In a saucepan, bring the orange juice, water and olive oil to a boil. Season with salt and pepper. Remove from the heat and add the couscous. Stir, cover and let stand for 5 minutes. Fluff with a fork. Let cool. Cover and refrigerate until completely chilled.
In a bowl, combine all the ingredients. Season with salt and pepper. Set aside.
In a large bowl, combine the couscous, vinaigrette and the remaining ingredients. Adjust the seasoning.
You can prepare this salad in advance: it will keep for 3 to 4 days in the refrigerator.
Recipes with the "Healthy Pick" stamp have been evaluated by a registered dietitian member of the Ordre professionnel des diététistes du Québec.