
Pizza Hut "Hot Dog Bites Pizza." —
Fast food companies are testing the limits of what Americans will eat with increasingly bizarre combinations of so-called Franken Food.

Carl's Jr. "The Most American Thick Burger" —
Continuing with the hotdog theme, Carl's Jr. and Hardee's has produced a hotdog-hamburger hybrid that is layered with potato chips and cheese.

KFC "Double Down Dog" —
An early adopter of the Franken Food trend, KFC unleashed the "Double Down," a bacon and cheese sandwich that uses two fried chicken filets as a bun, back in 2010.

Krispy Kreme bacon hotdog donut —
A bacon hotdog donut sounds like something Homer Simpson would dream up, but it's real.

Burger King "Chicken and Waffle Sandwich" —
Another salty sweet concoction, Burger King said late last year that it was testing a slab of chicken nestled between two bun-like waffles.

Taco Bell "Biscuit Taco" —
Not to be outdone, Taco Bell has been experimenting with its own waffle-based creations.

McDonald's Kale —
Here's where things really get a little out of hand.


