Feta And Green Onion Couscous Cakes Over Tomato-Olive Salad

Ingredients:1/3 cup uncooked whole-wheat couscous1/2 cup boiling water1/4 cup (1 ounce) crumbled feta cheese3 tablespoons egg substitute2 tablespoons finely chopped green onions1/8 teaspoon freshly ground black pepper2 teaspoons olive oilCooking spray2/3 cup chopped seeded tomato2 tablespoons chopped pitted kalamata olives2 tablespoons chopped fresh parsley2 teaspoons red wine vinegar1/2 teaspoon olive oil3 cups gourmet salad greens