5-6 pieces coriander stalks, washed
1 fennel bulb, finely sliced on a mandoline, slices soaked in ice-cold water for 20 minutes, drained
1 tsp fresh root ginger, peeled, finely diced
3-4 lemon slices
1 lime, juice only
Β½ lime, juice only
35²µ/1ΒΌ΄Η³ϊ red onion, finely sliced
1 bunch rocket leaves
40²µ/1Β½΄Η³ϊ caster sugar
1 pinch cayenne pepper
1 tsp fennel seeds, soaked in water for 2 hours, drained and toasted in a dry pan
1 tbsp oil
1 tbsp olive oil
Β½ tsp whole pink peppercorns
2 pinches sea salt
1 tbsp soy sauce
Β½ tsp dark muscovado sugar
250ml/9fl oz cider vinegar, or white wine vinegar
2 whole mackerel, filleted, pin bones removed