PREPARE vegetables; CUT beans in half.
COMBINE vegetables in a bowl; lightly COAT with vegetable cooking spray.
SPRINKLE vegetables with Parmesan cheese, salt, and pepper.
GRILL in a grill "wok", with cover closed, over medium-high heat; STIRRING occasionally until vegetables are tender, about 20 minutes.
Per Serving (excluding unknown items): 32 Calories; trace Fat (12.0% calories from fat); 2g Protein; 6g Carbohydrate; 2g Dietary Fiber; 1mg Cholesterol; 427mg Sodium. Exchanges: 0 Grain(Starch); 0 Lean Meat; 1 Vegetable; 0 Fat.