Here's a 20 patty burger from in-n-out -- there's also 100 patty but it's even more absurd!
Here's In-N-Out Burger's "secret menu" - with reviews --> http://www.badmouth.net/in-n-outs-secret-menu/
This post is making me salivate. Yum... 5 guys just opened a location here on Long Island. I'll have to try one. Suggestions??? onions,mushroom,pickels,chilis... love em all!!