2 garlic cloves, finely chopped
12 greengages, roughly chopped
1 onion, finely chopped
4 tomatoes, peeled, seeds removed and chopped
½ tsp ground cardamom
1 tsp ground ginger
1 tsp mustard seeds
4 tbsp olive oil
salt
2 star anise
50²µ/1¾´Ç³ú sugar
½ tsp ground turmeric
vegetable oil, for frying
100ml/3½fl oz white wine vinegar
4 mackerel fillets