Prepare 4 molds with twenty-four 0.4 oz/11 g cavities or 3 molds with thirty-two 0.4 oz/11 g cavities with colored cocoa butter or couverture as desired.
Cast the molds with the white couverture.
In a medium pot, combine the cream and ginger and bring to a boil. Remove from the heat and cover immediately with plastic wrap. Let sit for 30 minutes to in