1 carrot, peeled, thinly sliced
                  
                 
                
                  
                    1 stalk celery, thinly sliced
                  
                 
                
                  
                    1 yellow onion, thinly sliced
                  
                 
                
                
                  
                    ½ cup dry marsala or white wine
                  
                 
                
                  
                    ½ bunch flat leaf parsley
                  
                 
                
                
                
                
                
                  
                    4 cups chicken or vegetable stock
                  
                 
                
                  
                    11 oz frozen peeled chestnuts
                  
                 
                
                
                
                  
                    Flamingo Estate White Truffle Olive Oil