Rob Beckett's crispy duck with pancakes

Name: Rob Beckett's crispy duck with pancakes
Cook time: 3 h
Total time: 3 h
Cuisine: Asian, Chinese
Ingredients: 5 cm piece of ginger; 1 x 1.2 kg free-range duck; 3 teaspoons Chinese five-spice; olive oil; 2 clementines; 1 carrot; 4 spring onions; ½ a cucumber; 2 fresh red chillies; 4 radishes; ½ a bunch of fresh mint (15g); ½ a bunch of fresh coriander (15g); 1 punnet of cress; 1 sprig of fresh rosemary optional; 250 ml hoisin sauce; 250 g strong white bread flour plus extra for dusting; sesame oil