01 - 
                        2 strips of lemon zest, each about 1x2 inches.
                      
                    
                      
                        02 - 
                        2 tablespoons butter, softened.
                      
                    
                      
                        03 - 
                        3 leeks, only the white and light green parts, cut into thin slices.
                      
                    
                      
                        04 - 
                        2 cups of fresh parsley, chopped small.
                      
                    
                      
                        05 - 
                        2 teaspoons of kosher salt, or adjust to taste.
                      
                    
                      
                        06 - 
                        4 cups of vegetable or chicken broth.
                      
                    
                      
                        07 - 
                        Black pepper as needed.
                      
                    
                      
                        08 - 
                        2 tablespoons olive oil (plus more for topping).
                      
                    
                      
                        09 - 
                        2 pounds of parsnips, peeled and diced.
                      
                    
                      
                        10 - 
                        1 tablespoon lemon juice, freshly squeezed.
                      
                    
                      
                        11 - 
                        2 cups of water.