Sweet Potato Stem with Oyster Sauce
                            
                                1.
                                The amount of sweet potato stems.
                                    
                            
                            
                                2.
                                Remove the filament from both ends.
                                    
                            
                            
                                3.
                                Cut into three-finger segments.
                                    
                            
                            
                                4.
                                Shred the red and yellow peppers.
                                    
                            
                            
                                5.
                                Heat an appropriate amount of oil in the pot.
                                    
                            
                            
                                6.
                                Add the sweet potato stems and colored peppers and stir-fry for about a minute.
                                    
                            
                            
                                7.
                                Some salt and oyster sauce.
                                    
                            
                            
                                8.
                                Stir well and transfer to a plate.
                                    
                            
                            
                                9.
                                Finished product.
                                    
                            
                            
                                10.
                                Finished product.
                                    
                            
                            
                                Tips: 
                                Peel off the skin to make it crisper and tender