The cover of the Salvation Army's War Cry magazine from 1918 commemorates the "Doughnut Girl." Wikimedia Commons hide caption

itoggle caption Wikimedia Commons

Sixty years on, this retro dish is still a favorite with Her Majesty. Monkey Business Images/iStockPhoto.com hide caption

itoggle caption Monkey Business Images/iStockPhoto.com

Historians think poi, a sticky, nutritious food made from pounded taro root, has been eaten in the Hawaiian islands since the time of the ancient Polynesians. iStockphoto.com hide caption

itoggle caption iStockphoto.com

The Nordic Food Lab experiments with garum, a form of fish sauce familiar to the ancient Romans. courtesy Nordic Food Lab hide caption

itoggle caption courtesy Nordic Food Lab

Joe Hoagland, left, pushes a canoe through a wild rice bed as 14-year-old Chris Salazar learns how to harvest the rice. Jim Mone/AP hide caption

itoggle caption Jim Mone/AP

Dabba wallahs carry lunchboxes to offices in Indian cities. But the old tradition is changing with modern times. Aijaz Rahi/AP hide caption

itoggle caption Aijaz Rahi/AP

Republican presidential candidate Mitt Romney eats ice cream from Millie's on the run before a fundraising event earlier this month in Nantucket, Mass. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP

Ewald Mosel keeps the schwenkers swinging to ensure that the pork cooks evenly, while hungry guests look on. Deena Prichep/NPR hide caption

itoggle caption Deena Prichep/NPR

Palestinians order food at a coffee shop in the West Bank city of Ramallah on Sunday. Tara Todras-Whitehill/Tara Todras-Whitehill for NPR hide caption

itoggle caption Tara Todras-Whitehill/Tara Todras-Whitehill for NPR

Sylvia Woods moves to the music outside her restaurant in Harlem neighborhood of New York, during the restaurant's 40th anniversary celebration in 2002. Stuart Ramson/AP hide caption

itoggle caption Stuart Ramson/AP