1 large orange, yellow or red bell pepper, cut into wedges
1 large red onion, cut into wedges
Prepare Wish-Bone® Robusto Italian Dressing & Seasoning Mix according to package directions. Reserve 3/4 cup prepared Dressing & Seasoning Mix; refrigerate remaining for another use.
Pour 1/2 cup reserved prepared Dressing & Seasoning Mix over chicken and vegetables in shallow nonaluminum baking dish or large resealable plastic bag. Cover, or close bag, and marinate in refrigerator at least 30 minutes.
Preheat oven to 450°. Remove chicken and vegetables from marinade, discarding marinade. Arrange chicken and vegetables in aluminum-foil-lined roasting pan. Roast, turning once, 30 minutes or until chicken is thoroughly cooked and vegetables are tender.
Arrange chicken and vegetables on serving platter and drizzle with remaining 1/4 cup reserved pepared Dressing & Seasoning Mix.