Seaweed Pork Ribs Soup
                            
                                1.
                                The kelp knots bought in the supermarket are soaked and rinsed, then put in a saucepan and boiled.
                                    
                            
                            
                                2.
                                You can add some ginger slices or ginger cubes according to personal preference.
                                    
                            
                            
                                3.
                                When cooking the kelp, blanch the ribs in a pot of boiling water.
                                    
                            
                            
                                4.
                                After boiling, add the ribs, add a few drops of vinegar, and continue to cook for about 45 minutes. Add the right amount of salt, and it's ready to be eaten out of the pot.