                Tips: 
                                You need to use warm water to make the dough. Yeast is viable. The noodles just started. Put some vinegar on the dough. Help fermentation