I taste-tested five hot-cocoa mixes from Ghirardelli, Hershey's, Land O'Lakes, Publix, and Swiss Miss and compared the results.Abigail Abesamis Demarest To find the best store-bought hot cocoa, I tried prepackaged powders from five different brands. I bought standard mixes from Ghirardelli, Hershey's, Land O'Lakes, Publix, and Swiss Miss. Ghirardelli's hot cocoa was the best — it was rich and chocolaty. There are a lot of hot-cocoa mixes at the grocery store, but which is the best?To find out, I reviewed standard mixes from Ghirardelli, Hershey's, Land O'Lakes, Publix, and Swiss Miss.