1Heat the oil in a non-stick wok and stir-fry the onion, ginger, garlic and chilli for 2 minutes on medium heat.
2Stir in the curry powder, then add the prawns and stir-fry until just done. Transfer prawns to a bowl.
3Add the pearl couscous and mushrooms to the wok and stir well for two minutes on medium heat. Add the boiling stock and bring to a simmer. Stir well and cook covered for about eight minutes.
4 Stir in the spinach leaves and cook for an extra minute. Stir in lime juice and prawns, sprinkle the coriander leaves on top and serve.