|  | 1 ½ teaspoon baking powder | 
                      
                      
                      
                        
                          |  | 1 large egg yolk (or 2 medium size) | 
                      
                      
                      
                        
                          |  | 3 ½ oz (100 g) dark chocolate, melted | 
                      
                      
                        
                          |  | 1 ½ cup whipped cream (as for chantilly) | 
                      
                      
                      
                        
                          |  | 1 - 1 ½ cup of manjarblanco | 
                      
                      
                      
                        
                          |  | 2 large cherimoyas or 3 medium size, peeled, pitted and cut in medium size pieces | 
                      
                      
                      
                        
                          |  | 1 tablespoon unflavoured gelatin | 
                      
                      
                      
                        
                          |  | Shredded or melted chocolate for decoration |