|  | 1 lb 2 oz ( ½ k) bittersweet chocolate | 
                      
                      
                      
                        
                          |  | ¼ cup 2 tablespoons undiluted evaporated milk | 
                      
                      
                      
                        
                          |  | 1 ½ cup heavy cream slightly beaten | 
                      
                      
                      
                        
                          |  | 1 cup confectioners sugar | 
                      
                      
                      
                        
                          |  | 1 teaspoon instant or brewed coffee | 
                      
                      
                      
                        
                          |  | 3 tablespoons mint liquor | 
                      
                      
                      
                        
                          |  | Chocolate shavings for decoration | 
                      
                      
                      
                        
                          |  | Mint leaves for decoration |