Soak the cous-cous in about double its volume of boiling water, until all the water is absorbed.
2
Peel and chop the tomatoes and onions, and drain the sweetcorn and beans (you will probably want to rinse the latter).
3
Mix everything together, season and dress with lemon juice, and possibly ?tablespoon of olive oil for the flavour - it makes so much salad that it really doesn"t up the % cff too much