public override Calzone MakeCalzone()
 {
     var ingredients = new List<string> { "rotten tomatoes", "greasy ham" };
     var pizza = new Calzone(ingredients, Name);
     return pizza;
 }
 public override Calzone MakeCalzone()
 {
     var ingredients = new List<string> { "tomatoes", "ham", "bacon" };
     var pizza = new Calzone(ingredients, Name);
     return pizza;
 }