Spoonhub, "a Github for recipes" took away the grand prize challenge at today's TechCrunch Disrupt Hackathon. It's a beautiful looking app, as this video of the team presenting it on the emulator shows.
And then here is the award announcement.
The team also has a web based client with a "recipe feed." You can also "fork" recipes. They may have won the XBox Kinect and Windows Phone prize package for best use of puns embedded into a client.
Here are eight other apps put together by hackers. These guys each won a Nokia Lumia800: