Rustic Ratatouille

Name: Rustic Ratatouille
Ingredients: 4 small zucchini (about 1 pound), cut into 1-inch pieces; 1 medium eggplant (about 1 pound), cut into 1-inch pieces; 3 medium red bell peppers, cut into 1-inch pieces; 3 medium onions, sliced; 1 tablespoon chopped fresh thyme; 1 tablespoon chopped fresh rosemary; 1 teaspoon salt, divided; 1/2 teaspoon freshly ground black pepper; 1 tablespoon olive oil; Vegetable oil cooking spray; 2 cans (14 ounces each) chickpeas, rinsed and drained; 8 plum tomatoes (about 1 pound), seeded and cut into 1-inch pieces; 1 tablespoon chopped garlic; 1 tablespoon tomato paste; 2 1/2 teaspoons sherry wine vinegar or balsamic vinegar; 3 tablespoons chopped fresh basil