Marzipan, Germany

 

Don't be fooled by cheap imitations, which use soy paste or almond essence. The real stuff, which uses nothing but ground almonds with sugar, is so good, you'll eat a whole bar of it, feel sick, and still find yourself toying with the wrapper on bar number two.

Ketchup, United States

 

If Malcolm Gladwell says it's a perfect food, then it's a perfect food. Let's face it, anything that can convince two-year-olds to eat their carrots rather than spitting them onto the floor is worthy of not just a "delicious" title, but a "miracle of persuasion" title, too.