Portuguese Egg Tart
                            
                                1.
                                Prepare the required materials
                                    
                            
                            
                                2.
                                Stir all the ingredients except flour
                                    
                            
                            
                                3.
                                Add low-gluten flour and stir
                                    
                            
                            
                                4.
                                Sift the tart water
                                    
                            
                            
                                5.
                                Diced sweet potato
                                    
                            
                            
                                6.
                                Put the egg tart water into the tart skin, add the sweet potato pieces
                                    
                            
                            
                                7.
                                Oven 210 degrees, middle level, heating for 25 minutes
                                    
                            
                            
                                Tips: 
                                In the last five minutes, you can put it on the middle and upper layer and heat it up with caramel color.