Sandwiches

Gyros have long been a staple at Greek restaurants and take-out stands. Intrepid New York Times reporter David Segal tracked down the origins of the U.S. version of the Greek treat in a factory in Chicago, and he joins The Takeaway with his report.

Anchor Marco Werman speaks with British food blogger Simon Majumdar, who recently asked his readers to describe the world’s best sandwich. He describes one favorite entry — a mackerel sandwich from Istanbul, Turkey — and Istanbul is the answer to the Geo Quiz.

Our daily geography puzzler.

Tim Walker, founder of the First Sixth Annual Grilled Cheese Invitational, and Evan George, one of the winners of this year’s competition, explain what it takes to participate in a grilled cheese showdown.