Roasted vegetable stew is a delicious and easy-to-make dish that is perfect for using up leftover vegetables. It involves roasting a variety of vegetables like sweet potatoes, Brussels sprouts, cauliflower, and bell peppers in the oven until they are caramelized and tender. The roasted vegetables are then simmered in a flavorful broth made with vegetable stock, herbs, and spices. This stew is a great way to enjoy the natural flavors of the vegetables.