2. Season the chicken
In a small bowl, mix garlic powder, onion powder, thyme, rosemary, salt, and pepper. Rub the chicken breasts with olive oil (or spray with cooking spray), then coat both sides with the spice mixture.
3. Prepare the vegetables
In a large bowl, toss the carrots, broccoli, bell pepper, and zucchini with a small amount of olive oil (or cooking spray). Season with a pinch of salt and pepper. Add balsamic vinegar now if using.
