Affectionate Brownie
                            
                                1.
                                The butter is softened at room temperature, cut into small pieces with the dark chocolate, and put in a bowl.
                                    
                            
                            
                                2.
                                Heat it over water and keep stirring until it melts into a liquid state, and let it cool to about 30 degrees on the side.
                                    
                            
                            
                                3.
                                Preheat the oven to 180 degrees, put in fresh walnuts and roast for 5 minutes, roast the aroma, take it out and let cool, and cut into pieces.
                                    
                            
                            
                                4.
                                Knock the eggs into a bowl and lightly beat them up, without making any foam.
                                    
                            
                            
                                5.
                                Add caster sugar and mix well.
                                    
                            
                            
                                6.
                                Add a few drops of vanilla extract and mix well.
                                    
                            
                            
                                7.
                                Pour the cooled chocolate sauce into the egg mixture and mix well.
                                    
                            
                            
                                8.
                                Sift in high-gluten flour, mix well, don't over-mix.
                                    
                            
                            
                                9.
                                Pour in the chopped walnuts and mix well.
                                    
                            
                            
                                10.
                                Spread a thin layer of butter on the inner wall of the mold, pour into the chocolate batter, 6 or 7 minutes full, 180 degrees, about 30 minutes. Take it out and let it cool, then cut into small pieces after demoulding.
                                    
                            
                            
                                Tips: 
                                Baking: 180 degrees middle 30 minutes