After resting on its laurels for a few hundred years, sandwiches finally have their game-changing innovation: meatbread. Behold the Double-Down, a KFC test-sammy on sale in the USA consisting of bacon, cheese and the disturbingly nebulous "Colonel's sauce," nestled between two pieces of fried chicken.
Luckily America doesn't already have an obesity problem or it would really be in trouble... Oh.
Check out the video below, and launch the gallery to see the world's fattiest foods.







































