Kreplach, a special Jewish holiday dish that can be made essentially out of leftovers. Courtesy of Caren Alpert hide caption

itoggle caption Courtesy of Caren Alpert

A Flock of Dumpling Ducklings: What's inside? Roasted Beijing duck, of course. Anthony Kuhn/NPR hide caption

itoggle caption Anthony Kuhn/NPR

Even in Sandro Botticelli's painting The Birth of Venus, the goddess's belly resembles a plump, firm tortellino. Wikimedia.org hide caption

itoggle caption Wikimedia.org

A potsticker prepared by Chef Scott Drewno at the Washington, D.C., restaurant The Source. Heather Rousseau for NPR hide caption

itoggle caption Heather Rousseau for NPR

The finished dumplings, properly fried to a light crisp. The half-moon shape was meant to resemble ancient Chinese currency. Eating the dumplings was believed to bring fortune and prosperity. Daniel M.N. Turner/NPR hide caption

itoggle caption Daniel M.N. Turner/NPR