01 - 
                        1 cup raw pistachios, unsalted, shelled, skin-removed
                      
                    
                      
                        02 - 
                        1/2 cup powdered sugar
                      
                    
                      
                        03 - 
                        1/3 cup white chocolate (optional, for smoother texture)
                      
                    
                      
                        04 - 
                        1/4 cup whole milk or dairy-free alternative
                      
                    
                      
                        05 - 
                        2 tablespoons butter
                      
                    
                      
                        06 - 
                        1 teaspoon vanilla extract (optional)