1 garlic clove, finely chopped
1 lemon, juice only, plus wedges to serve
1 onion, roughly chopped
2 tbsp roughly chopped flatleaf parsley (optional)
250g/9oz basmati rice
sea salt and freshly ground black pepper
1 tbsp medium curry powder
1 tsp rapeseed oil
500ml/18fl oz vegetable or chicken stock
200g/7oz smoked mackerel or smoked peppered mackerel, skin removed and flaked into large pieces
80g/3oz frozen peas