Combine first 3 ingredients in a large microwave-safe bowl. Cover and microwave at HIGH 8 minutes.
Heat oil in a large nonstick skillet over medium-high heat. Add bell pepper, onion, garlic, and zucchini; sauté 8 minutes or until onion is tender. Add eggplant mixture, basil, and next 5 ingredients (basil through tomato sauce) to pan; cook 8 minutes or until vegetables are tender. Serve over couscous; sprinkle with cheese.