From left: coconut shaved ice with candied basmati puffs at Copra in San Francisco; a parfait made with orange granita, ice cream and crème fraîche whipped cream at Vern’s in Charleston, S.C.

Shaved ice machine Cooling off on a hot day is one of life’s simple pleasures, and few products are more satisfying in the heat than a nice cup of shaved ice. It’s instantly cooling and comes ...