Place the couscous in a large bowl and pour the boiling water over it and stir. Cover the bowl and leave to stand for about 5 minutes until all the water has been absorbed.
Meanwhile, whilst the couscous is absorbing all the water, gently heat 1 tablespoon of the olive oil in a frying pan. Add the cooked chicken, paprika and ground coriander and stir around the pan for a couple of minutes until the chicken is well coated with the spices.
When the couscous is ready fluff it up with a fork to separate all the grains and scrape all of the contents of the chicken pan into the bowl with the couscous.
Stir the tomatoes, olives, basil, remaining tablespoon olive oil and lemon juice into the couscous mixture. Season to taste with the salt and pepper and serve.
Notes
* Here I just buy frozen pre-cooked chicken breast strips and dice them.