Twice-cooked sticky duck

Name: Twice-cooked sticky duck
Prep time: 20 min
Cook time: 2 h
Total time: 2 h 20 min
Cuisine: Thai
Ingredients: 1 strip pared orange zest; 6 duck legs; 6 garlic cloves , smashed; thumb-sized piece ginger , sliced; 1 ½ tsp Chinese five-spice powder; 100ml dark soy sauce; 1 tbsp oyster sauce; 1 tbsp golden caster sugar; 50ml Shaohsing rice wine; 1 tbsp honey; ½ tsp Chinese five-spice powder; halved and sliced cucumber; coriander leaves; sliced chilli; cooked rice