"Sweet potatoes and carrots are both very strong sources of beta-carotene," says Brooklyn-based recipe developer Ali Slagle. "They're also starchy, so it's nice to balance them out with spicy and acidic ingredients." Here, the root vegetables are roasted at a high temperature and tossed with fresh cranberries and a zingy chili-lime dressing. If you prefer lemons to limes, sub in lemon zest and juice instead.