Chef and Plenty advisory board member Nancy Silverton prepares a salad during a demonstration in San Francisco, California, U.S., June 11, 2019. Picture taken June 11, 2019. REUTERS/Jane Lanhee Lee 

Plenty CEO and co-founder Matt Barnard tastes a salad prepared by chef and Plenty advisory board member Nancy Silverton during a demonstration in San Francisco, California, U.S., June 11, 2019. Picture taken June 11, 2019. REUTERS/Jane Lanhee Lee 

Pastry chef Nancy Silverton works at the La Brea Bakery Hollywood, California, October 17, 2000. Silverton and husband, Marc Peel, who is also a chef, run the Campanile restaurant and its adjoining La Brea Bakery which are nationally famous. Silverton has just published a new cook book "Nancy Silverton's Pastries from the La Brea Bakery." 

Pastry chef Nancy Silverton displays some of her baked goods, featured in her new cook book "Nancy Silverton's Pastries from the La Brea Bakery" at the La Brea Bakery in Hollywood California on October 17, 2000. Silverton and husband, Marc Peel, who is also a chef, run the Campanile restaurant and its adjoining La Brea Bakery which are nationally famous. 

Pastry chef Nancy Silverton works at the La Brea Bakery Hollywood, California, October 17, 2000. Silverton and husband, Marc Peel, who is also a chef, run the Campanile restaurant and its adjoining La Brea Bakery which are nationally famous. Silverton has just published a new cook book "Nancy Silverton's Pastries from the La Brea Bakery.

FSP/JP/CM 

Pastry chef Nancy Silverton displays some of her baked goods, featured in her new cook book "Nancy Silverton's Pastries from the La Brea Bakery" at the La Brea Bakery in Hollywood California on October 17, 2000. Silverton and husband, Marc Peel, who is also a chef, run the Campanile restaurant and its adjoining La Brea Bakery which are nationally famous.

FSP/CM