1. Bring 2 cups stock to boil, add couscous. Cover and remove from heat. Let stand 5 minutes.
2. Heat oil in saucepan. Add tomatoes, 1/2 cup stock, curry powder and garlic. Cook about 5 minutes until tomatoes break down. Stir in chickpeas and cook another 3 minutes until hot.
3. Mix in couscous, coriander, salt and pepper, and green onions.