pinch chilli flakes, plus extra if spicier taste preferred (optional)
15驳/陆辞锄 fresh coriander, stalks and leaves roughly chopped
1 large garlic clove, crushed
220g/8oz green beans, trimmed and halved
1 onion, finely chopped
400g tin black beans, drained and rinsed
350g/12oz long-grain (or basmati) rice, cooked, to serve
170g/5戮oz sachet (or jar) black bean sauce
freshly ground black pepper
4 tsp soy sauce
250g/9oz beef mince