Drop garlic through food chute with food processor on; process until minced. Add basil, cheese, salt, and pepper; process until finely minced. With food processor on, slowly pour water and oil through food chute; process until well-blended.
Combine rotini, zucchini, tomatoes, and beans in a large bowl; toss well. Add pesto mixture, tossing gently to coat.
great pesto and healthy with beans and fresh zucchini