Tilapia with Fennel, Onion, and Olives

Found a great recipe a few weeks ago when I was first trying fennel. I've made it three times now, and it's become one of my go-to recipes.

http://www.myhealthyeatinghabits.com/2010/12/14/recipe-baked-talapia-with-fennel-and-green-olives/

The picture doesn't do it justice. I made it last night over a bed of polenta and it was awesome.