This mineral-rich leafy green is a staple in the Jamaican diet; saute it with onions, scallions, and thyme to make a healthy vegetable side dish. If you can&#x27;t find #callaloo, Swiss chard or mustard greens make an excellent substitute. From the book &quot;Lucinda&#x27;s Authentic Jamaican Kitchen,&quot; by Lucinda Scala Quinn (Wiley).