Method
1. Start by making the dressing. Warm together the sugar, vinegar, lime juice, fish sauce and ginger until the sugar is dissolved. Set aside to cool and then stir in the two oils. 2. Flake the smoked trout and place in a large bowl. Slice the mango and add to the trout with the onions, garlic, chilli and coriander. Pour over the dressing and serve garnished with the cashews.