1 very large beef tomato (or 2 large tomatoes), sliced very thinly
2 tbsp chopped coriander
20驳/戮辞锄 garlic, chopped roughly
20驳/戮辞锄 fresh root ginger, peeled and chopped roughly
1 shallot, sliced very thinly
2 tsp crushed dried chillies
2 tsp black peppercorns
pinch cayenne pepper
1 tsp whole cloves
2 tsp coriander seeds
1 tsp cumin seeds
录 tsp ground cumin
3 tbsp red wine vinegar
salt
1 tsp sea salt flakes
sunflower oil, for cooking
1 tsp turmeric
1 tbsp white wine vinegar
6 small mackerel, filleted (preferably with the fillets joined by a piece of skin)