Need a heat wave cooldown? Try these 7 frozen desserts

Labor Day, a celebration of the achievements of American workers, also has come to mark the unofficial end of summer even as, here in Southern California, temperatures may continue to soar to triple digits well into October. Time 8 minutes Yields Serves 4 to 6 Nectarine-Cardamom Ice Cream With the vibrant flavor of sorbet and the luxurious texture of ice cream, the astringent-floral flavor of cardamom perfectly underlines that particular creamy tart note of nectarines. Time 15 minutes, plus 1 hour, 25 minutes, standing and freezing time Yields Serves 8 Devil's food chocolate ice cream Dutch-process cocoa powder, 72% dark chocolate, crème de cacao and heavy cream conspire to make this the creamiest, most chocolatey chocolate ice cream you will ever eat. Time 45 minutes, plus at least 4 hours of refrigeration Yields Makes 1 quart Chocolate sea salt cookie ice cream sandwiches The cookie uses less sugar to allow for the ice cream's sweetness. Time 1 hour plus chilling and assembly time Yields Makes about 18 ice cream sandwiches Passion Fruit Sorbet The floral tang of passion fruit is ideal in an ice-cold sorbet, the perfect treat to cool you off in an LA summer heatwave.