Couscous with Zucchini, Green Beans, Carrots and Potatoes. This couscous dish is full of nutritious vegetables and is ideal for a hearty lunch or dinner. The combination of zucchini, green beans, carrots and potatoes adds a lovely texture and flavor to the dish. The spices give the dish a touch of warmth and depth, making it even more delicious. It takes about 45 minutes to prepare and cook this recipe for four people.