1Spray 5- to 6-quart slow cooker with cooking spray. In slow cooker, mix squash, tomatoes, bell pepper, onion, garlic, parsley, salt, pepper and broth.
2Cover; cook on Low heat setting 6 to 8 hours (or on High heat setting 3 to 4 hours).
3Stir in zucchini and eggplant. If cooking on Low, increase heat setting to High. Cover; cook about 30 minutes longer or until zucchini and eggplant are tender. Serve with cheese and basil.