Roasting the vegetables adds a depth of flavor to this veggie pasta primavera recipe. Toss your favorite vegetables, such as broccoli, carrots, and cauliflower, with olive oil, salt, and pepper. Roast them in the oven until they are tender and slightly caramelized. Cook your pasta separately and then combine it with the roasted vegetables. The result is a hearty and flavorful roasted veggie pasta primavera that is sure to satisfy your taste buds.