01 - 
                In a small bowl, mix together the whipped cream cheese, chives, dill, lemon zest, salt and pepper until well combined. Set aside.
              
              
              
                02 - 
                Toast the bread slices until lightly golden brown. Let cool slightly.
              
              
              
                03 - 
                Spread a generous layer of the herb cream cheese mixture on each slice of toasted bread.
              
              
              
                04 - 
                Arrange the smoked salmon slices evenly over the cream cheese on two of the bread slices. Top with red onion slices and a handful of arugula or watercress.
              
              
              
                05 - 
                Place the remaining bread slices, cream cheese side down, on top of the fillings and press gently to adhere.
              
              
              
                06 - 
                Using a sharp serrated knife, carefully cut off the crusts from each sandwich. Cut each sandwich in half diagonally to form triangles, or into three rectangular finger sandwiches. Serve immediately on a platter.