For couscous salad with tomatoes and peppers, boil the water, pour it over the couscous and let it swell. Stir again and again with a fork.
Cut the peppers and tomatoes into bite-sized pieces and stir into the couscous. Squeeze the garlic clove and add it together with the spices, oil and balsamic vinegar. Mix well the couscous salad with tomatoes and peppers and serve.