Mandarin Duck and Yam Ball
                            
                                1.
                                Peel the steamed hemp yam, put it in a bag and roll it into a mud with a rolling pin
                                    
                            
                            
                                2.
                                Use your hands to form a small ball
                                    
                            
                            
                                3.
                                Peel the steamed hemp yam, put it in a bag and roll it into a mud with a rolling pin
                                    
                            
                            
                                4.
                                Use your hands to form a small ball
                                    
                            
                            
                                5.
                                Dilute the tomato sauce with cold water
                                    
                            
                            
                                6.
                                Pour yogurt and tomato sauce in turn
                                    
                            
                            
                                7.
                                The plate after eating is beautiful
                                    
                            
                            
                                Tips: 
                                The ketchup is diluted with cold boiling water, it will not be so sour, so you must choose the thick yogurt