Cook ravioli to desired doneness as directed on package.
Meanwhile, spray large nonstick skillet with nonstick cooking spray. Heat over medium-high heat until hot. Add zucchini, onions, bell pepper, garlic powder, basil, salt and pepper. Cook and stir 3 to 5 minutes or until vegetables are crisp-tender.
Drain ravioli; rinse with hot water. Add ravioli, water and bouillon to vegetable mixture; mix gently. Cook over medium-low heat for an additional 3 to 5 minutes or until thoroughly heated, stirring occasionally. Add cheese; toss gently to combine.