"Let them knit cake"
I used someone else's how-to but I can verify it works very well!
I didn't put the birthday candle in mine, I wanted it to be a plain cake.
This uses up scraps, which is why I've put it as free.
To follow the link through properly: http://bittersweetblog.wordpress.com/2006/09/27/let-them-knit-cake/
Roma posted this project as a creation without steps
Here are some similar tutorials to help you make this one!