Serves 4 as main Cooking time 15 minutes INGREDIENTS 1/3 cup balsamic vinegar 1 1/2 tbs brown sugar 4 x 150g pieces salmon, skin on 1 tbs finely grated ginger 1/2 tsp dried chilli flakes, optional 2 tbs olive oil 8 small flat mushrooms, trimmed 1 bunch rocket METHOD 1 Combine balsamic and sugar in a small saucepan. Stir over medium heat until sugar dissolves. Simmer for…