The history of refrigeration, ice cream, gelato

Nicola Twilley takes a cold plunge into the history of refrigeration. Lucas Sin explains how to use the freezer to improve cooking. Adrienne Borlongan jettisoned a career in nursing to explore ice cream production. For two decades, Michael Buch has watched Silver Lake change around his shop, Pazzo Gelato. At the farmer's market, Elaine Marumoto-Perez and her brother use apricots to make ice cream and donate portions of each pint to charity.

Everything you wanted to know about good cooking and good eating from LA chef, author, radio host and restaurateur Evan Kleiman.