Juicy Grilled Chicken 4 skinless, boneless chicken breast halves 1 cup fat free Italian-style dressing 1 green bell pepper 1 red bell pepper 1 zucchini 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.