pinch dried red chilli flakes
½ cucumber, halved lengthways and thinly sliced
½ lime, juice only
1 tbsp roughly chopped fresh mint
6 radishes, roughly chopped
½ tsp garam masala
salt
1 tbsp butter, softened
2 tbsp Greek-style plain yoghurt
2 x 100g/3½oz smoked mackerel fillets