01 - 
                In a large mixing bowl, whip the heavy cream with a hand or stand mixer until stiff peaks form.
              
              
              
                02 - 
                In a separate bowl, thoroughly mix the whole milk, sweetened condensed milk, and reduced cherry cola until fully incorporated.
              
              
              
                03 - 
                Gently fold the whipped cream into the cola mixture, maintaining as much volume as possible for a light texture.
              
              
              
                04 - 
                Stir in chopped cherries and half of the chocolate shavings, if using.
              
              
              
                05 - 
                Pour the mixture into a freezer-safe container and sprinkle the remaining chocolate shavings on top.
              
              
              
                06 - 
                Freeze for 4 to 6 hours until the mixture is firm and scoopable.
              
              
              
                07 - 
                Scoop into bowls or cones and top with maraschino cherries before serving.