Slice bell peppers and onion into large wedges. Slice zucchini into thick slices. Cube chicken into 1 inch cubes. Add chicken, vegetables, Greenjoy Parmesan Balsamic Vinaigrette, minced garlic, chopped parsley and cracked black pepper to a large bowl or ziploc to marinate. Mix together to coat then cover and refrigerate. Marinate for at least 1 hour. If using wooden skewers, soak in water during this time to prevent burning during the cooking process.
Add meat and veggies to the skewers, alternating for color. Discard marinade.
Oil grill or use a non stick grilling spray. Grill over an medium heat, turning frequently to ensure even cooking on all sides. Cook approx 12 to 15 minutes or 3 to 4 minutes per side. Chicken juices should be clear.