Matisse, Picasso, Hockney--they may not have been from the same period, but they all painted still lifes of food. And they are not alone. Andy Warhol painted soup cans, Claes Oldenburg sculpted an ice cream cone on the top of a building in Cologne, Jack Kerouac's Sal ate apple pie across the country, and Truman Capote served chicken hash at the Black and White Ball. Food has always played a role in art, but how well and what did the artists themselves...