One of the easiest ways to cook, roasting draws out the vegetablesâ natural sweetness while giving their exterior a slightly crisp bite. Just sit back and let the oven work its magic while the flavor of Cauliflower, Sweet Potatoes & Halved Brussels Sprouts roasts into a savory masterpiece your taste buds will love. Pictsweet Farms 100% All Natural Vegetables. Vegetables for Roasting Cauliflower, Sweet Potatoes & Halved Brussels Sprouts, Frozen, 18 oz.