This roasted vegetable recipe is a simple and delicious way to enjoy your favorite vegetables. To make this recipe, you will need a variety of vegetables such as sweet potatoes, carrots, onions, and bell peppers. Cut the vegetables into bite-sized pieces and toss them in olive oil, salt, and pepper. Roast in the oven at 400°F for 20-25 minutes, or until the vegetables are tender and caramelized. Serve hot as a side dish or as a main course with a side of protein.