The Fake Shack (or the Shack Burger at Home) | Serious Eats : Recipes
http://www.seriouseats.com/recipes/2009/10/the-fake-shack-shake-shack-burger-recipe.html

esp. sauce recipe

Painstaking re-creation of the Shake Shack burger.

zzz

appetizer/side

This is soooo nasty. Me wants.

A little more than a week ago, A Hamburger Today introduced the world to the Hamburger Fatty Melt, a burger with grilled cheese sandwiches as its bun. And what did the world do? It spit in our face. Here on this site, and on other sites where it was blogged about, all we heard was, "Where's the bacon?"

http://aht.seriouseats.com/archives/2008/10/the-bacon-hamburger-fatty-melt-a-bacon-burger-with-two-baconstuffed-grilled-cheese-sandwiches-as-bun.html

The bacon hamburger.