Undated handout photo of Charles Phan, chef and author of "Vietnamese Home Cooking", preparing a meal outdoors in Northern California

 
Undated handout photo of Charles Phan, chef and author of "Vietnamese Home Cooking", preparing a meal outdoors in Northern California
Charles Phan, chef and author of "Vietnamese Home Cooking", prepares a meal outdoors in Northern California in this undated handout photograph. REUTERS/Eric Wolfinger/Handout