Bring stock, onion & zucchini to a boil, simmer 15 or 20 minutes. Add couscous. Turn off heat. Let stand 5 or 10 minutes.
Serves 2 as main dish or 4 to 6 as side dish.
Notes: this is pretty basic, use your favorite veggies, mushrooms, carrots, green beans, anything. You can't go wrong. Quick and easy.