Place washed chicken breasts in large sealable bag. Add 1 cup fat-free italian dressing and close. Let marinate for 5 to 10 minutes.
Cut up peppers into big chunks, and zucchini into big slices. Put into another sealable bag. Coat with leftover dressing.
Grill chicken and veggies over medium heat.
Calories 247 Protein 25.6g Total Fat 3g Sodium 682mg Cholesterol 67mg Carbohydrates 27.8g Fiber 3.6g