This recipe is based on the famous Key lime pie from Joe's Stone Crab restaurant in Miami Beach. If you can't find Key limes, use regular fresh lime juice. The bars will keep, wrapped in plastic, in the refrigerator for up to three days.
"A classic Key lime pie gets upgraded.with coconut milk in the filling [and] the dessert is gilded with toasted shredded coconut sprinkled on top of a billowy whipped cream topping -- Coconut-Key Lime Pie Recipe". Yes, that is right: gilded and billowy.