This keto grilled chicken with vegetables recipe is a healthy and delicious meal that is perfect for a summer barbecue. It's made with marinated chicken breasts and grilled vegetables, such as zucchini, bell peppers, and onions. You can serve it with a side salad or cauliflower rice for a complete meal. This recipe is also great for meal prep, as you can marinate the chicken and chop the vegetables ahead of time.