These would be fun to bring to your next party
http://cookiesandcups.blogspot.com/2009/05/iron-cupcake-earth-savory.html
http://cookiesandcups.blogspot.com/2009/05/iron-cupcake-earth-savory.html
Here's another idea using broccoli,
http://ediblecrafts.craftgossip.com/cake-au-brocoli-inspired-by-broccoli-cake/2011/03/22/